Two problems related to vehicle shudder have been reported for the 2010 Mercury Mariner. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2010 Mercury Mariner based on all problems reported for the 2010 Mariner.
I was driving at 65+ mph on expressway - vehicle stopped accelerating and a violent shaking of the vehicle occurred forcing me off the highway - at this time notice an image of a "wrench" lit up on dash -- I was able to get vehicle to the dealer - not worried due to I still had 2000 miles left on warranty, only to be told this is not covered under warranty. My question is this is huge safety issue and should under no questions be a charge to the consumer. I was charged 309. 20 to replace the throttle body motor and assembly. After much research this is an ongoing problem with many of the Ford vehicles. Attached is the invoice that I had to pay. I have tried to obtain the zone rep for my area and I am having trouble getting this info from my dealer. I am still investigating as to how to obtain this info as I believe someone in higher position then dealer needs to be aware.
I was leaving a soccer game and the car went to about 40 mps and the wrench light came on and the pedal went limp. I pulled over and stopped the car and the car started shaking like it was out of time. I put it in part and shut off the car when I turned the car back on the light was off. I was able to drive 20 miles back and forth and then it did the same thing again. I have taken it to run the codes and there were none. Today 8/31/13 it did the same thing again and now finally the engine light came on. Codes were ran at autozone and p1212 throttle body sensor finally showed up. I had already checked the web the first time that it did it after talking with a mechanic that works at Ford and he told me what it was and that there was no recall. I am very upset. I just purchased this car less than three months ago!!! single mom someone help!!!.