1999 Mercedes-Benz ML320 Other or unknown Problems
- Complaints
- 5about this part
- Share
- 4%of 125 total for the year
- Median mileage
- 91,768miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 5 complaints about the other or unknown of the 1999 Mercedes-Benz ML320, 4% of the 125 complaints for this model year. Where a mileage was given, the median is 91,768 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The harmonic balancer pulley deteriorated on my mercedes ML320. If it had gotten worse, I'm afraid it would have disintegrated and done major engine damage and/or caused loss of power sterring.”
NHTSA complaint #10058270, filed 2004-02, 104,415 miles“Total electrical failure after stopping, towed to dealer in va. For repair. Locks popping up and down like a machine gun, dealer has fixed 3 times, cd player failure after a month, dealer replaced complete unit, dash warning lights were either off at starting or some on or all off, dealer found no problem, seems to have healed. We do not trust the vehicle which we purchased new anymore. We are constantly awaiting something else to go wrong.”
NHTSA complaint #713055, filed 1999-10“Owner's manual states on page 59 'press down rocker switch symbols: auxiliary front fog lamps on (if so equipped). Green indicator lamp in instrument cluster comes on. Green indicator lamp in instrument cluster does not come on! Dealer service manager tells me he has not seen this light in any ml 320 or ml 430 equipped with front fog lights. I called customer assistance center Mercedes-Benz of north america inc. And was told I would never see this light, the owner's manual is in error. …”
NHTSA complaint #700716, filed 1998-11Related service bulletins
- 10029105Apr 2, 2009Mercedes benz: fuel loss at pressure regulator valve and/or poor engine running characteristics (shakes, knocks, surges, changes to lip home mode, poor output, poor fuel economy…
Other or unknown: other model years
Other parts of the 1999 Mercedes-Benz ML320
35 complaintsSteering
29 complaintsTransmission and drivetrain
19 complaintsFuel system
14 complaintsBrakes
11 complaintsVehicle speed control
7 complaintsVisibility (wipers, defrost, mirrors)
7 complaintsAir bags
5 complaintsSuspension
5 complaintsBody and structure
4 complaintsElectrical system
3 complaintsElectronic stability control
3 complaints
← All problems reported for the 1999 Mercedes-Benz ML320
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology