Common problems by part
Mercedes-Benz S-Class steering problems
DVSA MOT tests 2022–2025 · 10,214 MOT tests · Updated
At 6 years, 0.0 in 100 MOT tests of the Mercedes-Benz S-Class failed on steering, against 0.5 for all class 4 vehicles the same age (all test years; 10,214 MOT tests) [1].
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- Against all class 4 vehicles the same age: about average for all class 4 vehicles the same age (all test years), 2 MOT tests with a fail
- By age: seen at 20 ages from 4 to 23 years, 102,527 MOT tests
- MOT tests at 6 years: 10,214 for the Mercedes-Benz S-Class
Figures are for the model as a whole, not for one car.
What the MOT tests show
What we know
0.0 fails per 100 MOT tests at 6 years, against 0.5 for all class 4 vehicles tested at 6 (all test years). That is about average.
Why it matters
A steering fail stops the car passing until it is fixed.
What to check
With the engine running, turn the wheel lock to lock: listen for knocks or groans and feel for play at the straight-ahead position. On the drive the car should not wander.
Mercedes-Benz S-Class steering fails by age
| Age | MOT tests | Fails per 100 | All class 4 vehicles the same age |
|---|---|---|---|
| 4 | 6,757 | 0.0 | 0.2 |
| 5 | 8,358 | 0.0 | 0.3 |
| 6 | 10,214 | 0.0 | 0.5 |
| 7 | 9,775 | 0.1 | 0.8 |
| 8 | 9,073 | 0.0 | 1.2 |
| 9 | 7,642 | 0.1 | 1.8 |
| 10 | 6,202 | 0.2 | 2.1 |
| 11 | 4,903 | 0.2 | 2.5 |
| 12 | 4,192 | 0.7 | 2.8 |
| 13 | 4,061 | 0.5 | 2.9 |
| 14 | 3,924 | 0.6 | 3.2 |
| 15 | 4,369 | 0.8 | 3.3 |
| 16 | 4,557 | 1.0 | 3.4 |
| 17 | 4,001 | 1.4 | 3.6 |
| 18 | 3,665 | 1.4 | 3.9 |
| 19* | 3,100 | 1.8 | 4.1 |
| 20* | 2,470 | 2.3 | 4.2 |
| 21* | 2,170 | 1.7 | 4.2 |
| 22* | 1,776 | 2.4 | 4.0 |
| 23* | 1,318 | 1.9 | 3.9 |
All first-use years of the Mercedes-Benz S-Class pooled at each age, against all class 4 vehicles at that age over all 2022–2025 test years. * Only survivors are still tested at this age.
What fails in the steering at 6 years
Advisories (not fails)
- Play in steering rack inner joint(s): 0.5 advisories per 100 MOT tests, all class 4 vehicles 0.3. Play in steering rack inner joint(s) MOT advisory
Buying a Mercedes-Benz S-Class? Check that exact car before the viewing.
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- Model risks for this year and fuel
- What similar cars did at their next MOT
- Repairs ahead
- Viewing checklist
How to check on a test drive
With the engine running, turn the wheel lock to lock: listen for knocks or groans and feel for play at the straight-ahead position. On the drive the car should not wander.
The most common advisory here in MOT records: Play in steering rack inner joint(s).
Check one Mercedes-Benz S-Class, not the average
The figures here describe Mercedes-Benz S-Class cars as a group. These free tools answer for one car. Each line says what the tool reads.
- Check a Mercedes-Benz S-Class's MOT history Every MOT test, fail item, advisory and mileage reading DVSA holds for that registration.
- MOT advisory checker Paste an advisory or defect to read DVSA's wording, its grade and what tends to happen at the next MOT.
Other Mercedes-Benz S-Class problems
- Mercedes-Benz S-Class suspension problems
- Mercedes-Benz S-Class brakes problems
- Mercedes-Benz S-Class lights and electrics problems
- Mercedes-Benz S-Class body and structure problems
- Mercedes-Benz S-Class exhaust, emissions and leaks problems
- Mercedes-Benz S-Class seat belts and airbags problems
- Mercedes-Benz S-Class windscreen, wipers and mirrors problems
- Mercedes-Benz S-Class tyres problems
- Mercedes-Benz S-Class road wheels problems
Steering on rival models
- Mercedes-Benz C-Class steering problems: 0.1 per 100 MOT tests at 6 years, against 0.0 for the Mercedes-Benz S-Class (133,032 MOT tests)
- BMW 3 Series steering problems: 0.2 per 100 MOT tests at 6 years, against 0.0 for the Mercedes-Benz S-Class (114,167 MOT tests)
- Mercedes-Benz E-Class steering problems: 0.1 per 100 MOT tests at 6 years, against 0.0 for the Mercedes-Benz S-Class (88,280 MOT tests)
Questions people ask
Does the Mercedes-Benz S-Class have more steering problems than other cars?
0.0 in 100 MOT tests at 6 years, against 0.5 for all class 4 vehicles the same age: about average by our test (all test years; 10,214 MOT tests).
How common are Mercedes-Benz S-Class steering problems?
0.0 in 100 MOT tests at 6 years failed on steering, against 0.5 for all class 4 vehicles the same age (all test years; 10,214 MOT tests).
Sources
- Driver and Vehicle Standards Agency, Anonymised MOT tests and results, 2022 to 2025. DVSA MOT data, Open Government Licence v3.0, 107,268 MOT tests. Accessed 7 Oct 2026.
Parts: against all class 4 vehicles at the same age, all 2022–2025 test years pooled, not adjusted for mileage. Breakdowns and non-MOT faults are not in this data. How we compare