2017 Mercedes-Benz A-Class · 153,218 MOT tests
2017 Mercedes-Benz A-Class reliability
2017 Mercedes-Benz A-Classs fail 16.7% of first MOT tests, 10% fewer MOT fails than the average car its age and mileage, ranking 9 of 22 A-Class years (153,218 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Mercedes-Benz A-Classs: 20.6%)
- 16.7%
- first-time fail rate (all Mercedes-Benz A-Classs: 20.6%)
- fails than cars of the same age and mileage
- 10% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 6
- 48,790
- typical miles at its MOT, aged about 6
- MOT tests, 2022 to 2024
- 153,218
- MOT tests, 2022 to 2024
Year on year
2017 against the years either side
- 2016 cars: 13% fewer MOT fails than the average car its age (the 2017 car does worse)
- 2018 cars: 10% fewer MOT fails than the average car its age (the 2017 car does worse)
- Weak spot: tyres, 7.6% of tests fail here (35% above cars of the same age and mileage).
- Strong point: suspension, 44% fewer fails than comparable cars.
- Plates: a 2017 car carries a 66 plate (January–February 2017), or a 17 plate (March–August 2017), or a 67 plate (September–December 2017).
Common problems
What fails on a 2017 Mercedes-Benz A-Class
Fail rate by area
- Tyres7.6%
- Lights and electrics3.2%
- Windscreen, wipers and mirrors3.1%
- Brakes2.6%
- Suspension1.8%
- Exhaust, emissions and leaks1.3%
- Wheels0.6%
Average for cars of the same age and mileage
Top failures
Tyre tread below 1.6mm 1.96%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
Tyre cut reaching ply or cords 1.39%
A cut reaching the ply or cords weakens the tyre and can cause a burst, so it must be replaced.
Tyre ply or cords exposed 1.34%
Exposed ply or cords can let the tyre fail suddenly, so the tyre must be replaced before the car is driven.
Windscreen washer fluid insufficient 1.24%
Washers are not supplying enough liquid, so the windscreen cannot be cleared properly, which is a safety issue.
Brake pads worn below 1.5mm 1.22%
Pads worn below 1.5mm lose stopping power and can damage discs, so replacement is needed before the car is driven.
Tyre bulge from structural failure 1.01%
A bulge means the tyre's structure has failed and it could burst suddenly, so it must be replaced at once.
Common advisories
Tyre worn close to legal limit (12.97%) · Tyre slightly damaged or cracking (8.1%) · Brake pads wearing thin (6.69%) · Brake disc pitted or scored (5.2%) · Brake discs showing some wear (2.92%) · Tyre has a shallow cut (1.8%)
Other years
Every Mercedes-Benz A-Class year
The full picture: Mercedes-Benz A-Class reliability. Before you pay for any Mercedes-Benz A-Class, a Full Check (£9.99) shows finance, stolen and write-off records the MOT can't.
Source: DVSA anonymised MOT results, 2022 to 2024, class 4 normal tests.
Is a 2017 Mercedes-Benz A-Class reliable?
2017 Mercedes-Benz A-Classs fail 16.7% of first MOT tests, 10% fewer MOT fails than the average car its age and mileage, ranking 9 of 22 A-Class years (153,218 DVSA tests, 2022 to 2024).
What fails on a 2017 Mercedes-Benz A-Class MOT?
Most often tyre tread below 1.6mm (1.96% of tests), tyre cut reaching ply or cords (1.39% of tests), tyre ply or cords exposed (1.34% of tests).
How many miles should a 2017 Mercedes-Benz A-Class have done?
At its MOT aged about 6, a typical 2017 Mercedes-Benz A-Class shows 48,790 miles. Much higher or lower is worth asking about.
What plate is a 2017 car?
A car first registered in 2017 carries a 66 plate (January–February 2017), or a 17 plate (March–August 2017), or a 67 plate (September–December 2017).
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