There are 2 owner-reported powertrain & transmission complaints for the 2004 Mercedes-Benz ML-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
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.
Data synced from NHTSA on Apr 25, 2026