2005 Mercedes Benz C240: Reliability Data
When Do Complaints Happen?
Distribution of NHTSA complaints by vehicle mileage at time of report.
What Fails?
Most reported component issues from NHTSA complaints.
Severity Assessment
Sample Complaint Reports
"VEHICLE WAS LEAKING TRANSMISSION FLUID, AND AIR PRESSURE WAS DEFECTIVE ALL OF THESE DEFECTS WERE DISCOVERED BY THE DEALER. AFTER THE VEHICLE WAS SERVICED IT WOULD NOT START.*AK"
"VEHICLE WAS LEAKING TRANSMISSION FLUID, AND AIR PRESSURE WAS DEFECTIVE ALL OF THESE DEFECTS WERE DISCOVERED BY THE DEALER. AFTER THE VEHICLE WAS SERVICED IT WOULD NOT START.*AK"
"DT*: THE CONTACT STATED AFTER PURCHASING THE VEHICLE THERE WAS A HOLE IN THE ROOF AT THE ANTENNA. THIS CAUSES CONDENSATION TO LEAK INTO THE TRUNK. THIS IN TURN CAUSES CONDENSATION TO GO THROUGH THE ELECTRICAL SYSTEM AND CAUSES ELECTRICAL PROBLEMS. THE VEHICLE WAS TAKEN TO THE DEALERSHIP AND WAS REPA..."
Source: NHTSA ODI Complaints Database. Names and identifying details omitted.
When Were Complaints Filed?
Number of complaints by the year the issue occurred.
When Does Each Component Fail?
Median mileage at complaint for top components.
Where Are Complaints Coming From?
Top states by complaint count.
Who Files Complaints?
Mercedes Benz C240 — Other Years
See how this model compares across different model years.
Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.
Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.
Data through: 2026-03-28
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