There are 3 stored owner reports matching the speed control & cruise leading-label group for the 2007 Mercedes-Benz GL-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 3 of 3 matching reports.
Open the full vehicle complaint log (all categories)SPEED CONTROL BECAME NULL DURING ACCELERATION AT 72 MPH. DURING THE TIME OF ACCELERATION, TRANSMISSION MADE AN ODD SOUND THEN SPEEDOMETER MOVED FROM 72 MPH TO 35 MPH IN JUST SECONDS AND CAR WOULD NOT GO OVER 35 MPH REGARDLESS OF HOW MUCH PRESSURE WAS APPLIED TO THE ACCELERATOR. *TR
VEHICLE WILL NOT CHANGE GEAR AND BECOME SLUGGISH WITH TERRIBLE FUEL CONSUMPTION. TRIED FUEL TREATMENT, PROBLEM GETS BETTER THEN RETURN. THE PROBLEM IS INTERMITTENT. *TR
TL* THE CONTACT OWNS A 2007 MERCEDES BENZ GL450. WHILE ATTEMPTING TO ACCELERATE FROM APPROXIMATELY 70 MPH TO 75 MPH WITH THE CRUISE CONTROL ACTIVATED, THE VEHICLE INVOLUNTARILY DECELERATED THEN STALLED WITHOUT WARNING. THE CONTACT MOVED THE VEHICLE OFF THE ROADWAY AND WAS ABLE TO RESTART THE VEHICLE. WHEN THE VEHICLE WAS RESTARTED, THE CHECK ENGINE LIGHT WAS ILLUMINATED ON THE DASHBOARD. SHE THEN SHUT OFF THE VEHICLE FOR APPROXIMATELY FIVE MINUTES AND WHEN RESTARTING, THE VEHICLE OPERATED AS NORMAL. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE CONTACT WAS AWAITING A DIAGNOSIS OF THE FAILURE. THE VIN WAS NOT AVAILABLE AT THE TIME OF THE COMPLAINT. THE FAILURE AND CURRENT MILEAGES WERE 72,500.
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.