2003 Mercedes Benz Ml320: 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
"THE HEATED PASSENGER SEAT OVER HEATED AND BURNED A HOLE ON THE FAR RIGHT EDGE OF THE LEATHER CAPTAIN SEAT.*JB"
"CONSUMER HAS CONTACTED DEALER FOR THE LAST 6 WEEKS REGARDING RECALL REMEDY 03V121000, BUT DEALER CONTINUALLY ASKED CONSUMER TO CALL BACK AND NEVER GAVE VALID REASON OF WHY COULD NOT PERFORM RECALL REPAIRS. DEALER HAS YET TO SET UP AN APPOINTMENT OR EVEN STATE WHETHER PARTS WERE AVAILABLE OR BEEN OR..."
"WHILE DRIVING THE VEHICLE HEATED SEATS CAUSED SECOND DEGREE BURNS TO THE DRIVER'S BOTTOM. THERE WAS NO DAMAGE TO THE VEHICLE'S SEAT. THIS PROBLEM ALSO CAUSE SOME REDNESS TO ANOTHER DRIVER'S BOTTOM. *NM AFTER VISITING DOCTOR FOR TREATMENT OF BURNS, TOOK VEHICLE TO DEALER THE SAME WEEK. WAS INFO..."
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 Ml320 — 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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