MERCEDES-BENZ S-CLASS MOT pass rate
88.9% of 57,810 MERCEDES-BENZ S-CLASS MOT tests pass.
The S-CLASS passes its MOT 88.9% of the time — well above the average across all MERCEDES-BENZ models, which sits at 83.5%.
The MERCEDES-BENZ S-CLASS passes its MOT 88.9% of the time — well above the national average for cars, which sits at 79.2%.
Own this MERCEDES-BENZ S-CLASS?
This is the average across every MERCEDES-BENZ S-CLASS in the dataset. Look up your own registration for its actual MOT history, and a free place to keep its maintenance records.
How to check and keep your MERCEDES-BENZ’s service history →
Pass rate by vehicle age
Pass rate declines noticeably with age, from 93.9% at 0–3 years to 81.6% at 15+ years.
| Vehicle age | Pass rate | Tests | Average mileage |
|---|---|---|---|
| 0–3 years | 93.9% | 1,475 | 34,694 miles |
| 3–6 years | 94.8% | 9,930 | 66,715 miles |
| 6–10 years | 92.1% | 21,258 | 79,791 miles |
| 10–15 years | 86.6% | 10,415 | 107,029 miles |
| 15+ years | 81.6% | 14,732 | 114,247 miles |
Common MOT failure reasons for the MERCEDES-BENZ S-CLASS
The most common reason the MERCEDES-BENZ S-CLASS fails its MOT is tyres — present in 32.8% of failed tests, most often logged as "Tread depth below requirements of 1.6mm".
| Category | Share of failed tests | Example |
|---|---|---|
| Tyres | 32.8% | Tread depth below requirements of 1.6mm |
| Brakes | 32.5% | Excessively corroded |
| Suspension | 31.5% | Ball joint excessively worn |
| Lamps, reflectors and electrical equipment | 29.4% | Not working |
| Noise, emissions and leaks | 13.9% | Inoperative or indicates a malfunction |
| Visibility | 13.0% | Does not clear the windscreen effectively |
| Body, chassis, structure | 5.6% | System insecure |
| Seat belts and supplementary restraint systems | 5.0% | Warning lamp indicates a fault |
| Road Wheels | 4.2% | Fractured |
| Identification of the vehicle | 3.7% | Does not conform to the specified requirements |
Related MERCEDES-BENZ models
- MERCEDES-BENZ C-CLASS — 81.4% pass rate
- MERCEDES-BENZ A-CLASS — 85.3% pass rate
- MERCEDES-BENZ E-CLASS — 83.3% pass rate
- MERCEDES-BENZ GLA — 89.4% pass rate
- MERCEDES-BENZ GLC — 91.1% pass rate
- MERCEDES-BENZ CLA — 87.2% pass rate
Frequently asked questions
- What is the MOT pass rate for the MERCEDES-BENZ S-CLASS?
- 88.9% of MERCEDES-BENZ S-CLASS MOT tests pass, based on 57,810 tests in the DVSA anonymised MOT tests and results dataset.
- What are the most common MOT failures for the MERCEDES-BENZ S-CLASS?
- The most common reason the MERCEDES-BENZ S-CLASS fails its MOT is tyres — present in 32.8% of failed tests, most often logged as "Tread depth below requirements of 1.6mm".
- Does this show the MERCEDES-BENZ S-CLASS's service history?
- No — this is MOT test data, which covers roadworthiness, not servicing. A service history is a separate record of maintenance work, which a specific car only has if its owner has kept it. See the MERCEDES-BENZ service history guide for how to check and keep one.