2019 Mercedes-Benz SLC · 3,091 MOT tests
2019 Mercedes-Benz SLC reliability
2019 Mercedes-Benz SLCs fail 7.7% of first MOT tests, 27% fewer MOT fails than the average car its age and mileage, ranking 2 of 5 SLC years (3,091 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Mercedes-Benz SLCs: 11.8%)
- 7.7%
- first-time fail rate (all Mercedes-Benz SLCs: 11.8%)
- fails than cars of the same age and mileage
- 27% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 4
- 17,222
- typical miles at its MOT, aged about 4
- MOT tests, 2022 to 2024
- 3,091
- MOT tests, 2022 to 2024
Year on year
2019 against the years either side
- 2018 cars: 22% fewer MOT fails than the average car its age (the 2019 car does better)
- 2020 cars: 31% fewer MOT fails than the average car its age (the 2019 car does worse)
- Weak spot: tyres, 5.3% of tests fail here (54% above cars of the same age and mileage).
- Strong point: lights and electrics, 51% fewer fails than comparable cars.
- Plates: a 2019 car carries a 68 plate (January–February 2019), or a 19 plate (March–August 2019), or a 69 plate (September–December 2019).
Common problems
What fails on a 2019 Mercedes-Benz SLC
Fail rate by area
- Tyres5.3%
- Lights and electrics1.1%
- Exhaust, emissions and leaks0.5%
- Brakes0.4%
- Number plates and VIN0.3%
- Windscreen, wipers and mirrors0.3%
- Suspension0.3%
Average for cars of the same age and mileage
Top failures
Tyre cut reaching ply or cords 1.55%
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 1.23%
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 0.45%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
Lambda reading outside specified limits 0.36%
An out-of-range lambda reading suggests poor fuel mixture or a failing catalytic converter, so diagnosis is needed.
Tyre bulge from structural failure 0.32%
A bulge means the tyre's structure has failed and it could burst suddenly, so it must be replaced at once.
Tyre pressure monitoring system faulty 0.32%
A faulty tyre pressure monitor cannot warn about low tyre pressure, so check tyres manually and have the fault diagnosed.
Common advisories
Tyre worn close to legal limit (8.38%) · Tyre slightly damaged or cracking (5.08%) · Tyre has a shallow cut (2.59%) · Wheel bearing slight play (1.49%) · Tyre worn close to legal limit (1.46%) · Tyre showing slight damage (1.13%)
Other years
Every Mercedes-Benz SLC year
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Source: DVSA anonymised MOT results, 2022 to 2024, class 4 normal tests.
Is a 2019 Mercedes-Benz SLC reliable?
2019 Mercedes-Benz SLCs fail 7.7% of first MOT tests, 27% fewer MOT fails than the average car its age and mileage, ranking 2 of 5 SLC years (3,091 DVSA tests, 2022 to 2024).
What fails on a 2019 Mercedes-Benz SLC MOT?
Most often tyre cut reaching ply or cords (1.55% of tests), tyre ply or cords exposed (1.23% of tests), tyre tread below 1.6mm (0.45% of tests).
How many miles should a 2019 Mercedes-Benz SLC have done?
At its MOT aged about 4, a typical 2019 Mercedes-Benz SLC shows 17,222 miles. Much higher or lower is worth asking about.
What plate is a 2019 car?
A car first registered in 2019 carries a 68 plate (January–February 2019), or a 19 plate (March–August 2019), or a 69 plate (September–December 2019).
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