Dethleffs Common MOT Problems (2026)
Dethleffs models ranked by MOT fail rate, with typical issues to check for cars of each age and type. Based on 305 MOT tests (DVSA data for tests carried out in 2024, retests included).
Average Dethleffs MOT pass rate: 90%
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90%
Avg pass rate
10%
Avg fail rate
1
Models tested
Dethleffs MOT FAQ
What are the most common MOT problems on Dethleffs cars?
The most common MOT problems on Dethleffs cars vary by model and age, but typically include lighting defects, suspension wear, brake wear and tyre condition, which are the most common reasons for failure across all makes in DVSA's published MOT statistics. Older Dethleffs diesels are more prone to exhaust and emissions failures.
Which Dethleffs model is the most reliable?
None of the Dethleffs models in our data has enough MOT tests to rank. See the year-by-year figures on each model page.
What is the average MOT pass rate for Dethleffs?
The average MOT pass rate for Dethleffs is 90%, based on 305 MOT tests across 1 models (DVSA MOT data for tests in 2024, retests included). That means roughly 10% of MOT tests on Dethleffs cars ended in a fail.
Dethleffs Model Problem Guides
Typical issues to check, rough repair costs and year-by-year MOT pass rates for each Dethleffs model
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Enter any reg plate to see the individual MOT history, defects found, health score, and running cost estimate for that specific car.