2021 Mercedes-Benz AMG C63 S: True Cost, Problems & Verdict
1 NHTSA owner complaints · 4 recalls · data-computed verdict. No opinions — public data only.
Owner complaints: 1 filed with NHTSA
Complaints per year on the road: 0.2
What owners say
Verbatim reports filed with the United States safety regulator (NHTSA) by owners of this exact model year. Public record.
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 C205 as it is the same platform and having the same exact issue. I have read on forums that there are also other drivers …
Recalls: 4 campaigns (1 severe)
| Campaign | Component | Summary |
|---|---|---|
| 21V230000 | Seats | 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. |
| 22V232000 | Back Over Prevention:Display Function | 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. |
| 23V445000 | Fuel System, Gasoline:Delivery:Fuel Pump | 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. |
| 21V406000 | Seats:Mid/Rear Assembly:Head Restraint | 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. |
What it costs to buy — and what owning it really takes
Class-level estimates, priced as a mid-size premium car of its model year, re-priced to your country. Not a quote, not a valuation of one specific car — condition, mileage and options move it. How these are computed.
What it costs to run
EPA combined 21 MPG · estimated annual fuel cost $3,600
Re-priced automatically from your country's retail fuel, electricity and parts indices — change country in the bar at the top. Estimates; see methodology.
What this car's problems cost to fix
Ranked by the components owners of this exact model year actually complain about. Each figure is flat-rate labour hours x the local shop rate plus a parts band — an estimate of what this kind of failure costs, not a quote, and not a prediction that this car will need it. Formula.
- Seat Belts1 complaints · typical job: Pretensioner or retractor replacement (1.5 h labour + parts)$360–$800
Other Mercedes-Benz AMG C63 S years
Mercedes-Benz AMG C63 S years to avoid, and the best years to buy →
FAQ
What is the most common problem with the 2021 Mercedes-Benz AMG C63 S?
The most-reported issue in NHTSA complaint data is Seat Belts (1 complaints in our indexed sample).
Is the 2021 Mercedes-Benz AMG C63 S a good used car to buy?
Our data verdict is BUY with a reliability score of 87/100, computed from 1 NHTSA complaints and 4 recall campaigns. See the verdict card for the top reasons.
How much does it cost to fix the 2021 Mercedes-Benz AMG C63 S's most common problem?
1 of the NHTSA complaints filed against the 2021 Mercedes-Benz AMG C63 S sit in the Seat Belts group — more than any other component on this model year. The representative job there is pretensioner or retractor replacement: about 1.5 hours of labour plus parts, roughly $360–$800 at a US independent shop and re-priced to your country at the top of the page. It is an estimate of what this class of failure costs, not a quote for this car.
What does a 2021 Mercedes-Benz AMG C63 S cost to run per year?
About $4,973 a year in fuel or energy plus the maintenance band — roughly $24,868 over five years, before purchase price, insurance and depreciation. Figures come from available EPA fuel-economy data and industry maintenance averages, and are re-priced to your country.
Does the 2021 Mercedes-Benz AMG C63 S have recalls?
Yes — NHTSA lists 4 recall campaign(s) for the 2021 Mercedes-Benz AMG C63 S, 1 of them touching fire, crash or stall risk, the most recent recorded 01/04/2021. Check this car's VIN at nhtsa.gov/recalls before you buy.
Compare with
Other luxury midsizes of about the same age.
What will a 2021 Mercedes-Benz AMG C63 S really cost YOU per year?
Fuel, maintenance band and depreciation — computed from public data in 10 seconds.
Open the true-cost calculatorData sources
Complaints & recalls: NHTSA ·
Fuel economy: EPA fueleconomy.gov ·
Scoring: our published methodology.
Maintenance bands are industry-average estimates (AAA Your Driving Costs, CarMD index) — labeled estimates, not measurements.
Last updated: 2026-10-04.
Thin evidence — 1 complaints, 4 recalls on record
- 1 NHTSA complaints on record (0.2/yr of exposure) — in line with a typical year of this model (0.2/yr)
- 4 recall campaigns, 1 touching safety-critical systems
- Thin complaint record — this score is held close to the model's own average rather than read as evidence of quality