Mercedes-Benz G-Class
From 4,605 MOT tests. Above average for its class.
Common MOT failure categories
Pass rate by registration year
What goes wrong?
The most common MOT failure reasons are a tyre seriously damaged, number plate does not conform to the specified requirements and tyre tread depth not in accordance with the requirements. The top issue, a tyre seriously damaged, caused 54 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 tyre seriously damaged | 54 |
| number plate does not conform to the specified requirements | 40 |
| tyre tread depth not in accordance with the requirements | 30 |
| a tyre cords visible or damaged | 15 |
| the aim of a headlamp is not within limits laid down in the requirements | 13 |
| a suspension pin, bush or joint excessively worn | 9 |
| engine mil illuminated indicating a malfunction | 9 |
| a brake lining or pad worn below 1.5mm | 9 |
| steering rack gaiter or ball joint dust cover missing or no longer prevents the ingress of dirt etc | 8 |
| wiper blade defective | 6 |
By registration year
| Year | Pass rate | Top failures |
|---|---|---|
| 2021 | 95.8% | a tyre seriously damaged, tyre tread depth not in accordance with the requirements |
| 2020 | 95.4% | number plate does not conform to the specified requirements, a tyre seriously damaged |
| 2019 | 94.5% | a tyre seriously damaged, tyre tread depth not in accordance with the requirements |
| 2018 | 98.2% | the aim of a headlamp is not within limits laid down in the requirements, front or rear fog lamp emitted colour, position or intensity not in accordance with the requirements |
Typical mileage
Half of all G-Classs tested had between 17,403 and 48,905 miles on the clock. Relatively low mileage overall. Many are still fairly young.
At 34,557 median miles, the G-Class has 0.014 failures per 10,000 miles driven.
Other Mercedes-Benz models
Common questions
What is the Mercedes-Benz G-Class MOT pass rate?
The Mercedes-Benz G-Class has a 95.2% MOT pass rate based on 4,605 real MOT tests. This is above the national average.
What are common MOT failures on a Mercedes-Benz G-Class?
The most common MOT failure on the Mercedes-Benz G-Class is a tyre seriously damaged, which caused 54 failures. Other common issues include number plate does not conform to the specified requirements.
What is the typical mileage of a Mercedes-Benz G-Class at MOT?
The median mileage at MOT for a Mercedes-Benz G-Class is 34,557 miles. The middle 50% of vehicles tested have between 17,403 and 48,905 miles.
Buying a used G-Class?
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.