Owner-reported complaints naming the driver-assistance system, filed with NHTSA
Data refreshed
Driver assistance reportsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
11
Latest May 27, 2018
Share of all reportsThis category as a share of every owner report on file for this model year. One report can name more than one component, so the categories overlap.
7%
of 151 total
Crash or fire reportedReports in this category whose submitter recorded that a crash or a fire occurred. The reporter's own answer on the NHTSA form, not a verified finding.
3
Injuries or deaths reportedTotals the submitters entered on their own reports in this category. Not verified by NHTSA and not a casualty statistic.
1
What this page shows
Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems. Every record below is an owner-reported complaint about the 1999 Mercury Mountaineer submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 11 reports on file name it.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Owner reports naming driver-assistance
Shown in the owner’s own words, exactly as filed
Driver assistance
Filed May 27, 2018
CURSE CONTROL OCCASIONALLY MAKES ENGINE ACCELERATE WHILE AND AFTER BRAKE APPLIED WHILE MOVING UNDER 5 MPH AND EVEN WHILE STOPPED WITH BRAKE STILL APPLIED. MORE THAN ONCE A PEDESTRIAN WAS AT RISK IN A CROSSWALK WHILE VEHICLE STOPPED WITH BRAKE STILL APPLIED, THEN ENGINE SUDDENLY BECAME NEAR FULL THROTTLE, REQUIRING EVEN STRONGER PRESSING OF BRAKE PEDDLE. WE TOOK THE CAR TO DEALER (HENRY DAY FORD) WHO UPDATED ENGINE CONTROL ROM; BUT SAME PROBLEM CONTINUED TO EXIST. THE DEALER OFFERED NO WARRANTY OF REPAIR OR EVEN ACKNOWLEDGEMENT OF PROBLEM. WE NOW DRIVE WITH THE CRUSE CONTROL AND HORN AND ??? CABLE DISCONNECTED NEAR WINDSHIELD WASHER RESERVOIR.
NHTSA ID
11098222
Incident
Jul 1, 2015
Mileage
130,000 mi
Driver assistance
Filed Feb 28, 2008
TL*THE CONTACT OWNS A 1999 MERCURY MOUNTAINEER. THE CONTACT RECEIVED A RECALL NOTICE FOR THE VEHICLE SPEED CONTROL: CRUISE CONTROL SWITCH IN AUGUST OF 2007. THE PARTS FOR THE RECALL REPAIR ARE TAKING AN EXTREMELY LONG TIME TO ARRIVE. HE WAS DISSATISFIED THAT FORD NEVER PROVIDED THEIR CUSTOMERS WITH UPDATES AND HE HAD TO CALL 8-10 TIMES, MORE THAN ONCE A MONTH, TO FIND OUT THE STATUS OF THE RECALL. THE CONTACT STATED THAT HIS LOCAL DEALER REFUSED TO DEACTIVATE THE CRUISE CONTROL BECAUSE THEY FELT IT WAS UNNECESSARY. THE DEALER WAS LOCATED THIRTY MILES AWAY FROM HIS RESIDENCE. THERE HAD BEEN NO FAILURE TO DATE. THE CURRENT MILEAGE WAS 75,000. UPDATE 04-02-08 *BF
NHTSA ID
10219550
Incident
Aug 16, 2007
Driver assistance
Filed Dec 27, 2007
TL*THE CONTACT OWNS A 1999 MERCURY MOUNTAINEER. HE RECEIVED RECALL NOTICE 05S28 IN SEPTEMBER OF 2006. THE PARTS ARE NOT AVAILABLE. THE VEHICLE SPEED CONTROL IS NOT DISCONNECTED. THE CURRENT MILEAGE WAS 77000. THERE ARE NO FAILURES AT THIS TIME. THE VIN IS NOT AVAILABLE.
NHTSA ID
10212969
Incident
Sep 1, 2006
Driver assistance
Filed Dec 9, 2004
ACCELERATED 1999 MERCURY MOUNTAINEER V8 FROM STOP LIGHT. THROTTLE GOT STUCK IN ACCELERATE POSITION. TRIED TO FREE THROTTLE BY REPEATED PULSING WITH FOOT BUT ACCCELERATOR STUCK IN FULL THROTTLE POSITION AND COULD NOT STOP CAR! HAD TO TURN OFF IGNITION RESULTING IN NO POWER STEERING OR BRAKING. WAS ABLE TO FREE THROTTLE BY REMOVCING THROTTLE COVER (ON ENGINE) AND MANUALLY MOVING THROTTLE BY HAND. WOULD HAVE HIT CAR IN FRONT OF ME IF THERE WAS TRAFFIC! THROTTLE PLATE ASSEMBLY REPLACED BY AUTHORIZED FORD DEALER AT MY COST.*AK
NHTSA ID
10102429
Incident
Dec 3, 2004
Mileage
79,000 mi
AirbagsBrakesDriver assistance
Filed Nov 17, 2004
Crash reported
WHILE DRIVING THERE WAS UNATTENDED ACCELERATION. CONSUMER'S FOOT ACTUALLY WAS ON THE BRAKE AND AT THE ACCELERATOR PEDAL AT THE SAME TIME. THE PEDALS WERE VERY CLOSE TOGETHER. ACCIDENT OCCURRED. VEHICLE WAS TOTALED. UPON IMPACT, THE AIR BAGS DID NOT DEPLOY.*AK.....ONCE OFF THE EXIT RAM SLID THROUGH GRASS AN DINTO PINE TREE. *AK
NHTSA ID
10101124
Incident
Sep 1, 2004
Driver assistance
Filed Jan 21, 2004
TRIED TO SET CRUISE CONTROL AND IT WOULD NOT HOLD SPEED SET AFTER 2 ATTEMPTS, THEN IT JUST "TOOK OFF". GAS PETAL WAS ALL THE WAY TO THE FLOOR AND I COULD NOT GET IT UP. COULD NOT SHUT OFF CRUISE CONTROL BY BRAKING OR HITTING "OFF" BUTTON. WAS ON EXPRESSWAY AND GOING OVER 90. HAD TO FIGHT GAS PETAL ALL THE WAY TO THE FLOOR BY BRAKING. FORTUNATELY I WAS ON STRAIGHT SECTION OF ROAD AND THERE WAS NO ICE AND LITTLE TRAFFIC. I HAD TO WAIT IN CAR IN 6 DEGREE TEMP. FOR HR. AND A HALF FOR AAA TO LOAD VEHICLE ON FLATBED TO TAKE TO FORD DEALERSHIP. UNABLE TO START ENGINE B/C GAS PETAL WAS STILL TO THE FLOOR, SO NO WAY TO KEEP WARM. FORD DEALERSHIP IN MICH. DISABLED CRUISE CONTROL TO ALLOW ME TO CONTINUE TO TRAVEL. MERCURY DEALERSHIP IN TOLEDO TOLD ME 2000 AND 2001 MOUNTAINEERS HAVE BEEN RECALLED FOR CRUISE CONTROL CABLE DEFECT BUT WHEN I CALLED FORD CUST. SERV. THEY SAID THEY WOULDN'T DO ANYTHING TO FIX THE VEHICLE OR REIMBURSE FOR EXCESS TOWING CHG. BECAUSE THERE WAS NO RECALL FOR 1999'S. THIS IS A SERIOUS SAFETY ISSUE AND IT COULD HAVE BEEN FAR MORE DISASTROUS.*AK
NHTSA ID
10054587
Incident
Jan 16, 2004
Mileage
61,500 mi
Driver assistance
Filed Sep 10, 2003
THE CRUISE CONTROL WAS SET AT 65 MPH WHEN ALL OF A SUDDEN THE VEHICLE ACCELERATED TO 90 MPH. THE DEALER INFORMED THE CONSUMER THEY WOULD GREASE THE THROTTLE CONTROL CABLE, HOWEVER THE PROBLEM CONTINUED. THE CONSUMER STATED THERE WERE TWO RECALLS ON THIS ISSUE.# 99-V-062-001 AND 03-V-280-000. *JB
NHTSA ID
10038623
Incident
Sep 10, 2003
Driver assistance
Filed Sep 6, 2001
GAS PEDAL STICKS INTERMITTENTLY. FORCING PEDAL CAUSES VEHICLE TO SURGE/DEALER CHECK SAID NO PROBLEM FOUND AT THIS TIME. PRIOR TO TAKING TO DEALER I ATTEMPTED LUBRICATION IN INTERIOR AND UNDER HOOD. SEEMED TO STOP PROBLEM FOR 30 MINUTES TO AN HOUR, THEN INTEMITTANT STICKING RETURNED*AK
NHTSA ID
751818
Incident
Jun 1, 2001
Driver assistance
Filed May 30, 2001
Crash reported
WHILE STOPPED AT A RED LIGHT WITH MY FOOT ON THE BRAKE PEDAL, THE ENGINE BUCKED AND MISFIRED AS THOUGH IT WAS GOING TO DIE. SUDDENLY, THE ENGINE REVVED TO THE POINT THAT WITH BOTH OF MY FEET ON THE BRAKE PEDAL, THE CAR CREPT AHEAD AND TAPPED THE CAR AHEAD OF ME. JUST AS QUICKLY AS THE ENGINE SURGED, IT DROPPED BACK IN REVS TO NORMAL IDLE. ON MY WAY HOME FROM THE SCENE, IT OCCURED AGAIN, EXCEPT THIS TIME I HAD MY HAND ON THE AUTO GEAR CHANGE, MOVED IT QIUCKLY TO NEUTRAL, AND TURNED OFF THE IGNITION. I MADE IT HOME WITHOUT FURTHER INCIDENT, CALLED THE DEALER ON MONDAY , AND HAD THEM TOW THE CAR TO THE DEALERSHIP AS I DID NOT FEEL THAT THE VEHICLE WAS SAFE TO DRIVE. AFTER HAVING THE CAR FOR TWO DAYS NOW, THEY CLAIM THAT THEY CAN FIND NOTHING WRONG. I TOLD THEM THAT I WOULD NOT ACCEPT THE CAR BACK WITHOUT A SPECIFIC REASON FOR THIS SUDDEN ACCELERATION. THEY SAY THERE IS NOTHNING WRONG THAT THEY CAN FIND, BUT I WILL NOT DRIVE THIS VEHICLE UNTIL A FIX IS LOCATED AND REPAIRED. *AK
NHTSA ID
746151
Incident
May 26, 2001
Driver assistance
Filed Sep 2, 1999
Crash reported1 injury reported
VEHICLE ACCELERATES SUDDENLY, RESULTIG IN A COLLISION THAT CAUSED MINOR INJURIES . A RECALL HAS BEEN ISSUED . HOWEVER, DEALER HAS BEEN NOTIFIED. *AK
NHTSA ID
846603
Driver assistance
Filed Jun 8, 1999
CONSUMER UNABLE TO HAVE RECALLED SPEED CONTROL CABLE REPAIRED DUE TO LACK OF PARTS. NLM RECALL 99V-062
NHTSA ID
546030
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Other components reported on this vehicle
Categories with enough reports to have a page of their own