2022 Mercedes-Benz GLA diesel: common problems and MOT failures
What MOT testers find on the diesel Mercedes-Benz GLA first registered in 2022 (diesel cars only): we looked at the 701 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.
Common 2022 Mercedes-Benz GLA diesel MOT failures and advisories
The share of 2022 Mercedes-Benz GLA diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Tyres21% 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.
- Brakes5% 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 mirrors3% of testsRough price £15–£250
At the viewing: Check for chips in the driver's view, and test the wipers and washers.
- Suspension3% 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.
- Oil and fluid leaks1% of testsRough price £80–£600
At the viewing: Look under the engine and on the ground where the car is usually parked for fresh oil or fluid.
- 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.
Questions to ask the seller before buying a 2022 Mercedes-Benz GLA diesel
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 GLA?
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 GLA 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 | 230 | Tyres 12% |
| 2021 | 17,796 | Tyres 22% |
| 2020 | 27,141 | Tyres 24% |
| 2019 | 49,802 | Tyres 29% |
| 2018 | 48,569 | Tyres 30% |
| 2017 | 38,012 | Tyres 30% |
| 2016 | 31,492 | Tyres 29% |
| 2015 | 26,269 | Tyres 29% |
| 2014 | 10,296 | Tyres 30% |
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 GLA cars first registered in 2022. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score