Mercedes Common MOT Problems (2026)
Every Mercedes model ranked by MOT fail rate, with the most common issues identified for each. Based on 3,630,237 real MOT tests.
Average Mercedes MOT pass rate: 87%
Check Your Mercedes's MOT History
See the specific issues found on your car, plus health score and running cost estimates.
87%
Avg pass rate
13%
Avg fail rate
364
Models tested
Mercedes Models with the Most MOT Problems
Highest average fail rates across all tested years
| # | Model | Fail Rate | Common Issues | |
|---|---|---|---|---|
| 1 | Mercedes Sprinter 314 Premium Cdi | 35% | Turbo issues, Brake wear, Suspension | |
| 2 | Mercedes E300amgln Nt Ed Prm+d Mhev4m A | 33% | Brake wear, Suspension | |
| 3 | Mercedes 310 | 30% | DPF/emissions, Injector wear, Turbo issues | |
| 4 | Mercedes C250 | 29% | DPF/emissions, Injector wear, Suspension wear | |
| 5 | Mercedes 412 D | 28% | DPF/emissions, Injector wear, Turbo issues |
Most Reliable Mercedes Models
Lowest average fail rates; the Mercedes models least likely to have MOT problems
All Mercedes Models by Fail Rate
Every Mercedes model and year combination, sorted by fail rate (highest first)
| Model | Year | Pass Rate | Fail Rate | |
|---|---|---|---|---|
| V | 1997 | 52% | 48% | |
| V | 2000 | 61% | 38% | |
| 208 D | 1992 | 61% | 37% | |
| Sprinter 314 Premium Cdi | 2021 | 63% | 35% | |
| 200 | 1990 | 65% | 35% | |
| V | 1998 | 64% | 34% | |
| V | 2003 | 66% | 34% | |
| Unclassified | 1996 | 66% | 34% | |
| Unclassified | 1997 | 66% | 34% | |
| 310 | 1995 | 66% | 34% | |
| Vito | 1998 | 66% | 33% | |
| Vito | 1997 | 66% | 33% | |
| 312 | 1997 | 63% | 33% | |
| E300amgln Nt Ed Prm+d Mhev4m A | 2022 | 67% | 33% | |
| A-class | 1999 | 68% | 32% | |
| Vito | 1999 | 67% | 32% | |
| Vaneo | 2005 | 66% | 32% | |
| A-class | 2002 | 70% | 30% | |
| Vito | 2002 | 67% | 30% | |
| A-class | 2000 | 69% | 30% | |
| 208 D | 1999 | 67% | 30% | |
| Hymer | 1993 | 70% | 30% | |
| Vaneo | 2006 | 69% | 30% | |
| 208 D | 1991 | 69% | 30% | |
| Vito | 2004 | 68% | 29% | |
| Vito | 2003 | 69% | 29% | |
| V | 1999 | 71% | 29% | |
| 320 | 2009 | 71% | 29% | |
| 308 D | 1998 | 68% | 29% | |
| C250 | 2011 | 71% | 29% | |
| B-class | 2008 | 71% | 28% | |
| Vito | 2005 | 69% | 28% | |
| A-class | 2004 | 71% | 28% | |
| A-class | 2003 | 71% | 28% | |
| Sprinter | 1998 | 72% | 28% | |
| Sprinter | 1999 | 72% | 28% | |
| Sprinter | 1996 | 68% | 28% | |
| C 320 | 2004 | 72% | 28% | |
| 208 D | 1998 | 70% | 28% | |
| A-class | 1998 | 72% | 28% | |
| 320 | 2005 | 72% | 28% | |
| Ml | 1998 | 72% | 28% | |
| 412 D | 1997 | 72% | 28% | |
| A 200 | 2008 | 72% | 28% | |
| C | 2004 | 72% | 27% | |
| A-class | 2006 | 72% | 27% | |
| B-class | 2007 | 72% | 27% | |
| Clc | 2008 | 72% | 27% | |
| B-class | 2006 | 71% | 27% | |
| Citan | 2013 | 72% | 27% |
Showing top 50 of 1160 model/year combinations. View all Mercedes models
Mercedes MOT FAQ
What are the most common MOT problems on Mercedes cars?
The most common MOT problems on Mercedes cars vary by model and age, but typically include lighting defects, suspension wear, brake component deterioration, and tyre condition issues. Older Mercedes diesels are more prone to exhaust and emissions failures. The Sprinter 314 Premium Cdi has the highest average fail rate at 35%.
Which Mercedes model is the most reliable?
The most reliable Mercedes model in our data is the Sl 500 Grand Edition Premium A with an average MOT pass rate of 100%. View all Mercedes models for full reliability data.
What is the average MOT pass rate for Mercedes?
The average MOT pass rate for Mercedes is 87%, based on 3,630,237 MOT tests across 364 models. This means about 13% of Mercedes cars fail their MOT on the first attempt.
Check a Specific Mercedes
Enter any reg plate to see the individual MOT history, defects found, health score, and running cost estimate for that specific car.