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Mercedes-benz C-class W206
Common Car Problems, MOT Failures & Pass Rate Data

42 MOT failure types8K MOT tests analysed2021–2025

Sources: DVSA MOT Test Data + owner-submitted problems

At a Glance

No model-specific problems have been flagged for the Mercedes-benz C-class W206 — nothing on this generation occurs significantly more often than the UK average. The data still shows 42 common MOT failure types below. Tyres & Wheels is the most common MOT failure category. Based on 8K MOT tests from DVSA data.

Problems are patterns in the DVSA data that occur significantly more often on this model than the UK average — confirmed at 99% statistical confidence. Read how we calculate MOT pass rates and problems →

Below: the full MOT-data picture for the Mercedes-benz C-class W206 — MOT pass rate vs the UK average, common problems vs UK fleet patterns, the most likely MOT failures by frequency, fault occurrence by mileage band, and pass/fail trends. All numbers drawn from DVSA records.

Mercedes-benz C-class W206 MOT Pass Rate

Across 8K MOT tests from DVSA data, the Mercedes-benz C-class W206 (2021–2025) has a fail rate of 13.0%.

UK average fail rate (2021–2024): 28.8%

7K passed1K failed

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Problems by mileage

Common problems, MOT failures and advisories on the Mercedes-benz C-class W206, grouped by the mileage they typically appear at.

92 distinct problems · 4,976 total occurrences in current filter

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Advisory items are MOT tester observations. Frequency can be influenced by driving style and usage patterns.

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Other Mercedes-benz C-class Generations

Frequently Asked Questions

What are the most common Mercedes-benz C-class W206 problems?

Based on DVSA MOT data for the Mercedes-benz C-class W206 (2021–2025), we have identified 0 common problems. Tyres & Wheels is the most common MOT failure category.

How reliable is the Mercedes-benz C-class W206?

This generation has 8K MOT tests on record with a 13.0% fail rate. A fault is flagged as a "Common Problem" only when it occurs significantly more often on this model than the UK average, confirmed at 99% statistical confidence.

What commonly fails the MOT on a Mercedes-benz C-class W206?

There are 42 distinct MOT failure types recorded for the W206 (2021–2025), grouped by the mileage these failures typically occur. See the Common MOT Failures section on this page.

Can I report a problem with my Mercedes-benz C-class W206?

Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Mercedes-benz C-class owners spot problems early. All submissions are reviewed before being added to the public database.

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