Mercedes-Benz B180 Blue Efficiency Auto MOT Pass Rate
Overall pass rate across all manufacture years, based on 48 real MOT test results. Failure rate: 50.0%.
Data from official DVSA MOT testing records
Mercedes-Benz B180 Blue Efficiency Auto MOT Reliability Overview
The Mercedes-Benz B180 Blue Efficiency Auto is a rare vehicle in the UK, with 48 MOT test results recorded in our database spanning 0 manufacture years. It has an overall MOT pass rate of 50.0% and a failure rate of 50.0%, which is significantly below the UK average of approximately 37%.
Based on this data, the Mercedes-Benz B180 Blue Efficiency Auto earns a "Very Poor" reliability rating. The average Mercedes-Benz B180 Blue Efficiency Auto presents for MOT with approximately 44,436 miles on the clock.
The most common MOT failure for the Mercedes-Benz B180 Blue Efficiency Auto is Body, chassis, structure, affecting 12.5% of all tests. Body and structure failures include excessive corrosion, sharp edges, loose panels, and damage to the vehicle frame. Rust is the primary concern, especially on older vehicles or those exposed to road salt. Together, these top 1 failure categories account for a significant portion of all MOT failures for this model.
Top failures across all manufacture years combined. Individual year pages may show different top failures.
What Fails Most
* High Fail Rate badge indicates an MOT pass rate below 65% (failure rate above 35%).
What Fails on This Car?
Click a category to see specific failure items.
View as table
| Rank | Failure Category | Rate (%) | Count |
|---|---|---|---|
| 1 | Body, Chassis, Structure | 12.5% | 6 |
Failures per 10,000 Miles
avg. 44,436 miFor every 10,000 miles driven, this shows what percentage of MOT tests fail for each category. This accounts for how far cars are actually driven, not just raw pass/fail counts.
View as table
| Category | Rate / 10K mi | Raw % | Count |
|---|---|---|---|
| Body & Structure | 2.81 | 12.5% | 6 |
🚗 Similar Cars to Consider
Mileage at MOT
The average Mercedes-Benz B180 Blue Efficiency Auto has 44,436 miles when tested for MOT.
📊 Mileage-Adjusted Failure Rate
How often this car fails MOT relative to how much it's driven — a fairer comparison than raw pass rate.
The Mercedes-Benz B180 Blue Efficiency Auto has a mileage-adjusted failure rate of 11.25% per 10,000 miles driven. The average across all makes is 5.38%, so this model is worse than average.
About Mercedes-Benz B180 Blue Efficiency Auto MOT Data
The Mercedes-Benz B180 Blue Efficiency Auto is a rare vehicle in the UK, with 48 MOT test results recorded in our database spanning 0 manufacture years. It has an overall MOT pass rate of 50.0% and a failure rate of 50.0%, which is significantly below the UK average of approximately 37%.
For Mercedes-Benz B180 Blue Efficiency Auto owners, these results suggest above-average failure risk — thorough pre-MOT checks are recommended. Focus your pre-MOT checks on body, chassis, structure and general vehicle condition for the best chance of a first-time pass. Use our detailed year-by-year breakdown and failure analysis below to understand how your specific B180 Blue Efficiency Auto is likely to perform.
Body, chassis, structure — 12.5% of failures
Body, chassis, structure issues account for 12.5% of MOT failures on the Mercedes-Benz B180 Blue Efficiency Auto. Body and structure failures include excessive corrosion, sharp edges, loose panels, and damage to the vehicle frame. Rust is the primary concern, especially on older vehicles or those exposed to road salt. Typical repair costs: £100–500+. Pre-MOT check: Inspect sills, wheel arches, door bottoms, and the chassis for rust. Surface rust is acceptable but structural corrosion or holes will fail. Check that all doors, bonnet, and boot close securely.
Frequently Asked Questions
What is the MOT pass rate for the Mercedes-Benz B180 Blue Efficiency Auto?
Based on 48 (based on limited data) MOT tests in our database, the Mercedes-Benz B180 Blue Efficiency Auto has an overall pass rate of 50.0% (50.0% fail rate).
What are the most common MOT failures on a Mercedes-Benz B180 Blue Efficiency Auto?
The top 1 reasons a Mercedes-Benz B180 Blue Efficiency Auto fails its MOT are: 1. Body, chassis, structure (12.5%). Check these areas before booking your MOT.
Is the Mercedes-Benz B180 Blue Efficiency Auto reliable?
With a 50.0% MOT failure rate, the B180 Blue Efficiency Auto is less reliable than average compared to the UK average of ~40%.
What should I check before an MOT on my Mercedes-Benz B180 Blue Efficiency Auto?
Based on failure data, focus on: Body, chassis, structure (12.5%). These are the areas most likely to cause a fail. Also check all lights, tyres (minimum 1.6mm tread), and windscreen condition — these are quick wins that apply to all cars.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.