There are 2 stored owner reports matching the powertrain & transmission leading-label group for the 2004 Mercedes-Benz ML-Class in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)TRANSMISSION DISENGAGES AT HIGHWAY SPEEDS
CAR GETS STUCK IN THE PARK GEAR AND HAS TO BE TOWED. DURING THE SECOND INCIDENT, A MECHANIC PUT A PEN INTO A SLOT IN THE GEAR BOX AND IT SLIPPED INTO NEUTRAL. THIS IS A DEFECT THE MANUFACTURER KNEW ABOUT, OTHERWISE HOW DID THEY KNOW WHAT TO DO? *JB
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Aug 31, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.