There are 4 stored owner reports matching the speed control & cruise leading-label group for the 2007 Mercury Mountaineer 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 4 of 4 matching reports.
Open the full vehicle complaint log (all categories)WHEN BRAKING THE VEHICLE ACCELERATES, WHEN SLOWING DOWN TO A STOP SIGN OR A RED LIGHT AND IT HAPPENS WHEN PARKING FORWARD OR REVERSE. I RECENTLY PURCHASED THE VEHICLE 8/2012. I AM VERY DISPOINTED BECAUSE I REALLY LIKE THIS SUV. I HOPE THE DEALER WILL FIX THIS SPEED CONTROL PROBLEM FREE OF CHARGE BECAUSE THIS SITUATION COULD GET DANGEROUS. *TR
WHEN COMING TO SLOW STOP, THE VEHICLE WILL LUNGE FORWARD BEFORE COMPLETELY STOPPING. THIS BEHAVIOR STARTED SEVERAL MONTHS AGO AND WAS VERY RANDOM IN THE BEGINNING, BUT HAS BECOME MORE AND MORE FREQUENT - ALMOST EVERY TIME I COME TO COMPLETE STOP. VEHICLE ALSO HESITATES WHEN GAS IS PRESSED AND THEN SURGES FORWARD. THAT BEHAVIOR IS VERY RANDOM AT THIS STAGE, BUT CAR HAS DONE THAT OVER THE PAST YEAR. BECAUSE OF THE "LUNGING" AT STOPS, I HAVE TAKEN VEHICLE TO REPAIR SHOP AND THEY INDICATE THE VEHICLE'S COMPUTER NEEDS TO BE UPDATED. THIS APPEARS TO BE A COMMON PROBLEM WITH THIS MAKE/MODEL/YEAR. *TR
TL*THE CONTACT OWNS A 2007 MERCURY MOUNTAINEER. WHILE DRIVING 12-14 MPH AND ATTEMPTING TO SLOW DOWN TO A STOP, THE VEHICLE LUNGED FORWARD. THE CONTACT DEPRESSED THE BRAKE PEDAL MORE FIRMLY TO STOP THE VEHICLE. THE VEHICLE WAS TAKEN TO A LOCAL MECHANIC WHO COULD NOT DUPLICATE THE FAILURE. ONCE WHILE DRIVING IN REVERSE, THE VEHICLE LUNGED FORWARD AND PINNED HIS SON BETWEEN HIS VEHICLE AND ANOTHER. THE CHILD SUSTAINED ARM INJURIES. NO POLICE REPORT WAS FILED. THE FAILURE HAD BEEN OCCURRING SINCE 2008. THE VEHICLE WAS TAKEN TO THE DEALER BUT THE CONTACT WAS UNSURE OF WHAT THE DEALER DID TO REMEDY THE PROBLEM. THE FAILURE CONTINUED AND PROGRESSED TO A MORE CONSISTENT PROBLEM. THE VEHICLE HAD NOT BEEN REPAIRED. THE VIN WAS UNAVAILABLE. THE FAILURE MILEAGE WAS 50 AND THE CURRENT MILEAGE WAS 50,000.
2007 MERCURY MOUNTAINEER CUSTOMER STATES THAT THE CAR SUDDENLY SURGED AND WOULD NOT STOP UNTIL SHE PUT THE CAR IN PARK**CC *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: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.