Explore common problems, estimated repair costs and practical checks for the 2011 Mercedes-Benz C-Class 6.2 Petrol Automatic W204. Use this guide to help assess a used car, then unlock a personalised report for the exact vehicle you're considering.
Ticking at idle or a metallic rattle for a few seconds on start-up, sometimes followed by rougher running as wear gets worse.
Start it from cold if possible, then restart it again after a full warm-up and let it idle quietly with the bonnet open.
£5,000
A metallic rattle for a few seconds on start-up, often more obvious on a warm restart.
After a proper drive, switch off for a few minutes and restart it while standing outside by the front wings.
£2,500
May have no obvious symptoms before failure; sometimes found during underside inspection, with knocks or rear-end looseness only appearing later.
This usually needs the car raised and properly examined because the corrosion can progress internally before it is obvious.
£3,500
It can be, but only if the individual car backs it up. For the 2011 Mercedes-Benz C-Class 6.2 Petrol Automatic W204, treat model-level patterns as viewing priorities and let condition, history and inspection evidence decide.
The problem cards above list the model-level checks for this guide. Read them as priorities for inspection and paperwork review, not proof that every example will have those faults.
Look for evidence, not just assurances: MOT advisories, service history, repair invoices, warning lights, fluid leaks, tyre and brake condition, and how the car behaves on a proper test drive. And of course, look at your personalised Should I Buy This Car? report, outlining a full list of common issues in detail, a personalised road test, a plain-English explanation and a MotorIQ score.
The guide above gives you the model-level pattern. A personalised MotorIQ report checks the registration-specific record and turns it into an ownership view before you commit.
Or enter the vehicle manually