Mercedes Benz 260 MOT Failures
An analysis of 402 real DVSA MOT tests on the Mercedes Benz 260 — what fails, how often, and how that compares to every other car on UK roads.
Where the Mercedes Benz 260 fails its MOT
The single biggest MOT failure point on the Mercedes Benz 260 is fluid leak — this model is 7.7 times more likely to fail on this item than the average car on UK roads. That makes it worth watching for anyone buying or owning this model. Across 402 MOT tests, 11.04% of all Mercedes Benz 260 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 brake hoses perished or damaged (6.1x the fleet average) and subframe bushes or mounts worn (5.0x the fleet average). These ratios compare the Mercedes Benz 260'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 3 categories: Exhaust & Emissions, Brakes, Suspension. If you're inspecting a Mercedes Benz 260 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.
What to check before buying a Mercedes Benz 260
Based on the MOT failure data and known issues above, here's what to prioritise when inspecting a Mercedes Benz 260:
Exhaust & Emissions — check for fluid leak. Brakes — check for brake hoses perished or damaged. Suspension — check for subframe bushes or mounts worn.
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 260?
Enter the reg to see its full MOT history, mileage records, write-off status, and finance checks.
Mercedes Benz 260 MOT FAQs
What are the most common MOT failures on a Mercedes Benz 260?
Based on 402 DVSA MOT tests, the most common failure is fluid leak — at 8x the national fleet average. Other frequent failures include brake hoses perished or damaged and subframe bushes or mounts worn.
Is the Mercedes Benz 260 reliable based on MOT data?
The Mercedes Benz 260 has 3 categories where it fails more often than average. The main concern is fluid leak. 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 260 most commonly fails on fluid leak and brake hoses perished or damaged. Under 60,000 miles, the main issues are .
How do I check a Mercedes Benz 260'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.