Reliability report
Mercedes-Benz SLC reliability and common faults
Based on 8,096 roadworthiness tests, led by the UK MOT. Each country is compared only with its own average for cars of the same age.
🇬🇧 United Kingdom · MOT
13.6%
fail rate · average 17.4%
much better than average
8,096 MOT tests (DVSA)
Testing regimes differ from country to country – don’t compare the figures between countries; compare each one only with its own average. MOT data: contains public sector information licensed under the Open Government Licence v3.0.
Weak spots
What goes wrong on the Mercedes-Benz SLC
How often each area fails compared with the average car of the same age (vertical line = average, 100%). Red – more often than average.
Wheels
Plates and identification
Tyres
Suspension
Exhaust and emissions
Brakes
Lights and electrics
Seat belts and airbags
Visibility
Steering
Body and structure
Results by vehicle age
| Age | 🇬🇧 MOT fail rate | 🇳🇱 APK defects |
|---|---|---|
| 6–8 years | 13.3% avg 15.3% | — |
| 9–11 years | 14.5% avg 22.9% | — |
Mercedes-Benz SLC – FAQs
How reliable is the Mercedes-Benz SLC?+
In the UK the Mercedes-Benz SLC fails 13.6% of MOT tests, against an average of 17.4% for cars of the same age – much better than average.
What goes wrong most often on the Mercedes-Benz SLC?+
Compared with the average car of the same age, testers find faults more often in these areas: wheels.
More Mercedes-Benz models
Sources: anonymised MOT test results (DVSA) – contains public sector information licensed under the Open Government Licence v3.0; APK inspection defects (RDW, open data); Lithuanian roadworthiness test results (data.gov.lt). Initial tests only; retests are not counted. Photo: Calreyn88, CC BY-SA 4.0, Wikimedia Commons (licence).