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Main Fuse Box Failure — Recall 24V115 (2024 E350/E450/AMG C63e S/CLE)
warning light; recall notice; repeated dealer repair
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Six NHTSA recalls in two years: blank dashboards, brake-assist failure, axle defects. California E-Class owners may qualify for a buyback. Free review.
You paid $60,000 — possibly more — for the sixth-generation Mercedes-Benz E-Class. The badge promises engineering precision, a cabin draped in Superscreen technology, and a 48V mild-hybrid drivetrain that Mercedes calls EQ Boost. What some owners have received instead is a dashboard that goes dark at highway speed, a transmission that lurches and hesitates, and an infotainment system that requires a 2-5 minute reboot cycle in the middle of a drive — all on a car that arrived with multiple factory recalls before the first model year was complete.
The W214 E-Class is Mercedes-Benz's most ambitious mid-size sedan in a generation. It introduced MBUX 2.0 with a tri-panel Superscreen spanning the dashboard, embedded selfie cameras, over-the-air software updates, and a new 48V integrated starter-generator system that doubles as the engine's starter motor, generator, and mild-hybrid booster. The engineering ambition is real. So is the recall record.
In the first two years of production, MBUSA issued six federal safety recalls — covering defective fuse boxes, a transmission wiring harness routed into the driveshaft, a software error that silently disabled automatic emergency braking, a rear axle bracket so poorly welded that owners were told not to drive the car, overheating 48V ground connections, and an infotainment control unit that resets and blacks out the instrument panel while driving. Mercedes simultaneously ran multiple OTA software campaigns to address MBUX instability and wireless CarPlay connectivity failures — campaigns that were the quiet predecessors to the formal recalls.
Consumer Reports rates the 2024 and 2025 E-Class as less reliable than competing sedans in their respective model years. For California owners living under the Song-Beverly Consumer Warranty Act, a vehicle that has been back to the dealer repeatedly for any of these documented defects may have lemon-law remedies available — including a full repurchase or replacement at no cost.
The issues owners report most, ranked by severity — each one verified against a cited NHTSA source.
warning light; recall notice; repeated dealer repair
clunking from drivetrain; loss of drive power; vehicle may roll when parked
brake pedal problem; reduced braking; unexpected braking; brake warning light
transmission shifts unexpectedly; hesitation; harsh shift; transmission warning
warning light; recall notice; repeated dealer repair
warning light; recall notice; repeated dealer repair
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
Fuse failure can cause loss of critical vehicle functions including drive power, lighting, and safety systems. Recall 24V115 covers fuse boxes manufactured incorrectly — an OEM admission that the part was defective from production. Under Song-Beverly, an owner who returned for repeated fuse-related electrical failures before or after the recall remedy may have a multi-attempt claim. Ensure each dealer visit documenting fuse failure is recorded on a separate repair order.
Dealers will replace the main fuse boxes, free of charge. Owner notification letters were mailed April 5, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2024030008.
clunking from drivetrain; loss of drive power; vehicle may roll when parked
Loss of drive power at highway speed is a classic Song-Beverly impairment: the vehicle cannot be safely used for its intended purpose. Recall 24V224 is MBUSA's formal acknowledgment that the wiring-harness routing was defective as manufactured. If the dealer performed the routing correction but the owner subsequently experienced recurring drive-power loss, that post-recall failure is a separate repair event strengthening a lemon-law claim. A vehicle that rolls when parked due to this defect is an additional safety basis.
Dealers will check the transmission wiring harness routing and correct it, if necessary, free of charge. Owner notification letters were mailed May 17, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2024040007.
brake pedal problem; reduced braking; unexpected braking; brake warning light
A software defect that silently disables the automated emergency braking system substantially impairs the vehicle's safety features — features that Mercedes advertised and that buyers paid for. Recall 24V688 is especially relevant to California lemon-law because the owner had no way to know the safety system was inactive. If MBUX resets continued after the initial recall software update, each subsequent braking-related dealer visit counts toward the Song-Beverly repair-attempt threshold.
Dealers will update the MBUX multimedia system software and parking control unit settings, free of charge. Owner notification letters were mailed November 1, 2024. This is a phased recall, phase 1 owner letters will be mailed November 12, 2024, November 1, 2024, and January 14, 2025. Owners may cont
transmission shifts unexpectedly; hesitation; harsh shift; transmission warning
Recall 24V941 is so serious that MBUSA instructed owners not to drive the vehicle until repaired — a 'do not drive' directive is among the strongest admissions of a safety-critical manufacturing defect. Under Song-Beverly, the period during which the owner could not use the vehicle (awaiting parts or repair) counts toward 'days out of service.' An owner whose 2025 E-Class was unavailable for 30+ days due to this recall may independently qualify for a buyback on calendar-time grounds alone.
Owners are advised not to drive their vehicles until the remedy has been performed. Dealers will replace the rear axle carrier, free of charge. Owner notification letters were mailed January 22, 2025. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2024
warning light; recall notice; repeated dealer repair
Overheating ground connections in the 48V wiring harness create a fire-adjacent risk and can trigger total electrical failure. Recall 25V240 establishes that the ground connections were improperly secured at the factory — a manufacturing defect, not wear. Owners who experience recurring 48V system warnings or EQ Boost faults after the recall repair should document each visit: a pattern of electrical failures post-recall is compelling evidence of a defect that MBUSA cannot reliably fix, supporting a Song-Beverly buyback or replacement claim.
Dealers will inspect and repair the 12-Volt and 48-Volt ground connections as necessary, free of charge. Owner notification letters were mailed May 7, 2025. Owners may contact MBUSA customer service at 1-800-367-6372.
warning light; recall notice; repeated dealer repair
A display that blanks the speedometer and all warning indicators while driving is a federal safety recall and a textbook Song-Beverly defect: MBUSA itself acknowledged 'numerous' warranty claims before the recall was formalized. Owners who had the screen freeze repaired multiple times at the dealer before recall 26V281 was issued have the strongest case — each prior visit for the same symptom is a documented repair attempt. If the recall software update does not permanently resolve the resets, the owner should return immediately and document that the recall remedy failed, as California law does not limit the number of qualifying repair attempts to those occurring before a recall is issued.
Dealers will update the infotainment control unit software, free of charge. Owner notification letters are expected to be mailed June 26, 2026. MBUSA's number for this recall is 2026050004. Owners may contact MBUSA customer service at 1-800-367-6372. Vehicle Identification Numbers (VINs) involved in
harsh or rough gear changes especially on 1-2 and 2-3 upshifts; transmission hesitation or delayed engagement from stop; clunk or jolt on deceleration downshifts; transmission slipping sensation at low speed; transmission warning light; vehicle enters limp mode
A transmission that slips, lurches, or enters limp mode after repeated dealer software updates constitutes a substantial impairment of use and value under Song-Beverly. If the dealer has attempted the TSB adaptation two or more times without resolution, the repair-attempt clock for California lemon-law purposes is running. Document each visit, the EEPROM capture attempt, and any test-drive results recorded on the repair order.
Update all powertrain control units (TCU, ISG48V2, DCDC48EVO1, 48V LIB) to latest software via XENTRY Diagnosis. Capture TCM log and EEPROM data before any adaptation. If shift quality persists after software update, perform CAN-FD measurement and submit TIPS case; valve-body replacement or torque-converter replacement may follow.
all three Superscreen displays go black simultaneously while driving; instrument cluster freezes and reboots taking 2-5 minutes; speedometer and warning lights disappear during reset cycle; cruise control disengages when screens reset; Selfie Camera and passenger display stop responding; MBUX system unresponsive to touch input; screen freeze occurs repeatedly in the same drive cycle
A blank speedometer and instrument panel while driving is a safety defect under Song-Beverly — not merely an annoyance. Owners who experienced repeated screen blackouts before the 26V281 recall remedy was available, and who returned to the dealer multiple times without a permanent fix, have a strong repair-history argument. Each visit for the same symptom, even if temporarily resolved by a software reflash, counts as a separate repair attempt under California lemon law.
Recall 26V281 (existing iss-06) covers the formal software remedy — dealer updates the infotainment control unit software at no charge. For vehicles that received OTA campaign 24P5497828 but still exhibit resets, dealer XENTRY update under 26V281 is required. If software update does not resolve, head-unit replacement may be warranted.
EQ Boost malfunction warning on instrument cluster; 48V system error message; engine cranks slowly or fails to start after vehicle sits overnight; 12V battery repeatedly discharged despite short overnight parking; loss of mild-hybrid acceleration assist; DC/DC converter fault code; multiple warning lights illuminate simultaneously; vehicle enters limp mode after 48V fault
Repeated no-start events or 48V system failures that leave an owner stranded — particularly when the vehicle has been back for the same symptom across multiple dealer visits — constitute a substantial impairment of reliability under Song-Beverly. The ground-connection recall (25V240) is a formal admission that the 48V wiring was defective as manufactured; owners whose vehicles continued to exhibit drain or ISG faults after the recall repair have a compounding defect argument.
For ground-connection overheating: dealer inspection and repair under recall 25V240 (existing iss-05). For 48V software faults: dealer updates battery control unit software via XENTRY. For persistent 12V drain not resolved by software update: battery module replacement or parasitic draw diagnosis targeting always-on control modules. Mercedes authorized dealers should check for all open campaigns before any individual repair.
wireless CarPlay drops connection 4-5 times per commute; Apple CarPlay connection lost and must be re-initiated manually; Digital Vehicle Key fails to recognize iPhone at door handle; Bluetooth phone connection unstable; CarPlay audio cuts out without screen disconnect; MBUX shows phone as connected but CarPlay interface does not launch
Persistent wireless CarPlay failure that survives multiple OTA campaigns and dealer software updates can qualify as a warrantied defect under Song-Beverly when it substantially impairs the vehicle's usefulness for the buyer's purposes. The existence of two OTA campaigns within the first model year is itself evidence that Mercedes knew about the instability. Document every dealer attempt to fix CarPlay disconnects and whether the OTA completion was verified.
For 2025: Confirm OTA campaign 24P5496434 completed (verify Software Object Number 001 902 55 12 in VeDoc). For 2024: Confirm MBUX OTA 24P5497828 completed. If CarPlay drops persist after both OTA campaigns, dealer XENTRY update of head unit and Mobile Access Unit (MAU) firmware is warranted. Hard reset of MBUX system (hold volume button 10 sec) is a temporary workaround only.
remedy available
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2024-2026 AMG GT, C-Class, E-Class, SL, CLE, and GLC vehicles. The infotainment control unit may reset while the vehicle is in motion and cause the instrument panel display to go blank.
remedy available
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2024 E 350 4MATIC, E 450 4MATIC All-Terrain, and E 450 4MATIC vehicles. The 12-Volt and 48-Volt ground connections for the electrical wiring harness may not be secured properly, resulting in the ground connections overheating.
remedy available
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2025 E 350, E 350 4MATIC, E 450 4MATIC, and E450 4MATIC station wagon vehicles. The camber strut bracket may have been improperly welded onto the rear axle carrier, possibly resulting in separation of the bracket from the rear axle carrier.
remedy available
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2024 CLE 300 Convertible, CLE 300 Coupe, CLE 450 Convertible, CLE 450 Coupe, E 350, E 450 Station Wagon, E 450, and AMG CLE 53 Coupe vehicles. A software error in the MBUX multimedia system may deactivate certain vehicle systems, including the cross-traffic alert that applies the brakes automatically in certain driving situations.
remedy available
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2024 E350 4Matic, E450 4Matic All-Terrain, and E450 4Matic vehicles. The transmission wiring harness may be routed too close to the driveshaft, which can result in wiring harness damage and cause a loss of drive power.
remedy available
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2024 C300, AMG C43, S580e, S580, Maybach S580, Maybach S680, AMG SL43, AMGSL63, GLC300, EQE350, EQE500, EQS450, EQS580, AMG EQS, 2023 S500, AMG SL55, AMG EQE, 2024 E350, E450, AMG C63e S, CLE300 Coupe, CLE450 Coupe, and GLC300 Coupe vehicles. The 80-Amp fuses may have been manufactured incorrectly, which can cause the fuses to fail.
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 applies to any new vehicle purchased or leased in California under a manufacturer's warranty. The 2024-2026 Mercedes-Benz E-Class W214 qualifies in full.
MBUSA must repair any defect that substantially impairs the vehicle's use, value, or safety within the warranty period. If the same defect cannot be fixed after a reasonable number of attempts, you are entitled to a replacement vehicle or a full refund — including taxes, registration, and finance charges — minus only a mileage offset for use before the problem first arose.
California's lemon-law presumption triggers at (a) four or more repair attempts for the same defect, or (b) 30 or more cumulative calendar days out of service. For safety-critical defects — such as the blank instrument cluster (recall 26V281) or the silent brake-assist deactivation (recall 24V688) — the threshold drops to two repair attempts.
The W214's record — six federal recalls and multiple OTA campaigns within two model years — represents exactly the category of repeated, manufacturer-acknowledged defects that Song-Beverly was designed to remedy. If your E-Class has been back twice or more for the same symptom, your repair history deserves a professional case evaluation.
“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.
The W214's most frustrating defects — the MBUX screen blackout, the 9G-Tronic shift hesitation, the 48V EQ Boost faults — are intermittent. Dealers write 'could not duplicate' when a technician misses the window. Protect your repair history:
1. Capture video at the moment of failure. MBUX blackouts happen in seconds. Video with date/time stamp showing a blank cluster is your best evidence before any dealer visit.
2. Submit symptoms in writing at drop-off. Example: 'All three Superscreen displays go black while driving at highway speed; cluster reboots 2-5 minutes; cruise disengages.' Request those exact words on the repair order.
3. Demand a cold-soak test drive for transmission complaints. 9G-TRONIC 725.1 shift quality problems appear most on the first 1-2 miles before warm-up. Specify 'test drive cold, first start of the day' in writing.
4. Ask about the TSB EEPROM step. TSB LI27.00-P-073532 requires the TCM log and EEPROM data to be captured before any adaptation. Ask whether this was done and request the TIPS case number if one was opened.
5. Verify OTA completion in VeDoc. Ask the service adviser to confirm campaigns 24P5497828 (MBUX) and 24P5496434 (mobile device connection) show as 'Installed' for your VIN. If not, the dealer must push them manually.
6. Keep every repair order, including 'no fault found' visits. Each visit for the same reported symptom counts as a repair attempt under Song-Beverly, regardless of outcome.
The W214 E-Class represents Mercedes-Benz's most aggressive technological leap in the mid-size segment in a decade — and the recall record suggests the company launched faster than the engineering was ready for. Six recalls in roughly two model years, an MBUX system that blanks the speedometer, a rear axle bracket whose weld could not survive production tolerances, and a 48V electrical architecture that needed multiple OTA patches before it was stable — this is not a vehicle that arrived fully finished.
Consumer Reports' below-average reliability rating for both the 2024 and 2025 E-Class confirms that owner experience tracks the recall record. Buyers who love the car's technology and drive character should know: the remedies exist, but they require persistence and documentation. California lemon-law owners have real options here.
— The Margarian Law team
If your 2024-2026 Mercedes-Benz E-Class has been to the dealer multiple times for screen blackouts, transmission issues, 48V system faults, or any of the documented recalls, you may have rights under California's lemon law. Margarian Law has handled thousands of lemon-law cases against vehicle manufacturers and offers a free, confidential case review. You pay nothing unless we recover for you.
The blank-screen problem is caused by a software defect in the MBUX infotainment control unit that triggers an unintended reset loop. When the reset occurs, the instrument cluster display — including the speedometer, warning lights, and all three Superscreen panels — goes dark for up to 2-5 minutes. NHTSA opened recall 26V281 in May 2026 after Mercedes acknowledged 'numerous' warranty claims and field reports. The fix is a software update to the infotainment control unit, which dealers must apply at no charge. If your dealer has already attempted the fix and the screens still go black, document each incident with video and date-stamp, and save every repair order — repeated failures after a recall fix strengthen a California lemon-law claim.
NHTSA recall 24V941 (December 2024) covers certain 2025 E350, E350 4MATIC, E450 4MATIC, and E450 4MATIC station wagon vehicles. The camber strut bracket on the rear axle carrier may have been improperly welded during manufacturing, which can cause the bracket to separate from the axle carrier. Bracket separation can affect rear suspension geometry and vehicle handling. Mercedes-Benz USA advised owners not to drive the vehicle until the repair was completed — a 'do not drive' directive. Dealers replace the rear axle carrier at no cost. If your vehicle was out of service for an extended period awaiting parts for this recall, that time out of service counts toward California lemon-law thresholds.
Yes. Mercedes-Benz issued technical service bulletin LI27.00-P-073532 (dated January 2025) specifically covering the 725.1 9G-TRONIC FACELIFT transmission fitted to the W214 E-Class. The bulletin acknowledges shift quality complaints including rough shifts, delayed engagement, slipping, and poor shift quality. The prescribed remedy is a multi-step software update that covers the transmission control unit (TCU), the 48V ISG module, the DC/DC converter, and the 48V lithium-ion battery control unit — not just the TCU alone. Technicians are also required to capture the EEPROM data before any adaptation. If your dealer has attempted a transmission software fix and the harsh shifts returned, ask specifically whether all powertrain modules were updated per TSB LI27.00-P-073532 and whether a TIPS case was opened. Recurring harsh shifts after two or more TSB attempts can support a California lemon-law claim.
Not automatically — but the recall record matters. California's Song-Beverly Act does not trigger automatically upon a recall; it requires that the same defect was subject to a reasonable number of repair attempts (generally two for safety defects, four for others) or the vehicle was out of service 30+ cumulative days. However, a recall is an OEM admission that the part or software was defective as manufactured, which directly supports a lemon-law claim if the recall remedy failed or if the same symptom returned after the fix. The 2024-2025 W214 has six NHTSA recalls across its first two model years, plus multiple OTA software campaigns for MBUX instability and connectivity failures. If your vehicle has been to the dealer for the same symptom two or more times — whether tied to a recall or not — your repair history is worth a professional evaluation. Save every repair order, even 'no fault found' visits.
Mercedes-Benz acknowledged the wireless CarPlay and Digital Vehicle Key instability on the W214 E-Class through two OTA service campaigns. Campaign 24P5497828 (March 2025) targeted MBUX multimedia software that did not match the latest production configuration across 74,065 vehicles on the C-Class, CLE, E-Class, and GLC platforms for model years 2024-2025. Campaign 24P5496434 (March 2025) specifically addressed the mobile device connection control unit on 2025 E-Class vehicles, improving Digital Key stability and device compatibility. If your CarPlay still drops after both OTA campaigns, ask your dealer to verify in VeDoc that both updates show as 'Installed' for your VIN and to perform a manual XENTRY firmware update on the Mobile Access Unit (MAU) if the OTA did not complete. Repeated CarPlay failures after documented dealer visits can qualify as a warrantied functional defect under Song-Beverly.
A 'cannot duplicate' or 'no fault found' repair order is frustrating but does not end your rights. Under California's Song-Beverly Act, that visit still counts as a repair attempt if you reported the same symptom as a prior visit. Take these steps before and after each dealer visit: (1) Record video of the symptom with date, time, and location visible. (2) Write your symptom description in detail before handing over the vehicle, and request that the exact words appear on the repair order. (3) For transmission issues, ask the dealer to test-drive the vehicle cold — many 9G-Tronic shift complaints only appear in the first few miles before warm-up. (4) For MBUX screen issues, ask whether recall 26V281 and OTA campaigns 24P5497828 are shown as complete in VeDoc. (5) Keep a running log of every visit, including date, mileage, symptoms reported, and outcome. If the pattern shows the same defect reported across multiple visits without resolution, you may have a Song-Beverly claim regardless of what each individual repair order says.
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