Mercedes Ml 250
From 1,152 MOT tests. Above average for its class.
Common MOT failure categories
What goes wrong?
The most common MOT failure reasons are a spring or spring component fractured or seriously weakened, a wheel with a loose or missing wheel nut, bolt or stud and a transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc. The top issue, a spring or spring component fractured or seriously weakened, caused 56 failures in 2024. Checking tread depth (1.6mm legal minimum, 3mm recommended) before your test can save an unnecessary fail. You can check prices at Black Circles if you need replacements. If you need repairs before retesting, sites like BookMyGarage let you compare local prices.
| a spring or spring component fractured or seriously weakened | 56 |
| a wheel with a loose or missing wheel nut, bolt or stud | 20 |
| a transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc | 19 |
| engine mil illuminated indicating a malfunction | 17 |
| stop lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning | 12 |
| a direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning | 12 |
| a lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning | 11 |
| a tyre seriously damaged | 10 |
| a tyre cords visible or damaged | 9 |
| a headlamp or light source missing, inoperative or more than ½ not functioning in the case of led | 9 |
How serious are these failures?
Not all MOT failures are equal. 52.6% of Ml 250 failures could actually strand you: fractured springs, engine faults, exhaust problems. Another 10.9% are safety issues where the car still drives but shouldn't, such as worn brakes, corroded brake pipes, and steering wear. Breakdown cover may be worth considering for this model. When it does fail, the average repair bill is around £133.
By registration year
| Year | Pass rate | Top failures |
|---|---|---|
| 2012 | 87.3% | a spring or spring component fractured or seriously weakened, a wheel with a loose or missing wheel nut, bolt or stud |
Typical mileage
Half of all Ml 250s tested had between 55,972 and 77,625 miles on the clock.
At 55,972 median miles, the Ml 250 has 0.026 failures per 10,000 miles driven.
Other Mercedes models
Common questions
What is the Mercedes Ml 250 MOT pass rate?
The Mercedes Ml 250 has a 85.7% MOT pass rate based on 1,152 real MOT tests. This is above the national average.
What are common MOT failures on a Mercedes Ml 250?
The most common MOT failure on the Mercedes Ml 250 is a spring or spring component fractured or seriously weakened, which caused 56 failures. Other common issues include a wheel with a loose or missing wheel nut, bolt or stud.
What is the typical mileage of a Mercedes Ml 250 at MOT?
The median mileage at MOT for a Mercedes Ml 250 is 55,972 miles. The middle 50% of vehicles tested have between 55,972 and 77,625 miles.
Buying a used Ml 250?
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.
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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.