Mercedes-Benz MOT pass rate
Mercedes-Benz has a pass rate of 83.5%, a little higher than the national average for cars (79.2%). This is based on 3,130,938 MOT tests across 49 Mercedes-Benz models with enough test volume to report on.
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Models
| Model | Pass rate | Tests |
|---|---|---|
| C-Class | 81.4% | 665,618 |
| A-Class | 85.3% | 629,532 |
| E-Class | 83.3% | 440,994 |
| Gla | 89.4% | 153,628 |
| GLC | 91.1% | 152,777 |
| Cla | 87.2% | 128,314 |
| Vito | 75.2% | 128,142 |
| B-Class | 79.0% | 110,551 |
| SLK | 78.9% | 105,495 |
| Gle | 91.9% | 67,038 |
| ML | 80.7% | 61,484 |
| S-Class | 88.9% | 57,810 |
| CLK | 71.1% | 48,456 |
| SL | 88.1% | 47,078 |
| CLS | 81.0% | 45,578 |
| Sprinter | 76.9% | 37,612 |
| Citan | 72.0% | 26,313 |
| V-Class | 87.1% | 25,446 |
| SLC | 89.8% | 16,664 |
| Eqc | 88.9% | 14,986 |
| CLC | 65.4% | 13,231 |
| GLB | 93.4% | 12,441 |
| G-Class | 92.7% | 9,320 |
| X-Class | 88.2% | 9,292 |
| Viano | 74.6% | 8,993 |
| Eqa | 91.6% | 8,615 |
| 300 | 81.3% | 7,450 |
| GL | 87.0% | 7,305 |
| 190 | 77.5% | 6,748 |
| CL | 84.0% | 6,217 |
| GLS | 91.1% | 6,070 |
| GT | 96.6% | 4,830 |
| R-Class | 81.4% | 4,406 |
| Citan 109 Pure CDI | 78.4% | 2,896 |
| 500 | 87.0% | 2,454 |
| 230 | 77.9% | 1,891 |
| 280 | 82.2% | 1,840 |
| 420 | 84.1% | 1,556 |
| 220 | 78.9% | 1,444 |
| Eqv | 89.4% | 1,444 |
| S 350 L Grand | 93.2% | 1,385 |
| Vito 114 Progressive CDI | 77.4% | 1,323 |
| Eqe | 97.6% | 1,277 |
| Hymer | 85.0% | 1,257 |
| Vito 110 Progressive CDI | 74.2% | 1,222 |
| 200 | 78.0% | 1,176 |
| Motorhome | 76.8% | 1,137 |
| 320 | 77.8% | 1,056 |
| 208 | 67.6% | 1,005 |
Top failure reasons across Mercedes-Benz
| Category | Share of failed tests | Example |
|---|---|---|
| Suspension | 35.5% | Ball joint excessively worn |
| Lamps, reflectors and electrical equipment | 33.7% | Not working |
| Tyres | 33.4% | Tread depth below requirements of 1.6mm |
| Brakes | 32.4% | Excessively corroded |
| Visibility | 12.3% | Does not clear the windscreen effectively |
| Noise, emissions and leaks | 10.7% | Inoperative or indicates a malfunction |
| Body, chassis, structure | 6.7% | Constant velocity boot split or insecure, no longer prevents the ingress of dirt |
| Seat belts and supplementary restraint systems | 4.0% | Warning lamp indicates a fault |
| Road Wheels | 3.2% | Fixing missing |
| Steering | 2.9% | Ball joint has excessive play |