2015 Mercedes-Benz SLK · 18,818 MOT tests
2015 Mercedes-Benz SLK reliability
2015 Mercedes-Benz SLKs fail 15.9% of first MOT tests, 22% fewer MOT fails than the average car its age and mileage, ranking 9 of 20 SLK years (18,818 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Mercedes-Benz SLKs: 25.9%)
- 15.9%
- first-time fail rate (all Mercedes-Benz SLKs: 25.9%)
- fails than cars of the same age and mileage
- 22% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 8
- 42,078
- typical miles at its MOT, aged about 8
- MOT tests, 2022 to 2024
- 18,818
- MOT tests, 2022 to 2024
Year on year
2015 against the years either side
- 2014 cars: 24% fewer MOT fails than the average car its age (the 2015 car does worse)
- 2016 cars: 24% fewer MOT fails than the average car its age (the 2015 car does worse)
- Weak spot: tyres, 7.3% of tests fail here (41% above cars of the same age and mileage).
- Strong point: windscreen, wipers and mirrors, 72% fewer fails than comparable cars.
- Plates: a 2015 car carries a 64 plate (January–February 2015), or a 15 plate (March–August 2015), or a 65 plate (September–December 2015).
Common problems
What fails on a 2015 Mercedes-Benz SLK
Fail rate by area
- Tyres7.3%
- Suspension5.3%
- Lights and electrics2.2%
- Brakes1.8%
- Exhaust, emissions and leaks1.1%
- Windscreen, wipers and mirrors1%
- Wheels0.3%
Average for cars of the same age and mileage
Top failures
Coil spring fractured or broken 2.28%
A broken coil spring can leave the car sitting low or unstable, so it must be replaced before driving.
Tyre ply or cords exposed 2.02%
Exposed ply or cords can let the tyre fail suddenly, so the tyre must be replaced before the car is driven.
Tyre tread below 1.6mm 1.74%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
Tyre cut reaching ply or cords 1.31%
A cut reaching the ply or cords weakens the tyre and can cause a burst, so it must be replaced.
Headlamp aim set too low 0.74%
Headlamps aimed too low light the road poorly and reduce the driver's view ahead, especially at night.
ABS warning lamp shows a fault 0.64%
A lit ABS warning means the anti-lock system may not work, so wheels could lock during emergency braking.
Common advisories
Tyre worn close to legal limit (12.39%) · Tyre slightly damaged or cracking (5.06%) · Brake disc pitted or scored (4.45%) · Brake pads wearing thin (2.9%) · Wheel bearing slight play (2.19%) · Brake discs showing some wear (2.07%)
Other years
Every Mercedes-Benz SLK year
The full picture: Mercedes-Benz SLK reliability. Before you pay for any Mercedes-Benz SLK, 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 2015 Mercedes-Benz SLK reliable?
2015 Mercedes-Benz SLKs fail 15.9% of first MOT tests, 22% fewer MOT fails than the average car its age and mileage, ranking 9 of 20 SLK years (18,818 DVSA tests, 2022 to 2024).
What fails on a 2015 Mercedes-Benz SLK MOT?
Most often coil spring fractured or broken (2.28% of tests), tyre ply or cords exposed (2.02% of tests), tyre tread below 1.6mm (1.74% of tests).
How many miles should a 2015 Mercedes-Benz SLK have done?
At its MOT aged about 8, a typical 2015 Mercedes-Benz SLK shows 42,078 miles. Much higher or lower is worth asking about.
What plate is a 2015 car?
A car first registered in 2015 carries a 64 plate (January–February 2015), or a 15 plate (March–August 2015), or a 65 plate (September–December 2015).
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