2004 Mercedes Benz Clk320: 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
"PASSENGER LATCH BROKE AND DOOR WOULD NOT HOLD CLOSED . MB FIXED THIS. NOW THE SAME THING HAPPENED TO THE DRIVERS SIDE. WHILE DRIVING THE DOOR CAME OPEN AND WOULD NOT LATCH SHUT. COULD HAVE CAUSED SEVERE INJURY. I HAD TO DRIVE THE CAR TO MB WHILE HOLDING DOOR CLOSED. THEY WOULD NOT COVER THIS ISSUE. ..."
"TL*THE CONTACT OWNS A 2004 MERCEDES BENZ CLK320. WHEN THE CONTACT SAT DOWN AND STARTED THE VEHICLE, THE ARM EXTENDERS CAME FORWARD AND THE SEAT BELT DID NOT MOVE AS A RESULT. THE CONTACT WAS INFORMED THAT NEW ARM EXTENDERS WERE NEEDED. WHEN THE VEHICLE IS TURNED OFF, THE ARM EXTENDERS STAY IN ONE..."
"TL*THE CONTACT OWNS A 2004 MERCEDES BENZ CLK320. WHEN THE CONTACT SAT DOWN AND STARTED THE VEHICLE, THE ARM EXTENDERS CAME FORWARD AND THE SEAT BELT DID NOT MOVE AS A RESULT. THE CONTACT WAS INFORMED THAT NEW ARM EXTENDERS WERE NEEDED. WHEN THE VEHICLE IS TURNED OFF, THE ARM EXTENDERS STAY IN ONE..."
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 Clk320 — 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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