2004 Mercedes Benz Ml500: 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
"I WANT TO PROTEST IN THE LOUDEST VOICE THAT I HAVE AS A AUTOMOBILE DRIVER THE USE BY SOME RECENT MODEL CARS OF HIGH INTENSITY HEADLIGHTS. I AM NOT REFERRING TO HIGH BEAMS.......THESE LIGHTS ARE FAR WORSE THAN HIGH BEAMS. I AM BLINDED BY THESE LIGHTS AND FIND MY EYES TURNING TO THEM INVOLUNTARILY. I ..."
"VEHICLE LOST POWER DUE TO THE ESM TRACKING SYSTEM. AFTER ABOUT 15-20 MINUTES THE VEHICLE COULD BE RESTARTED. *AK *NM"
"I HAVE RETURNED MY SUV TO MERCEDES ABOUT 5 TIMES TO HAVE THE BRAKES REPLACED BECAUSE THEY SQUEAL WHEN STOPPING. I HAVE BEEN TOLD MY MERCEDES THAT THERE IS NOTHING THAT CAN BE DONE BECAUSE ALL DISC BRAKES SQUEAL. I FIND THIS HARD TO BELIEVE BECAUSE I HAVE HAD MANY CARS WITH DISC BRAKES OVER THE YEARS..."
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 Ml500 — 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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