2022 Mercedes-Benz GLC: common problems and what to check
What gets flagged at MOT on 2022 Mercedes-Benz GLCs, from 7,144 tests in 2025, plus known faults and what to look at before you buy one.
What gets flagged at MOT
The share of 2022 Mercedes-Benz GLC MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Tyres26% 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.
- Brakes6% 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.
- 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.
- Seats and seatbelts2% of testsRough price £80–£250
At the viewing: Pull each seatbelt sharply. It should lock, and retract cleanly.
- Lights and electrics1% of testsRough price £10–£80
At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
- Suspension1% of testsRough price £120–£400
At the viewing: Listen for knocks over speed bumps, and look behind each front wheel for a snapped coil spring.
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Other years
| Year | MOT tests | Most flagged |
|---|---|---|
| 2021 | 6,537 | Tyres 25% |
| 2020 | 11,103 | Tyres 25% |
| 2019 | 17,168 | Tyres 26% |
| 2018 | 18,893 | Tyres 27% |
| 2017 | 12,478 | Tyres 27% |
| 2016 | 9,086 | Tyres 27% |
| 2015 | 1,312 | Tyres 26% |
Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2022 Mercedes-Benz GLCs registered in 2022. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score