Mercedes Benz 190 E MOT Failures
An analysis of 21,528 real DVSA MOT tests on the Mercedes Benz 190 E — what fails, how often, and how that compares to every other car on UK roads.
Where the Mercedes Benz 190 E fails its MOT
The single biggest MOT failure point on the Mercedes Benz 190 E is emissions failure — this model is 111 times more likely to fail on this item than the average car on UK roads. That makes it an extreme outlier for anyone buying or owning this model. Across 21,528 MOT tests, 3.02% of all Mercedes Benz 190 E tests recorded this as a failure.
Exhaust and emissions failures often point to catalytic converter degradation, lambda sensor faults, or — in diesel models — DPF problems. These can be expensive to fix and will cause an immediate MOT failure.
Other notable weak points include track rod ends worn (42x the fleet average), free play in the steering, measured at the rim ... (42x the fleet average), subframe bushes or mounts worn (15x the fleet average), and abs fault (11x the fleet average). These ratios compare the Mercedes Benz 190 E's failure rate on each item against the national average for all cars tested — a ratio of 10x means this model fails ten times more often than a typical car.
The failures span 4 categories: Exhaust & Emissions, Steering, Suspension, Bodywork. If you're inspecting a Mercedes Benz 190 E before purchase, these are the areas to focus on — and if any have been flagged as advisories on a previous MOT, they're likely to become failures in the near future.
How failures change with mileage
The Mercedes Benz 190 E's weak points shift as the car covers more miles. Understanding these patterns helps you know what to expect — and what to budget for — at each stage of ownership.
Under 60,000 miles
At this mileage, most failures are either design-related or caused by age rather than wear. Components like bushes and drop links may not have been replaced yet, and original-fit parts can deteriorate even on low-mileage cars that spend a lot of time sitting.
For the Mercedes Benz 190 E specifically, the DVSA data shows the most common failures at this mileage are suspension joint dust cover severely deteriorated (16x the average) and brake pipes corroded (6.2x). exhaust system damage (5.2x) and exhaust system damage also appear frequently.
60,000 to 100,000 miles
This is where routine wear items start to show up. Brake components, tyres, and exhaust parts have done serious work by this point. Cars that have been well serviced will show fewer of these failures — this mileage band is where good maintenance really separates the well-kept from the neglected.
For the Mercedes Benz 190 E specifically, the DVSA data shows the most common failures at this mileage are transmission shaft flexible coupling deteriorated (81x the average) and track rod ends worn (42x). electrical wiring fault (16x) and subframe bushes or mounts worn (15x) also appear frequently.
Over 100,000 miles
High-mileage cars accumulate failures across multiple systems. The key question isn't whether things will need doing — they will — but whether the car has been maintained well enough to keep on top of them. Look for a consistent service history and recent MOT passes with minimal advisories.
For the Mercedes Benz 190 E specifically, the DVSA data shows the most common failures at this mileage are emissions failure (111x the average) and anti-roll bar links worn (73x). free play in the steering, measured at the rim ... (42x) and track rod ends worn (40x) also appear frequently.
The shift from suspension joint dust cover severely deteriorated at lower mileages to emissions failure at higher mileages is typical — early failures tend to be design or factory-related, while high-mileage failures reflect accumulated mechanical wear. A car that's been well maintained will usually dodge the worst of both.
What to check before buying a Mercedes Benz 190 E
Based on the MOT failure data and known issues above, here's what to prioritise when inspecting a Mercedes Benz 190 E:
Exhaust & Emissions — check for emissions failure. Steering — check for track rod ends worn, free play in the steering, measured at the rim .... Suspension — check for subframe bushes or mounts worn, abs fault.
Always check the car's full MOT history for patterns — recurring advisories often become failures within 12 months. Enter any reg into our free car check to see the complete picture.
Looking at a specific Mercedes Benz 190 E?
Enter the reg to see its full MOT history, mileage records, write-off status, and finance checks.
Mercedes Benz 190 E MOT FAQs
What are the most common MOT failures on a Mercedes Benz 190 E?
Based on 21,528 DVSA MOT tests, the most common failure is emissions failure — at 111x the national fleet average. Other frequent failures include track rod ends worn and free play in the steering, measured at the rim ....
Is the Mercedes Benz 190 E reliable based on MOT data?
The Mercedes Benz 190 E has 17 categories where it fails more often than average. The main concern is emissions failure. Always check a specific car's full history before buying.
What MOT failures should I expect at high mileage?
Above 100,000 miles, the Mercedes Benz 190 E most commonly fails on emissions failure and anti-roll bar links worn. Under 60,000 miles, the main issues are suspension joint dust cover severely deteriorated and brake pipes corroded.
How do I check a Mercedes Benz 190 E's MOT history?
Enter the registration number into our free car check above. You'll see every MOT test result, advisories and failures, mileage readings, write-off status, and finance checks.
MOT failure data sourced from DVSA bulk test records via data.gov.uk. Ratios compare this model's failure rate against the national fleet average. Known issues sourced from manufacturer bulletins, specialist workshops, and verified owner reports.