Mercedes Horsebox MOT Pass Rate
Overall pass rate across all manufacture years, based on 34 real MOT test results. Failure rate: 41.2%.
Data from official DVSA MOT testing records
Mercedes Horsebox MOT Reliability Overview
The Mercedes Horsebox is a rare vehicle in the UK, with 34 MOT test results recorded in our database spanning 0 manufacture years. It has an overall MOT pass rate of 58.8% and a failure rate of 41.2%, which is slightly below the UK average of approximately 37%.
Based on this data, the Mercedes Horsebox earns a "Below Average" reliability rating. The average Mercedes Horsebox presents for MOT with approximately 143,940 miles on the clock.
The most common MOT failure for the Mercedes Horsebox is Brakes, affecting 58.8% of all tests. Brake-related failures include worn brake pads, corroded brake discs, leaking brake lines, and faulty brake servos. These are safety-critical components — any brake deficiency will result in an MOT fail. The second most common issue is Driver's View of the Road at 23.5%. Steering rounds out the top three at 20.6%. Together, these top 3 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 | Brakes | 64.7% | 22 |
| 2 | Lamps, Reflectors And Electrical Equipment | 32.4% | 11 |
| 3 | Driver's View Of The Road | 29.4% | 10 |
| 4 | Steering | 23.5% | 8 |
| 5 | Body, Structure And General Items | 23.5% | 8 |
| 6 | Suspension | 20.6% | 7 |
| 7 | Exhaust, Fuel And Emissions | 14.7% | 5 |
| 8 | Items Not Tested | 8.8% | 3 |
| 9 | Tyres | 5.9% | 2 |
| 10 | Noise, Emissions And Leaks | 2.9% | 1 |
| 11 | Visibility | 2.9% | 1 |
| 12 | Body, Chassis, Structure | 2.9% | 1 |
| 13 | Registration Plates And Vin | 2.9% | 1 |
| 14 | Non-component Advisories | 2.9% | 1 |
Failures per 10,000 Miles
avg. 143,940 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 |
|---|---|---|---|
| Brakes | 4.50 | 64.7% | 22 |
| Lamps & Electrical | 2.25 | 32.4% | 11 |
| Visibility | 2.24 | 32.3% | 11 |
| Body & Structure | 1.83 | 26.4% | 9 |
| Steering | 1.63 | 23.5% | 8 |
| Suspension | 1.43 | 20.6% | 7 |
| Emissions & Exhaust | 1.02 | 14.7% | 5 |
| Items Not Tested | 0.61 | 8.8% | 3 |
| Tyres | 0.41 | 5.9% | 2 |
| Noise, emissions and leaks | 0.20 | 2.9% | 1 |
| Registration Plates and VIN | 0.20 | 2.9% | 1 |
| Non-component advisories | 0.20 | 2.9% | 1 |
🚗 Similar Cars to Consider
Mileage at MOT
The average Mercedes Horsebox has 143,940 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 Horsebox has a mileage-adjusted failure rate of 2.86% per 10,000 miles driven. The average across all makes is 5.38%, so this model is better than average.
About Mercedes Horsebox MOT Data
The Mercedes Horsebox is a rare vehicle in the UK, with 34 MOT test results recorded in our database spanning 0 manufacture years. It has an overall MOT pass rate of 58.8% and a failure rate of 41.2%, which is slightly below the UK average of approximately 37%.
For Mercedes Horsebox owners, these results suggest average reliability — some preparation before MOT can improve pass chances. Focus your pre-MOT checks on brakes and driver's view of the road 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 Horsebox is likely to perform.
Brakes — 58.8% of failures
Brakes issues account for 58.8% of MOT failures on the Mercedes Horsebox. Brake-related failures include worn brake pads, corroded brake discs, leaking brake lines, and faulty brake servos. These are safety-critical components — any brake deficiency will result in an MOT fail. Typical repair costs: £150–400. Pre-MOT check: Listen for squealing or grinding noises. Check brake pedal feel — if it feels spongy or goes to the floor, have the system inspected immediately. Look at brake pad thickness through the wheel spokes (minimum 3mm).
Driver's View of the Road — 23.5% of failures
Driver's View of the Road issues account for 23.5% of MOT failures on the Mercedes Horsebox. Driver's View of the Road issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. Typical repair costs: £100–400. Pre-MOT check: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights.
Steering — 20.6% of failures
Steering issues account for 20.6% of MOT failures on the Mercedes Horsebox. Steering failures include excessive play in the steering wheel, leaking power steering fluid, worn track rod ends, and damaged steering rack. These affect vehicle control and are closely related to suspension wear. Typical repair costs: £150–600. Pre-MOT check: Check for excessive steering wheel play (more than a few inches of free movement). Listen for whining from the power steering pump. Look for fluid leaks under the car near the front wheels.
Frequently Asked Questions
What is the MOT pass rate for the Mercedes Horsebox?
Based on 34 (based on limited data) MOT tests in our database, the Mercedes Horsebox has an overall pass rate of 58.8% (41.2% fail rate).
What are the most common MOT failures on a Mercedes Horsebox?
The top 3 reasons a Mercedes Horsebox fails its MOT are: 1. Brakes (58.8%), 2. Driver's View of the Road (23.5%), 3. Steering (20.6%). Check these areas before booking your MOT.
Is the Mercedes Horsebox reliable?
With a 41.2% MOT failure rate, the Horsebox is about average compared to the UK average of ~40%.
What should I check before an MOT on my Mercedes Horsebox?
Based on failure data, focus on: Brakes (58.8%); Driver's View of the Road (23.5%); Steering (20.6%). 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.