Mercedes-Benz Cla 180 Amg Line Auto
From 501 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 tyre tread depth not in accordance with the requirements, a tyre seriously damaged and a brake lining or pad worn below 1.5mm. The top issue, tyre tread depth not in accordance with the requirements, caused 9 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.
| tyre tread depth not in accordance with the requirements | 9 |
| a tyre seriously damaged | 7 |
| a brake lining or pad worn below 1.5mm | 6 |
| windscreen washers not working or not providing sufficient fluid to clear the windscreen | 5 |
| a tyre cords visible or damaged | 3 |
| brake lining or pad worn down to wear indicator | 2 |
| a suspension pin, bush or joint excessively worn | 2 |
| a rear registration plate lamp or light source missing or inoperative in the case of a single lamp or all lamps | 2 |
| a spring or spring component fractured or seriously weakened | 1 |
| a wheel with a loose or missing wheel nut, bolt or stud | 1 |
How serious are these failures?
Not all MOT failures are equal. 50% of failures are serious: 47.4% are safety issues (brakes, steering, tyre damage) and 2.6% 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 £85.
By registration year
| Year | Pass rate | Top failures |
|---|---|---|
| 2021 | 92.5% | a tyre seriously damaged, windscreen washers not working or not providing sufficient fluid to clear the windscreen |
| 2020 | 87.6% | tyre tread depth not in accordance with the requirements, a brake lining or pad worn below 1.5mm |
Typical mileage
Half of all Cla 180 Amg Line Autos tested had between 22,837 and 35,885 miles on the clock. Relatively low mileage overall. Many are still fairly young.
At 30,656 median miles, the Cla 180 Amg Line Auto has 0.034 failures per 10,000 miles driven.
Other Mercedes-Benz models
Common questions
What is the Mercedes-Benz Cla 180 Amg Line Auto MOT pass rate?
The Mercedes-Benz Cla 180 Amg Line Auto has a 89.6% MOT pass rate based on 501 real MOT tests. This is above the national average.
What are common MOT failures on a Mercedes-Benz Cla 180 Amg Line Auto?
The most common MOT failure on the Mercedes-Benz Cla 180 Amg Line Auto is tyre tread depth not in accordance with the requirements, which caused 9 failures. Other common issues include a tyre seriously damaged.
What is the typical mileage of a Mercedes-Benz Cla 180 Amg Line Auto at MOT?
The median mileage at MOT for a Mercedes-Benz Cla 180 Amg Line Auto is 30,656 miles. The middle 50% of vehicles tested have between 22,837 and 35,885 miles.
Buying a used Cla 180 Amg Line Auto?
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.