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Electrical System:Software Recall
warning light; recall notice; repeated dealer repair
Safety2019
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2019-2025 G-Class has 19 recalls: fuel pump stall, brake software, door latches. Know your California lemon law rights. Free case review.
You paid six figures—often approaching $200,000—for a Mercedes-Benz G-Class. The badge promises a hand-assembled off-road icon with a six-decade lineage, V8 power, and the kind of build quality that makes lesser SUVs feel disposable. Instead, a growing number of W463A owners have spent time at the dealer chasing fuel pump replacements, brake system software updates, door latch recalls, and infotainment screens that refuse to wake up. The 2019-2026 G-Class (W463A—the second generation of the W463 body) attracted nineteen separate NHTSA recall campaigns in its first seven years of production. Those campaigns touch nearly every major system: brakes (three campaigns), fuel delivery (four campaigns, including two covering the M177's low-pressure pump failure that can stall the engine at highway speed), seat fasteners and belts (three campaigns), door latches (three campaigns), lighting (two), and electronic stability control. Off the recall list, owners report 9G-Tronic transmission harsh shifts that require repeated TCM software flashes, MBUX head units that freeze or reboot loop mid-drive, and front brake pads on the G63 AMG that wear out before 15,000 miles under ordinary urban use. The G-Class is genuinely beloved—its capability and presence are unmatched—but the W463A's early production years in particular have accumulated a defect record that California's Song-Beverly Consumer Warranty Act was designed to address. If your G-Class has been back to the dealer repeatedly for the same complaint, your repair orders may already tell a lemon-law story.
The issues owners report most, ranked by severity — each one verified against a cited NHTSA source.
warning light; recall notice; repeated dealer repair
driver seat cushion loose; seat fastener recall; seat may not stay secured
warning light; recall notice; repeated dealer repair
brake pedal problem; reduced braking; unexpected braking; brake warning light
warning light; recall notice; repeated dealer repair
tail light out; exterior light warning; reduced rear visibility
A settled Margarian Law case on this exact model, published with the actual settlement math.
Open any defect for the symptoms and why it matters for a California lemon-law claim. Each is tied to a cited NHTSA source.
warning light; recall notice; repeated dealer repair
NHTSA recall 18V761 targets a software defect that can cause unexpected vehicle behavior during normal operation on 2019 G-Class models. Under Song-Beverly, an NHTSA-backed recall that requires a dealer visit and software flash counts as a warranty repair attempt. If the software defect recurs after the recall remedy, each subsequent dealer visit for the same symptom strengthens the lemon-law repair-attempt count. Retain all recall completion documentation.
MBUSA will notify owners, and dealers will update the CPC control unit software, free of charge. The recall began April 12, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019030012.
driver seat cushion loose; seat fastener recall; seat may not stay secured
NHTSA recall 19V788 covers 2019 G-Class seat belt buckle fastener failure, which can prevent the seat belt from latching and leave an occupant unrestrained in a crash. This is a direct occupant-protection defect. Under Song-Beverly, a safety-critical recall that requires multiple dealer visits—whether because parts were on backorder or the fix failed to hold—can satisfy the 'reasonable number of attempts' threshold more quickly than a comfort defect. Document all visit dates and whether parts were available.
MBUSA will notify owners, and dealers will inspect the front seat belt buckles, replacing them as necessary, free of charge. The recall began March 13, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020020017.
warning light; recall notice; repeated dealer repair
NHTSA recall 19V820 addresses front wiring harness routing on 2019 G550 and G63 AMG that can chafe and cause an electrical short, potentially resulting in a fire. The fire-risk potential elevates this defect, but because the likelihood of fire is conditional on chafing progressing, it is classified Safety rather than Catastrophic at the issue level. Owners who noticed burning smell, smoke, or warning lights before receiving the recall notice have stronger Song-Beverly claims because they experienced the defect symptom.
MBUSA will notify owners, and dealers will inspect, modify, or replace the front door wiring harness in the event damage has occurred, free of charge. The recall began March 20, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020020021.
brake pedal problem; reduced braking; unexpected braking; brake warning light
NHTSA recall 20V090 covers a brake booster software defect on 2019-2020 G-Class that can cause reduced brake assist or unintended braking events. Loss of full braking capacity at highway speed is a clear safety impairment. If a 2019-2020 G-Class owner experienced a hard-pedal brake event or unexpected braking before the recall was remedied, those incidents should be documented for Song-Beverly purposes. The software remedy must be verified on the repair order—'update performed' alone is insufficient.
MBUSA will notify owners, and dealers will inspect the differential locking modules and replace them as necessary, free of charge. The recall began August 21, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020070005.
warning light; recall notice; repeated dealer repair
NHTSA recall 20V247 addresses embossed door lock actuators on 2019-2020 G-Class that may lock or unlock erratically, including a risk of the door opening while moving. An unlatched door at speed is a safety hazard. For Song-Beverly, the key question is whether the owner experienced the door-opening symptom; if so, document the occurrence date, mileage, and any dealer visit before the recall was completed.
MBUSA will notify owners, and dealers will install a label on the rear doors with the correct operating direction, free of charge. The recall began June 26, 2020. Owners may contact MBUSA customer service at 1-877-496-3691. MBUSA's number for this recall is 2020050034.
tail light out; exterior light warning; reduced rear visibility
NHTSA recall 21V058 covers a lighting module software defect on 2019-2020 G-Class that can cause rear lighting to fail without warning, creating a rear-collision hazard. Under Song-Beverly, a lighting safety recall that requires a software flash or module replacement is a covered warranty repair. If the lighting failure recurred after the recall remedy, document each subsequent dealer visit for the same symptom.
MBUSA will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. The recall began March 12, 2021. Owners may contact MBUSA customer service at 1-877-762-8267. MBUSA's number for this recall is 2021020025.
driver seat cushion loose; seat fastener recall; seat may not stay secured
NHTSA recall 21V230 covers 2021 G-Class seat belt anchor or seat fastener failure, creating occupant injury risk in a collision. This is a distinct campaign from 19V788 covering 2019 model year. For Song-Beverly, the relevant question is whether the seat defect was repaired within a reasonable number of dealer attempts; parts backlogs common with 2021 MY should be documented as out-of-service days.
MBUSA will notify owners, and dealers will replace the seat position switches, free of charge. Owner letters were mailed May 21, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021040016.
warning light; recall notice; repeated dealer repair
NHTSA recall 21V353 addresses door latch failure on 2019-2021 G550 and G63 AMG that can cause doors to open unexpectedly while driving. Door-opening at speed is a direct occupant ejection risk. Under Song-Beverly, safety-critical structural defects like door latches are given significant weight; an owner who experienced a door-open event prior to repair has strong eligibility grounds. Preserve photos and dashcam footage.
Dealers will replace the rear door latches, free of charge. Owner notification letters were mailed July 9, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. Note: Vehicles repaired prior to this recall must return to dealers to have the remedy performed. MBUSA's numbers for this rec
driver seat cushion loose; seat fastener recall; seat may not stay secured
NHTSA recall 21V483 is a third seat belt / seat fastener campaign affecting 2021 G-Class (distinct from 19V788 and 21V230). Multiple seat-related recalls on the same vehicle within a short period can themselves constitute evidence of a systemic design concern. Under Song-Beverly, if an owner's 2021 G-Class was subject to two or more seat recalls requiring dealer remediation, those visits may collectively satisfy the repair-attempt threshold even if each individual recall was completed.
Dealers will inspect, and replace as necessary, the rear seat belt assemblies, free of charge. Owners notified of the voluntary recall campaign by an interim letter on August 13, 2021. A final letter was mailed on September 24, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.
airbag warning light; passenger airbag may not deploy; SRS warning; occupant detection fault
NHTSA recall 21V527 covers occupant detection system (ODS) malfunction on 2020 G-Class that may prevent the passenger airbag from deploying in a crash. Airbag non-deployment is a direct safety hazard and is expressly recognized as a safety defect under NHTSA standards. California Song-Beverly treats safety-critical airbag defects with the same seriousness as braking or steering failures. If the recall remedy required multiple dealer visits, document each visit and confirm airbag system self-test passes post-repair.
Dealers will inspect and replace as necessary, the side impact crash sensors, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021070032/33.
fuel smell; fuel leak; reduced fuel range; fuel filler or fuel tank recall
NHTSA recall 21V564 addresses a fuel filler or fuel tank defect on 2019 G-Class with potential for fuel leak. A fuel leak presents fire and explosion risk; under Song-Beverly this is a safety defect. The recall completion document should identify the specific fuel system component replaced. If the owner experienced a fuel smell, visible leak, or fuel warning before receiving the recall notice, those incidents are evidence of the defect's manifestation and strengthen the Song-Beverly claim.
Dealers will replace the fuel tank, free of charge. Owner notification letters were mailed September 3, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.
warning light; recall notice; repeated dealer repair
NHTSA recall 21V961 covers a fuel rail or high-pressure fuel injection system defect on 2019 G-Class that can cause fuel leakage and fire risk. This is a separate fuel system campaign from 21V564 and from the LPFP recalls (23V445, 23V880). Owners with a 2019 G-Class subject to multiple fuel system recalls should cross-reference all campaigns; cumulative repair visits across multiple fuel campaigns can satisfy Song-Beverly's reasonable-number-of-attempts test.
Dealers will replace the fuel rail and fuel injectors, free of charge. Owner notification letters were mailed April 22, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for the recall is 2022030003.
tail light out; exterior light warning; reduced rear visibility
NHTSA recall 22V365 is a separate lighting module campaign for 2019-2021 G-Class, distinct from 21V058. Owners whose G-Class is subject to both lighting recalls (21V058 and 22V365) have experienced two warranty repair events for the same system. Under Song-Beverly, recurring lighting failures across multiple recall campaigns can constitute evidence of an ongoing systemic defect. Document all lighting-related dealer visits, including any symptoms noticed between recall notices.
The communication module software will be updated through an Over-the-Air (OTA) update or by a dealer, free of charge. Owner notification letters were mailed July 8, 2022. Owner notification letters will be mailed in phases, on July 8, 2022, May 17, 2024, July 29, 2024, and September 27, 2024. Owner
brake pedal problem; reduced braking; unexpected braking; brake warning light
NHTSA recall 23V097 is a second brake system campaign for 2019-2021 G-Class, addressing a brake booster or brake assist software defect distinct from 20V090. Owners whose G-Class is subject to both brake recalls have experienced two brake system warranty repairs. If brake hard-pedal, reduced assist, or unexpected braking symptoms recurred after the first recall remedy, each occurrence is a separate Song-Beverly repair attempt. Brake system defects are given priority under California lemon law given their direct crash-risk potential.
Dealers will inspect and either install a protective sleeve or replace the front axle wiring harness, as necessary, free of charge. Owner notification letters were mailed April 10, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2023030005.
engine stalls while driving; vehicle will not start; loss of power; fuel pump recall
NHTSA recall 23V445 covers M177 low-pressure fuel pump failure on 2021-2022 G-Class that can cause engine stall at highway speed—a loss-of-propulsion safety hazard. MBUSA was aware of LPFP failures via pre-recall TSB (LI47.10-P-062932) before this campaign was issued, which is relevant to Song-Beverly's 'knew or should have known' analysis. Owners who experienced a stall event before the recall remedy—or who required a second LPFP replacement after the first—have strong eligibility grounds.
Dealers will replace the fuel pump, free of charge. Owner notification letters were mailed on June 14, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2023070012.
engine stalls while driving; vehicle will not start; loss of power; fuel pump recall
NHTSA recall 23V880 is the second LPFP campaign for G-Class, covering 2022-2023 model years. The existence of two LPFP recall campaigns (23V445 and 23V880) for consecutive model years confirms MBUSA's knowledge of a persistent M177 fuel delivery defect. For Song-Beverly, owners of 2022-2023 G-Class who experienced a stall or no-start before the recall remedy, or who had a prior LPFP replacement under TSB coverage that did not prevent failure, can argue the manufacturer had actual notice of the defect and failed to resolve it within a reasonable time.
Dealers will replace the fuel pump, free of charge. Owner notification letters were mailed on June 28, 2024. Owner notification letters will be mailed in phases, on February 23, 2024, April 19, 2024, June 28, 2024, August 9, 2024, October 1, 2024, and December 2, 2024. Owners may contact MBUSA custo
warning light; recall notice; repeated dealer repair
NHTSA recall 24V170 addresses a defroster or HVAC system defect on 2022-2023 AMG G 63 and 2023 G 550 that can impair windshield defogging—a visibility safety issue. Visibility impairment in cold or rainy conditions constitutes a safety defect under Song-Beverly. If the recall remedy required parts ordering (a common occurrence with low-volume G-Class production), the out-of-service days waiting for parts count toward the 30-day Song-Beverly cumulative threshold.
Dealers will replace the air-conditioning refrigerant, free of charge. Owner notification letters were mailed April 12, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2024030016.
warning light; recall notice; repeated dealer repair
NHTSA recall 24V659 is the third door latch/lock campaign affecting the G-Class W463A (alongside 20V247 and 21V353), covering 2019-2023 G 550 and 2019-2022 G63 AMG. Three door latch recalls across the same vehicle platform over five years demonstrates a systemic design concern. Owners subject to two or more of these latch recalls may argue that the cumulative repair history—even across separately-named campaigns—reflects a single ongoing defect and satisfies Song-Beverly's reasonable-number-of-attempts test.
Dealers will replace the right-side rear door latches, free of charge. Owner notification letters were mailed October 11, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. Vehicles in this recall that were previously repaired under recall 21V-353 will need to have the new remedy com
warning light; recall notice; repeated dealer repair
NHTSA recall 25V254 addresses an electronic stability control (ESC) software defect on 2025 G 550 and G 63 that can impair vehicle stability in emergency maneuvers—a crash-risk safety hazard. For Song-Beverly, an ESC defect on a recently-purchased 2025 model year vehicle requiring an immediate dealer software flash may itself constitute a substantial impairment of use or safety. If the ESC warning light recurred after the software update, each subsequent dealer visit for the same code is a separate repair attempt.
Dealers will update the ESP control unit software, free of charge. Owner notification letters are expected to be mailed June 17, 2025. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2025050002.
harsh jerk on 1-2 or 2-3 downshift; transmission shudder at low speed; clunk when decelerating; hesitation when accelerating from stop; transmission warning light; rough gear change; feels like transmission slipping
Under Song-Beverly, each dealer visit for the same transmission symptom—even if the repair order says 'TCM update performed'—counts as a repair attempt if the harsh shift returns. G-Class owners who have had three or more TCM software updates without resolution, or who have experienced the symptom within the manufacturer warranty period, should preserve all repair orders with the symptom description. Transmission drivability failures on a six-figure luxury SUV are precisely the defect category Song-Beverly targets.
XENTRY TCM software update (calibration recalibration); if harsh shift persists after update, valve body inspection and replacement. Multiple dealer visits are common before resolution.
MBUX screen goes black at startup; infotainment freezes mid-drive; navigation unresponsive; backup camera fails to display; Bluetooth audio drops; head unit in reboot loop; MBUX software crash
MBUX failures on a vehicle with a six-figure MSRP meet California's Song-Beverly 'substantial impairment' standard when the backup camera is non-functional (a federal FMVSS 111 safety requirement) or when the vehicle spends cumulative days out of service for software flashes. Owners who have had two or more failed MBUX software updates, or one head-unit replacement that did not resolve the issue, should document each visit separately.
Full MBUX software flash via XENTRY (not OTA). If freeze recurs within 30 days of flash, head unit assembly replacement under warranty.
brake pads worn at under 15,000 miles; brake squeal cold start; brake dust on wheels; brake warning light for pad wear; AMG ceramic brake squeal in cold or damp conditions; vibration when braking at highway speed; brake rotor scoring
California Song-Beverly covers defects that the manufacturer knew or should have known about at delivery. If MBUSA classified premature brake wear as a 'normal wear item' after multiple dealer complaints, but the wear rate is demonstrably higher than industry norms for the vehicle class, this can support a warranty-breach argument. Owners should document repair orders showing pad replacement mileage and date; a pattern of three or more brake service visits within the warranty period strengthens eligibility.
Replacement of front brake pads and resurfacing or replacement of rotors. Dealers typically classify as wear item outside warranty unless wear rate is documented as abnormal. AMG ceramic squeal: pad break-in procedure or switch to standard compound under warranty claim.
water on floor mat after rain; wet carpet driver or passenger side; wind noise at highway speed from door or A-pillar; musty smell from cabin; lift-gate weather-strip leak; water stain on headliner near door frame
Water intrusion that causes electrical system damage (wet floor-mat sensors, subwoofer, or wiring harness) can escalate a cosmetic complaint to a Drivability/Reliability defect under Song-Beverly. Owners should photograph standing water, document all dealer visits including diagnoses of 'no issue found,' and note whether the defect recurs after each seal replacement. Repeated water intrusion events across multiple repair attempts support Song-Beverly eligibility if the root cause remains unresolved.
Door seal replacement (front and/or rear). Lift-gate weather-strip replacement. Dealers may also apply supplemental seam sealant at A-pillar lower bracket. Some cases require door realignment to restore proper seal compression.
seat lumbar adjustment inoperative; side bolster does not move; seat motor grinding noise; seat position memory lost; electric seat adjustment partially or fully non-functional; seat adjustment error in MBUX
Seat actuator failure on a vehicle with a $180,000+ MSRP constitutes a defect to a warranted system under Song-Beverly even if the vehicle remains drivable. If MBUSA fails to repair the actuator within a reasonable number of attempts—or if the same motor fails again after replacement—repeat-repair counts accrue. Document each dealer visit and obtain a loaner if the seat malfunction affects the driver's safe positioning.
Actuator motor assembly replacement under warranty. Dealers replace individual motor assemblies; full seat replacement rarely required. Extended component warranty coverage applies in some MBUSA market segments.
remedy available
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2025 G 550, G 580, and AMG G 63 vehicles. The vehicle's electronic stability program (ESP) may display an incorrect warning light during an ESP system failure. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 126, "Electronic Stability Control Systems," and 101, "Control and Displays."
remedy available
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2023 G 550 and 2019-2022 G63 AMG vehicles that received a replacement door latch during a service visit or prior recall repair. Components within the right-side rear door latch may prevent the rear doors from latching or opening properly.
remedy available
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 AMG G 63 and 2023 G 550 vehicles. The air-conditioning system may not have been filled with the correct refrigerant.
remedy available
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2024 GLE, GLS, C-Class, E-Class, S-Class, SL, GLC, CLS, AMG GT, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle details. The fuel pump may shutdown, causing a loss of drive power.
remedy available
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2023 C-Class, E-Class, S-Class, CLS, SL, GT, GLC, GLE, GLS, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle details. The fuel pump may shutdown, which can result in a loss of drive power.
remedy available
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2021 G550 and AMG G63 vehicles. The front axle wiring harness may chafe against an oil cooler and become damaged, which can cause a loss of anti-lock brakes (ABS) and electronic stability control (ESC).
remedy available
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. An error in the communication module's SIM card software can cause a mobile network connection failure, disabling the emergency call (eCall) system.
remedy available
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019 AMG G63, C300, E300, G550, AMG GT63, AMG GT53, 2019-2020 A220, GLA250, GLC300, 2016 C300, 2020 AMG A35, AMG C43, AMG C63, CLA250, E350, E450, GLB250, GLE450, GLS450, GLS580, S560, and SL550 vehicles equipped with a gasoline engine. During the manufacturing process, particles may have been trapped between the fuel rail and injectors, which can cause a fuel leak.
remedy available
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019 G550 vehicles. The fuel tank may not have been welded properly during manufacturing, which could result in a fuel leak.
remedy available
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 CLS450, AMG E53, AMG CLS53, E350, E450, AMG GT43, AMG GT53, 2020 S450, S560, G550, AMG GLC63, 2020-2021 GLC300, and AMG G63 vehicles. The side crash sensor connectors may come loose, which could delay the activation of air bags and seatbelts during a side impact crash.
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Mercedes-Benz, LLC (MBUSA) is recalling certain 2021 G550, AMG G63, E350, E450, AMG CLS53, AMG E53, AMG GT43, AMG GT53, AMG GT63, 2021-2022 CLS450, and AMG E63 vehicles. The rear seat belt automatic locking retractors may deactivate early, which can prevent the child restraint system from securing properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
remedy available
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2021 G550 and G63 AMG vehicles. Components within the door latch may prevent the rear doors from latching or opening properly.
remedy available
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 C-Class, E-Class, E-Class Coupe and Convertible, GLC, CLS, AMG GT 4-door Coupe and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. A faulty electrical contact within the seat position switch may prevent the driver and passenger air bags and seat belt force limiters from properly activating during a crash.
remedy available
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles. Please refer to the Part 573 report for specific vehicle model details. The software design of the communication module may fail to communicate the correct vehicle location for the emergency call system (eCall) in the event of a crash.
remedy available
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019-2020 G550 and G63 vehicles. The embossed lock symbol for the child safety lock on the rear doors may indicate the incorrect lock status of the child safety lock.
remedy available
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019-2020 G550 4MATIC and G63 AMG 4MATIC vehicles. An electrical resistor within the differential locking module may malfunction, interrupting communication between the control unit and the differential locking actuator, possibly resulting in the deactivation of the Electronic Stability Program (ESP) and Anti-lock Brake System (ABS) while driving.
remedy available
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019 G550 4MATIC and G63 AMG vehicles. The front door wiring harnesses may have been improperly routed causing damage to the individual wires during opening and closing of the front doors.
remedy available
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2018 E400 Wagon 4MATIC, E400 4MATIC, E43 AMG 4MATIC, 2018-2019 E63S AMG 4MATIC Wagon, E63 AMG 4MATIC Wagon, E300, E300 4MATIC, GLC63S Coupe AMG 4MATIC, 2019 CLS450, CLS450 4MATIC, CLS53 AMG 4MATIC, E450 Wagon, E53 AMG 4MATIC, GLC300, GLC63 AMG Coupe 4MATIC, G550 4MATIC, G63 AMG, GLC300 Coupe 4MATIC, GLC300 4MATIC, GLC350e 4MATIC, GLC43 AMG Coupe 4MATIC, GLC43 AMG 4MATIC, GLC63 AMG 4MATIC, GT63 AMG four-door 4MATIC, and GT63S AMG four-door 4MATIC vehicles. Although correctly fastened, the front seat belts may be inaccurately detected as being unfastened, which may cause the electric PRE-SAFE®-function and the pretensioner to be deactivated.
remedy available
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019 Mercedes-Benz C300, C300 4Matic, C300 4Matic Cabrio, C300 4Matic Coupe, C300 Coupe, C300 Cabrio, C43 AMG, C43 AMG Cabrio, C43 AMG Coupe, CLS450, CLS450 4Matic, CLS53 AMG 4Matic, E53 AMG 4Matic, E450 4Matic, E450 4Matic Coupe, E53 AMG 4Matic Coupe, G550, and G63 AMG vehicles. The Central Powertrain Controller (CPC) control unit could reset while driving, possibly causing an engine stall.
Every item below comes from this vehicle's documented defects. The more you recognize, the more a free case review is worth your time.
California's Song-Beverly Consumer Warranty Act (Civil Code § 1793.2) applies to new Mercedes-Benz G-Class vehicles purchased or leased in California. Key provisions:
Repair Attempts: Two or more failed attempts on a safety defect—brake stall, LPFP highway stall, door latch failure, airbag non-deployment—may trigger eligibility. Non-safety defects (transmission shudder, MBUX freeze, seat motor) generally require four or more attempts. Each recall visit with an unresolved recurring symptom counts.
30-Day Rule: Cumulative out-of-service days across all dealer visits—including parts wait time—count toward 30 days. G-Class parts lead times on low-volume platforms can add up quickly; track every drop-off and pick-up date from day one.
Substantial Impairment: A $180,000 AMG G 63 with a fuel pump that risks highway stall, brakes requiring unexpected force, or a backup camera that fails on demand (FMVSS 111) meets the substantial-impairment standard California courts apply to premium vehicles.
No Cost to You: MBUSA pays your attorney fees if you prevail or settle favorably. This is general information only; no attorney-client relationship is formed by reading it. Law as of Jun 30, 2026.
“Could not duplicate” doesn't mean the defect isn't real. Here's exactly what to do to protect a potential California lemon-law claim.
Document the moment it happens. Photos, video, and screenshots of any warning lights — with the date and the mileage.
Get a repair order every visit — even “found nothing.” That paperwork is the foundation of a claim.
Check your VIN at nhtsa.gov/recalls. Note any recall that has no available remedy yet.
Track your out-of-service days. California law counts the cumulative days your vehicle spends in the shop.
Keep loaner & rental records. Alternate-transport paperwork during long repairs matters.
Save everything in one place. Symptoms, dates, repair orders, and every repeat visit — the intermittent ones especially.
G-Class defects are often intermittent—MBUX freezes, transmission shudder, brake hard-pedal events—making dealer duplication difficult on a short test drive. Follow these steps:
1. Before drop-off: Video every symptom on your phone. For transmission shudder, record from inside the cabin. For MBUX freeze, photograph the black screen. For brake issues, note speed, grade, and traffic conditions at time of occurrence.
2. Write the symptom yourself: Do not let the service advisor paraphrase. Write: 'Engine stalled at 65 mph northbound I-5 on [date]' or 'Transmission slams into a lower gear at under 20 mph.' Specific symptom language on repair orders is critical for Song-Beverly.
3. 'No fault found' is still a repair attempt: Ask the advisor to document the diagnostic steps taken (XENTRY codes checked, road-test mileage). Under California law, presenting the car for a specific complaint—even with a 'could not duplicate' result—counts as one repair attempt if the vehicle was in the dealer's possession.
4. LPFP / stall: Confirm with the service writer whether recall 23V445 or 23V880 is open on your VIN. If the recall was already closed and stall recurred, that recurrence is a second attempt for the same defect—document it as such.
5. Track out-of-service days: Log drop-off and pick-up dates for every visit. Cumulative 30+ days out of service independently supports a Song-Beverly claim.
6. Escalate: After two failed attempts, call MBUSA Customer Assistance and open a case. Record the case number. An escalated-but-unresolved case is further evidence of manufacturer awareness.
The W463A G-Class record is unusual even for a premium SUV: nineteen recall campaigns in seven model years is a high density for a vehicle produced in such limited numbers. What makes it particularly noteworthy for lemon-law purposes is the pattern of repeat system failures—three door-latch campaigns, two brake campaigns, two LPFP campaigns, three seat campaigns—suggesting that initial recall remedies did not fully solve the underlying design issues. The M177 LPFP failure is the highest-stakes defect: a pre-recall service bulletin shows MBUSA had notice before the formal campaigns, and a highway stall in a 5,500 lb SUV is a serious safety event. G-Class owners who have accumulated multiple dealer visits for any of these issues—especially fuel, brakes, or door latches—should review their repair orders carefully.
— The Margarian Law team
If your Mercedes-Benz G-Class has been to the dealer two or more times for fuel pump replacement, brake updates, transmission flashes, door latch repairs, or MBUX failures, you may have California lemon law options. Margarian Law offers a free case review and handles thousands of lemon-law cases—no cost unless your case is resolved favorably.
An engine stall in the 2019-2023 G-Class—especially in models with the 4.0L M177 twin-turbo V8—is most likely caused by low-pressure fuel pump (LPFP) failure. NHTSA issued two recall campaigns: 23V445 (2021-2022 model years) and 23V880 (2022-2023 model years). A pre-recall MBUSA service bulletin (LI47.10-P-062932) documents that the company knew of the defect before the formal campaigns. If your G-Class stalled at highway speed, you should check whether your VIN is covered by either recall (available at nhtsa.gov/recalls). If the recall was already performed and the stall recurred, that recurrence is a separate warranty repair attempt under California Song-Beverly law. Document the stall date, location, and mileage, and present the vehicle to the dealer with that information in writing. []
The 2019-2025 Mercedes-Benz G-Class (W463A) has been subject to nineteen separate NHTSA recall campaigns covering brake system software (20V090, 23V097), low-pressure fuel pump failure (23V445, 23V880), door latch and lock defects (20V247, 21V353, 24V659), seat belt fastener issues (19V788, 21V230, 21V483), exterior lighting failures (21V058, 22V365), airbag/occupant detection (21V527), fuel system and rail defects (21V564, 21V961), ECU/software (18V761), HVAC/defroster (24V170), and ESC software (25V254). This volume across a single platform in seven years—particularly the repeat campaigns for brakes, latches, seats, and fuel—reflects systemic quality concerns. California owners can verify open recalls at nhtsa.gov/recalls by entering their VIN. []
Yes, brake system defects are among the most lemon-law-eligible categories under California's Song-Beverly Consumer Warranty Act. The 2019-2021 G-Class was subject to two separate brake-related recall campaigns: 20V090 (2019-2020) and 23V097 (2019-2021), both addressing brake assist software that can cause reduced stopping effectiveness or unexpected braking. If your G-Class experienced hard-pedal brake events, required two or more dealer visits for brake system diagnosis or software updates, and the symptom has not been fully resolved, you may qualify for a buyback or replacement. For safety defects specifically, California law may require as few as two unsuccessful repair attempts. Document each visit with specific brake symptom language on the repair order and track out-of-service days. []
Harsh downshifts and torque-converter shudder in the G-Class are documented in MBUSA service bulletins for the 9G-Tronic 725.0 automatic transmission. The root cause is a TCM calibration not optimized for the G-Class's ~5,300 lb curb weight at low-speed downshifts, causing premature lock-up clutch engagement. The recommended first remedy is a XENTRY TCM software update at the dealer; persistent cases require valve body inspection and replacement. Importantly, if the harsh shift returns after an update, each subsequent dealer visit for the same symptom counts as a separate repair attempt under California's Song-Beverly Act. Owners who have had three or more TCM updates without resolution—and whose vehicle is still within the manufacturer's warranty period—should document all repair orders and consider a legal review. []
MBUX black-screen and freeze issues on 2019-2022 G-Class are documented in MBUSA service advisories for the NTG 7 head unit. The first dealer remedy is a full XENTRY software flash (not an OTA update, which is insufficient for corrupted units). If the freeze or reboot loop recurs within 30 days of the flash, MBUSA authorizes head-unit replacement. This matters beyond inconvenience: if the backup camera is non-functional during a freeze, that is an impairment of a federally-required safety feature (FMVSS 111). For Song-Beverly purposes, each failed software flash is a separate repair attempt. When you drop off the vehicle, write the specific symptom on the repair order: 'MBUX screen black at startup, backup camera did not display, required dealer restart.' Keep all repair invoices. Two failed flashes may already put you at the threshold for a lemon-law claim, particularly combined with other open recall visits. []
Yes—if your G-Class has a warrantied defect that has not been resolved after a reasonable number of repair attempts, California's Song-Beverly Consumer Warranty Act entitles you to a buyback (full refund of purchase price minus a mileage offset) or a replacement vehicle. The G-Class's nineteen recall campaigns and documented TSB issues for LPFP failure, brake software, transmission shift quality, and MBUX mean that many owners have already accumulated the required repair-attempt history without realizing it. Key thresholds: two or more failed attempts on a safety defect (stall, brake failure, door opening while driving), or four or more attempts on a non-safety defect (transmission shudder, MBUX freeze), or 30 cumulative out-of-service days. Attorney fees are paid by the manufacturer if you prevail—there is no upfront cost for qualified representation. Start by gathering all repair orders and calculating your out-of-service days before your free case review. []
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