1999 Mercedes-Benz M Class Transmission and drivetrain Problems
- Complaints
- 3about this part
- Share
- 17%of 18 total for the year
- Median mileage
- 160,500miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the transmission and drivetrain of the 1999 Mercedes-Benz M Class, 17% of the 18 complaints for this model year. Where a mileage was given, the median is 160,500 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.
“1999 ml 320 began jerking on medium grades. Jerking was reported to knoxville tn. Mercedes benz dealership. They reported the transfer case is failing. They indicated that to their knowledge there has never been a transfer case failure on an ml 320. I had the transfer case replaced at a cost of $4300.00.”
NHTSA complaint #10277218, filed 2009-07, 221,000 miles“Transmission failed, repaired four times, electrical system, battery failed, replaced, oz sensor failed replace 3 times, fuel system pump and sensor replaced, front passenger restraint system failed”
NHTSA complaint #9001677, filed 2000-07Transmission and drivetrain: other model years
Other parts of the 1999 Mercedes-Benz M Class
6 complaintsEngine cooling
4 complaintsElectrical system
3 complaintsSeat belts
3 complaintsFuel system
2 complaintsBrakes
1 complaintsElectronic stability control
1 complaintsEquipment
1 complaintsTires
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 1999 Mercedes-Benz M Class
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