There are 2 owner-reported visibility & wipers complaints for the 2009 Mercedes-Benz C-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
Glass sunroof While driving, heard a loud bang/pop, glass sunroof began to shatter, and fall onto me, creating a unsafe conditions. Pulled over immediately and closed plastic sunshade to prevent entire glass window from collapsing on top of me. Particles of glass and finite glass dust covered interior, and my person. Reported to local police dept, took photographs, and awaiting to contact dealership, insurance co as this occurred on a holiday weekend. No previous defects observed car is pristine. No roadway defects, or other environmental factors as causation.
I PURCHASED A C300 IN APRIL 2009, WITHIN A FEW DAYS I NOTICED A CRACK IN THE DRIVER SIDEVIEW MIRROR. I TOOK THE CAR TO THE DEALERSHIP AND THE SALESMAN THAT SOLD ME THE CAR TOOK CARE OF ARRANGING THE REPAIR. THEY HAD TO ORDER THE MIRROR AND GAVE ME A LOANER. I WAS NEVER GIVEN AN EXPLANATION AS TO WHAT CAUSED THE CRACK. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026