Mercedes Hymer
From 539 MOT tests. Average for its class.
Common MOT failure categories
What goes wrong?
The most common MOT failure reasons are the aim of a headlamp is not within limits laid down in the requirements, an obligatory rear fog lamp missing, or a front or rear fog lamp inoperative or in the case of a multiple light source more than 1/2 not functioning and steering rack gaiter or ball joint dust cover missing or no longer prevents the ingress of dirt etc. The top issue, the aim of a headlamp is not within limits laid down in the requirements, caused 21 failures in 2024. If you need repairs before retesting, sites like BookMyGarage let you compare local prices.
| the aim of a headlamp is not within limits laid down in the requirements | 21 |
| an obligatory rear fog lamp missing, or a front or rear fog lamp inoperative or in the case of a multiple light source more than 1/2 not functioning | 18 |
| steering rack gaiter or ball joint dust cover missing or no longer prevents the ingress of dirt etc | 17 |
| significant brake effort recorded with no brake applied indicating a binding brake | 16 |
| a headlamp or light source missing, inoperative or more than ½ not functioning in the case of led | 14 |
| a suspension pin, bush or joint excessively worn | 12 |
| parking brake efficiency below minimum requirement | 11 |
| headlamp emitted colour, position or intensity not in accordance with the requirements | 9 |
| service brake efficiency below minimum requirement | 9 |
| brake pipe damaged or excessively corroded | 9 |
How serious are these failures?
Not all MOT failures are equal. 35.3% of failures are serious: 35.3% are safety issues (brakes, steering, tyre damage) and 0% could actually leave you stranded. That's close to the 44.4% average across all models. When it does fail, the average repair bill is around £77.
Mercedes Hymer on UK roads
The fleet is growing: 44 newly registered in the past year with 18 leaving, a net gain of 26. Currently at its highest numbers ever.
Quarterly breakdown
| Quarter | On road | SORN | New | Gone | Net |
|---|---|---|---|---|---|
| 2025 Q3 | 323 | 14 | +9 | -4 | +5 |
| 2025 Q2 | 324 | 8 | +18 | -12 | +6 |
| 2025 Q1 | 302 | 24 | +14 | -0 | +16 |
| 2024 Q4 | 284 | 26 | +3 | -2 | +1 |
| 2024 Q3 | 304 | 5 | +9 | -0 | +10 |
| 2024 Q2 | 295 | 4 | +18 | -0 | +32 |
| 2024 Q1 | 257 | 10 | +7 | -11 | -4 |
| 2023 Q4 | 252 | 19 | +3 | -2 | +1 |
Source: DfT vehicle licensing statistics, 2025 Q3. Crown copyright, OGL v3.0.
Typical mileage
Half of all Hymers tested had between 50,613 and 128,982 miles on the clock. A significant number are high-mileage vehicles.
At 83,013 median miles, the Hymer has 0.029 failures per 10,000 miles driven.
Other Mercedes models
| Mercedes Unclassified | 77.5% |
| Mercedes Ml 250 | 85.7% |
Common questions
What is the Mercedes Hymer MOT pass rate?
The Mercedes Hymer has a 75.7% MOT pass rate based on 539 real MOT tests. This is around the national average.
What are common MOT failures on a Mercedes Hymer?
The most common MOT failure on the Mercedes Hymer is the aim of a headlamp is not within limits laid down in the requirements, which caused 21 failures. Other common issues include an obligatory rear fog lamp missing, or a front or rear fog lamp inoperative or in the case of a multiple light source more than 1/2 not functioning.
How many Mercedes Hymers are on UK roads?
There are 323 Mercedes Hymers currently licensed on UK roads, with 14 on SORN.
What is the typical mileage of a Mercedes Hymer at MOT?
The median mileage at MOT for a Mercedes Hymer is 83,013 miles. The middle 50% of vehicles tested have between 50,613 and 128,982 miles.
Buying a used Hymer?
Start with the free tools. Look up the specific vehicle's MOT history on GOV.UK The mileage at each test will show if it's been wound back, and the advisory history tells you what's wearing. Cross-reference that against the typical failures above to see if anything looks unusual for this model.
The free data won't tell you about outstanding finance, theft markers, or write-off history. For that, you need a vehicle history check This is especially important on a private sale where you have fewer legal protections.
With a 75.7% pass rate and an average repair bill of £77 when things go wrong, budget accordingly.
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MOT data from DVSA anonymised test results, 2024 test year. Fleet data from DfT vehicle licensing statistics. Crown copyright, OGL v3.0. MOT pass rates are statistical summaries of test outcomes, not assessments of individual vehicle safety or condition. Always inspect a vehicle and check its full MOT history before purchasing. See terms of use.