2021 Mercedes-Benz AMG C63 S Problems, Complaints & Recalls

Source: NHTSA · Updated Aug 4, 2026 · 1 owner complaints analyzed

Compared with other AMG C63 S years
Not enough data 2nd of 9 for complaints
NHTSA crash rating
Not rated

Owners have filed 1 complaint with NHTSA about the 2021 Mercedes-Benz AMG C63 S. That ranks 2nd out of 9 AMG C63 S model years for complaints. The most reported problem area is seat belts (1 complaints, 100%). There are 4 safety recalls covering this model year.

Complaints are unverified owner reports and are not adjusted for sales volume.

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Most common 2021 Mercedes-Benz AMG C63 S problems

Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.

Seat Belts1
Problem areaComplaintsShareMedian milesOwners mention mostTypical repair cost
Seat Belts1100%———

One complaint can list several problem areas, so shares can add up to more than 100%.

2021 Mercedes-Benz AMG C63 S recalls (4)

Tap a recall to see the problem, the risk and the fix.

Fuel system, gasoline:delivery:fuel pumpJun 26, 2023 · NHTSA campaign 23V445000 · 143,551 vehicles

Problem: 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.

Back over prevention:display functionApr 8, 2022 · NHTSA campaign 22V232000 · 126,443 vehicles

Problem: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018-2021 CLA-Class, GLE/GLS-Class, A-Class, C-Class, E-Class, E-Class Coupe/Convertible, GLA/GLB-Class, GLC-Class, and CLS-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. The rearview camera may not display the rearview image due to a software error. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

Risk: An inoperable rearview camera display reduces the driver's rear view, increasing the risk of a crash.

Fix: Dealers will update the rearview camera software, free of charge. Owner notification letters were mailed July 15, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022060007.

Seats:mid/rear assembly:head restraintMay 28, 2021 · NHTSA campaign 21V406000 · 218 vehicles

Problem: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 C300 Cabriolet, C43 AMG Cabriolet, C63 AMG Cabriolet, C63 AMG S Cabriolet, E450 Cabriolet, and E53 AMG Cabriolet vehicles. The rear headrests may be incorrectly mounted to the seatbacks.

Risk: Incorrectly mounted headrests could move or detach from the seat during a crash, increasing the risk of injury.

Fix: Dealers will inspect the rear seatback guide bushings and replace them if necessary, free of charge. Owner notification letters were mailed July 16, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021060010.

Seats; seat belts:pretensioner; air bags:sensor:occupant classificationApr 1, 2021 · NHTSA campaign 21V230000 · 8,634 vehicles

Problem: 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.

Risk: Air bags and seat belts that do not perform properly in a crash can increase the risk of injury.

Fix: 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.

To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.

Recent owner reports

Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.

Both driver and passenger seatbelts do not fully retract and remain loose. Must be manually guided back into mechanism. I see that there has been a recall for the cabriolet version of this vehicle platform but not for the coupe version. I am unsure why there hasn't also been a recall for the coupe…

Seat Belts · received Aug 4, 2026 · NHTSA complaint 11754860

Other Mercedes-Benz AMG C63 S years

← 2020 AMG C63 S · 2022 AMG C63 S →

See all Mercedes-Benz AMG C63 S problems by year, every Mercedes-Benz model, or the Mercedes-Benz VIN decoder.

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Frequently asked questions

What are the most common problems with the 2021 Mercedes-Benz AMG C63 S?

Owners most often report seat belts problems. The top one, seat belts, accounts for 1 complaint.

Was there a recall on the 2021 Mercedes-Benz AMG C63 S?

Yes, 4 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.

Was the 2021 Mercedes-Benz AMG C63 S a good year?

Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other AMG C63 S model years, the 2021 has too little data to compare. Always get a pre-purchase inspection and check the VIN for open recalls.