2021 Mercedes-Benz AMG hybrid: common problems and MOT failures
What MOT testers find on the hybrid Mercedes-Benz AMG first registered in 2021 (hybrid cars only): we looked at the 846 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.
Common 2021 Mercedes-Benz AMG hybrid MOT failures and advisories
The share of 2021 Mercedes-Benz AMG hybrid MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Tyres25% of testsRough price £70–£150
At the viewing: Check the tread on all four tyres, including the inside edges, and look for cracks or bulges.
- Wipers, windscreen and mirrors5% of testsRough price £15–£250
At the viewing: Check for chips in the driver's view, and test the wipers and washers.
- Brakes4% of testsRough price £150–£350
At the viewing: Look for a lip on the disc edges and feel for judder or pulling when braking firmly from about 40mph.
- Seats and seatbelts3% of testsRough price £80–£250
At the viewing: Pull each seatbelt sharply. It should lock, and retract cleanly.
- Lights and electrics2% of testsRough price £10–£80
At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
- Steering1% of testsRough price £100–£450
At the viewing: On a straight road the steering wheel should sit straight. Feel for play or knocking when turning.
Questions to ask the seller before buying a 2021 Mercedes-Benz AMG hybrid
Ask before you travel to see it. A seller who knows the car will have answers, and receipts.
- Can I see the service history and receipts for any big jobs?
Looking at a Mercedes-Benz AMG?
Check the actual car: its own MOT history, mileage and what to ask the seller. Free, no sign-up.
Other years
Every year of the Mercedes-Benz AMG compared
| Year | MOT tests | Most flagged |
|---|---|---|
| 2026 | – | Too new for MOT data |
| 2025 | – | Too new for MOT data |
| 2024 | – | Too new for MOT data |
| 2023 | 288 | Tyres 14% |
| 2022 | 3,177 | Tyres 24% |
| 2020 | 3,820 | Tyres 24% |
| 2019 | 751 | Tyres 27% |
| 2018 | – | Too few tests |
| 2017 | – | Too few tests |
| 2016 | – | Too few tests |
| 2015 | – | Too few tests |
| 2014 | – | Too few tests |
Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Mercedes-Benz AMG cars first registered in 2021. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score