2001 Mercedes Benz Ml320: Reliability Data

195
Total Complaints
92,485mi
Median Mileage
Electronic Stability Control (Esc)
Top Issue
19
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

52,025 25th Percentile
92,485 Median Mileage
134,137 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

Electronic Stability Control (Esc)
33
Service Brakes
26
Vehicle Speed Control
13
Service Brakes, Hydraulic
12
Hose, Piping, And Connections
10
Steering
10
Electrical System
9
Air Bags
7
Antilock/Traction Control/Electronic Limited Slip
4
Fuel System, Gasoline
4

Severity Assessment

19
Crashes
7
Fires
17
Injuries
0
Deaths

Sample Complaint Reports

"SOON AFTER PURCHASING NEW VEHICLE GAS GAUGE STARTED TO HAVE DEFECTS. GAUGE WOULD NOT READ GAS MILEAGE CORRECTLY. CONTACTED DEALER, AND DEALER SAID THAT IT WAS A COMMON PROBLEM, AND THEY DIDN'T KNOW WHAT PROBLEM WAS. *AK"
"SECURITY SYSTEM DOES NOT LOCK VEHICLES DOORS. *AK THE REMOTE KEYS DOES NOT OPEN OR CLOSE THE DOOR DUE TO IGNITION LOCK ASSEMBLY FAILURE, IT TOOK DEALER THREE TIMES TO CORRECT THE PROBLEM. *YH"
"THE BAS/ESP LIGHT TURNS ON ON THE DASHBOARD. TOLD BY THE MANUFACTURER TO STOP A CAR, TURN COMPLETE LEFT, AND THEN COMPLETE RIGHT, SWITCH OFF THE ENGINE FOR 10 SECONDS AND START THE ENGINE. FIRST COUPLE OF TIMES THE LIGHT ON THE DASHBOARD DISAPPEARED. ON THE 3RD OCCURRENCE, THE LIGHT STAYED ON. CA..."

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.

Electronic Stability Control (Esc) 33 complaints
25th: 77,150 mi Median: 109,470 mi 75th: 137,425 mi
Service Brakes 26 complaints
25th: 104,825 mi Median: 132,425 mi 75th: 164,922 mi
Vehicle Speed Control 13 complaints
25th: 88,500 mi Median: 125,000 mi 75th: 155,500 mi
Service Brakes, Hydraulic 12 complaints
25th: 76,000 mi Median: 96,500 mi 75th: 132,500 mi
Hose, Piping, And Connections 10 complaints
25th: 26,320 mi Median: 36,011 mi 75th: 52,025 mi

Where Are Complaints Coming From?

Top states by complaint count.

CA: 54 FL: 30 MD: 11 NY: 11 WA: 9 TX: 8 GA: 8 IN: 7 SC: 7 IL: 6

Who Files Complaints?

21%
Original Owners
79%
Second+ Owners

Mercedes Benz Ml320 — Other Years

See how this model compares across different model years.

YearComplaintsCrashes
199820015
199916417
200025826
20021388
2003312
2007200
2008303
2009420

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