2023 Mercedes-Benz Amg C43 problems, complaints & recalls
Most-reported problem areas: Suspension (1)
Safety recalls (7)
Seat Belts:front 2025-05-02 · campaign 25V253000 · 46 vehicles
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2025 C 300, and 2023-2024 AMG C 43 vehicles. The driver-side seat belt cover may not be properly installed on the seat belt tensioner, which can cause the seat belt anchor to come loose.
Risk: A loose seat belt may not properly restrain an occupant during a crash, increasing the risk of injury.
Fix: Dealers will inspect and repair the seat belt covers, as necessary, free of charge. Owner notification letters were mailed May 16, 2025. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2025040012.
Seats 2024-05-24 · campaign 24V371000 · 18 vehicles
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023 AMG C43 4MATIC vehicles, equipped with AMG Performance seats. The seat wiring harness may be incorrectly routed, which can cause it to become damaged when the seat is fully reclined.
Risk: A damaged wiring harness can prevent the air bags installed in the seats from deploying as intended during a crash, increasing the risk of injury.
Fix: Dealers will inspect and reroute the wiring harness, as necessary, free of charge. Owner notification letters were mailed July 12, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2024060009.
Electrical System:wiring:fuses And Circuit Breakers 2024-02-16 · campaign 24V115000 · 31,848 vehicles
Defect: 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.
Risk: An 80-Amp fuse that fails can result in a sudden loss of drive power or a loss of critical safety functions such as the restraint systems or instrument cluster, increasing the risk of a crash or injury. Additionally, there could be an increased risk of a fire.
Fix: 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.
Fuel System, Gasoline:delivery:fuel Pump 2023-12-21 · campaign 23V880000 · 79,676 vehicles
Defect: 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.
Risk: A loss of drive power can increase the risk of a crash.
Fix: 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 customer service at 1-800-367-6372. This recall is an expansion of NHTSA recall number 23V-445.
Electrical System:wiring 2023-06-30 · campaign 23V462000 · 8,178 vehicles
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 C300 and 2023 AMG C43 vehicles. The transmission wiring harness may be the incorrect length, which can result in harness damage and a loss of drive power.
Risk: A loss of drive power can increase the risk of a crash.
Fix: Dealers will inspect and repair the transmission wiring harness routing, as necessary, free of charge. Owner notification letters were mailed August 18, 2023. Owners may contact MBUSA customer service at 1-800-367-6373. MBUSA's number for this recall is 2023070015.
Electrical System:wiring 2023-06-30 · campaign 23V463000 · 1,558 vehicles
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 C300 and 2023 AMG C43 vehicles. The ground connections for the electrical wiring harness may not be secured properly, which can result in the electrical wiring harness overheating.
Risk: An overheated wiring harness can increase the risk of a fire.
Fix: Dealers will inspect and repair the ground connections for the electrical wiring harness, as necessary, free of charge. Owner notification letters were mailed August 11, 2023. Owners may contact MBUSA customer service at 1-800-367-6373. MBUSA's numbers for this recall are 2023070016, 2023070017, 2023070018, and 2024070016.
Fuel System, Gasoline:delivery:fuel Pump 2023-06-26 · campaign 23V445000 · 143,551 vehicles
Defect: 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.
Risk: A loss of drive power can increase the risk of a crash.
Fix: 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.
Service bulletins (364)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Steering 2026-09-26 · LI46.10-P-080896 · Service Bulletin/Repair Instructions
complaint slight creaking noises when steering. cause noises may come from one or more sleeves of the horn contact plate. remedy remove the horn contact plate and check the sleeves for noise; see attached video. if necessary, apply lubricant to the sleeves.
Electrical System 2026-09-25 · OTA-Comm. Mod. SW. Update · Over The Air
a software update will be performed that provides enhancements to the robustness and system stability of the communication module. the update is free of charge and runs in the background, which takes about 8 minutes to install. during this time, the vehicle can be driven without any restrictions, an
Visibility/Wiper 2026-09-25 · LI83.90-P-080935 · Service Bulletin/Repair Instructions
complaint cel illuminates and/or ac does not blow cold. cause potentially relevance to hardware and/or software remedy scenario 1: 1. if the ac does not blow cold air, replace compressor (if compressor's index and part number figure 1 match against table 1). a. if the compressor does not fall within
Service Brakes 2026-09-22 · LI42.10-P-078779 · Service Bulletin/Repair Instructions
complaint repeat workshop visit for vehicle vibration while braking from 60mph. note: although the symptom is similar to a tire or wheel vibration, it is usually readily noticeable that it is distinctly different if it happens at all times or only while braking. cause although the cause of the vibra
Visibility/Wiper 2026-09-18 · PSL-NCU Return Parts 9/18 · Other
dear dealer partners, the part numbers listed in the chart below should no longer be installed and any existing stock must be returned to your facing pdc. the deadline for all dealer returns is thursday, october 8th, 2026. after october 8th, we will no longer accept returns of these parts. these par
Electrical System 2026-09-17 · LI54.30-P-080963 · Service Bulletin/Repair Instructions
complaint issue after ota update ic odometer reading blank("_ _ _ _") ic maintanence data unavailable cause ota update e61.0 remedy in the ic control unit log, please check the following information: verify whether dtcs b228229, b228287, and b226656 are present in either a or a+s. verify that status
Showing the 6 most recent of 364 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-09-24 · Unknown Or Other“my vehicle developed a coolant warning during normal road use. i had not experienced any known collision, crash, or unusual impact. i brought the vehicle to an authorized mercedes-benz dealer for inspection. the dealer diagnosed the problem as: “front low-temperature cooler replacement – impact damage causing leak.” the repair estimate was approxi…”
2026-05-05 · Unknown Or Other“i am filing a safety complaint regarding my 2023 mercedes-benz amg c43 4matic. the vehicle has approximately 23,000 miles. on multiple occasions, the vehicle has abruptly and violently applied the brakes and/or come to a near stop while i was driving on highways and side roads, even though there was nothing in front of me that should have triggered…”
2024-02-15 · Suspension · 5,600 mi“the contact owns a 2023 mercedes-benz c43 amg. while driving into a parking lot at a very slow speed, the braking system suddenly activated, and the vehicle shut off. after restarting the vehicle, the messages "rear axle malfunction", "active braking system limited" and "inoperative" were displayed. the cause of the failure was not yet determined. …”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.