IsItAGoodCar

Common Problems with the
2006–2007 Mercedes-Benz C-Class (W203)

We've identified 2 known issues that can affect the 2006–2007 Mercedes-Benz C-Class (W203). 2 of these are serious faults that could be expensive to repair.

2
Known Issues
2
Serious
0
Moderate
0
Minor

The 2006–2007 period has an average number of reported issues compared to other Mercedes-Benz C-Class (W203) year periods.

All Known Issues

M271 timing chain stretch

SeriousEngine

The 1.8 Kompressor petrol engine uses a timing chain that stretches over time, causing rattling on cold start. In severe cases the chain can jump, destroying the engine.

Most affected: C 180 Kompressor, C 200 Kompressor, C 230 Kompressor

Estimated cost: £500–£1,500Affects: 2000–2007Often appears around: 60,000–100,000 miles

Typical symptoms

  • •Rattling noise on cold start
  • •Engine management light
  • •Loss of power

What to inspect before you buy

  • ✓Listen for chain rattle from cold
  • ✓Check engine oil change history
  • ✓Ask if the chain has been replaced

Rust on arches, sills and bootlid

SeriousBodywork & Rust

W203s are notorious for corrosion around the wheel arches, sills and bootlid edges. Structural corrosion on sills and subframe mounting areas is an MOT failure.

Estimated cost: £300–£2,000+Affects: 2000–2007Often appears around: Age-related

Typical symptoms

  • •Bubbling paint around arches
  • •Crusty sills
  • •MOT corrosion advisories

What to inspect before you buy

  • ✓Inspect front and rear arches
  • ✓Check sills and jacking points
  • ✓Look under bootlid edges for rust

Buying Tips for the 2006 Mercedes-Benz C-Class (W203)

  • ✓Confirm the car escaped the Valeo radiator issue (pre-2005).
  • ✓Check for rust around arches and bootlid.
  • ✓Listen for timing chain rattle on M271 petrols.
2000–2005 Mercedes-Benz C-Class (W203)

Browse 2006–2007 Mercedes-Benz C-Class (W203) in our Directory

View MOT history, registration data, and reliability scores for 2006–2007 Mercedes-Benz C-Class (W203) vehicles.

View 2006–2007 Directory

Other Mercedes-Benz C-Class (W203) Year Periods

2000–20052006–2007

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