Mercedes-Benz Known Faults
Germany
42
Known Faults
Models
Most Reported Faults
Suspension Coil Spring Snapping
Severe2009-201660,000–120,000 miles£150–£300
A very common MOT failure in the UK. Suspension coil springs corrode and snap, usually near the bottom pigtail.
Suspension Coil Spring Snapping
Severe2007-201460,000–120,000 miles£150–£300
A very common MOT failure in the UK. Suspension coil springs corrode and snap, usually near the bottom pigtail.
Shock Absorber Oil Leak and Failure
Moderate2007-201470,000–120,000 miles£200–£400
Shock absorbers lose their damping efficiency over time, and eventually blow their seals, leaking hydraulic fluid.
12V Battery Degradation and Failure
Minor2007-201430,000–150,000 miles£80–£250
Lead-acid and AGM batteries have a finite lifespan. Modern cars are highly sensitive to voltage drops, causing bizarre electrical faults before the battery completely dies.
Shock Absorber Oil Leak and Failure
Moderate2009-201670,000–120,000 miles£200–£400
Shock absorbers lose their damping efficiency over time, and eventually blow their seals, leaking hydraulic fluid.