Common Problems with the
2010–2012 Mercedes-Benz CLS (C218)

We've identified 2 known issues that can affect the 2010–2012 Mercedes-Benz CLS (C218). 1 of these are serious faults that could be expensive to repair.

Known Issues

Serious

Moderate

Minor

The 2010–2012 period has an average number of reported issues compared to other Mercedes-Benz CLS (C218) year periods.

All Known Issues

Airmatic air suspension leaks

SeriousSuspension & Chassis

Air springs leak and compressors wear out, causing the car to sag on one corner and throw suspension warnings.

Most affected: Models with Airmatic

Estimated cost: £800–£2,000Affects: 2010–2018Often appears around: 60,000–120,000 miles

Typical symptoms

•One corner sits low
•Suspension warning light
•Noisy compressor

What to inspect before you buy

✓Check ride height after overnight stand
✓Listen for compressor noise
✓Check for recent Airmatic work

7G-Tronic conductor plate failure

ModerateGearbox & Transmission

The 7-speed automatic gearbox conductor plate can fail, causing harsh shifts, limp mode and gear reading errors.

Most affected: All 7G-Tronic models

Estimated cost: £400–£1,200Affects: 2010–2018Often appears around: 80,000–140,000 miles

Typical symptoms

•Harsh shifts when warm
•Limp mode
•Gearbox warning

What to inspect before you buy

✓Drive until fully warm
✓Check for smooth shifts
✓Look for recent gearbox electrical work

Buying Tips for the 2010 Mercedes-Benz CLS (C218)

✓Diesels should be scanned for NOx and AdBlue faults even if the engine light is off.
✓Check Airmatic cars for overnight sagging.
✓Test the COMAND infotainment system thoroughly for lag or disc read errors.

2013–2018 Mercedes-Benz CLS (C218)