Mercedes-Benz C 300 Sport Edition De Auto
From 395 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, tyre tread depth not in accordance with the requirements and windscreen washers not working or not providing sufficient fluid to clear the windscreen. The top issue, a tyre seriously damaged, caused 14 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 | 14 |
| tyre tread depth not in accordance with the requirements | 13 |
| windscreen washers not working or not providing sufficient fluid to clear the windscreen | 6 |
| a tyre cords visible or damaged | 5 |
| number plate missing or so insecure that it is likely to fall off | 3 |
| wiper blade defective | 3 |
| the aim of a headlamp is not within limits laid down in the requirements | 3 |
| engine mil illuminated indicating a malfunction | 2 |
| excessive fluctuation in brake effort through each wheel revolution. | 2 |
| a tyre pressure monitoring system malfunctioning or obviously inoperative | 1 |
How serious are these failures?
Not all MOT failures are equal. 44.2% of failures are serious: 40.4% are safety issues (brakes, steering, tyre damage) and 3.8% 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 £70.
By registration year
| Year | Pass rate | Top failures |
|---|---|---|
| 2021 | 86.4% | a tyre seriously damaged, windscreen washers not working or not providing sufficient fluid to clear the windscreen |
| 2020 | 89.9% | tyre tread depth not in accordance with the requirements, a tyre seriously damaged |
Typical mileage
Half of all C 300 Sport Edition De Autos tested had between 37,158 and 63,837 miles on the clock.
At 46,256 median miles, the C 300 Sport Edition De Auto has 0.025 failures per 10,000 miles driven.
Other Mercedes-Benz models
Common questions
What is the Mercedes-Benz C 300 Sport Edition De Auto MOT pass rate?
The Mercedes-Benz C 300 Sport Edition De Auto has a 88.6% MOT pass rate based on 395 real MOT tests. This is above the national average.
What are common MOT failures on a Mercedes-Benz C 300 Sport Edition De Auto?
The most common MOT failure on the Mercedes-Benz C 300 Sport Edition De Auto is a tyre seriously damaged, which caused 14 failures. Other common issues include tyre tread depth not in accordance with the requirements.
What is the typical mileage of a Mercedes-Benz C 300 Sport Edition De Auto at MOT?
The median mileage at MOT for a Mercedes-Benz C 300 Sport Edition De Auto is 46,256 miles. The middle 50% of vehicles tested have between 37,158 and 63,837 miles.
Buying a used C 300 Sport Edition De 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.