2008 Mercury Mariner vehicle speed control problems
31 owner complaints filed with NHTSA name the vehicle speed control on the 2008 Mercury Mariner — 7% of all complaints for this model year.
What owners report
“2008 mercury mariner throttle control powertrain light comes on, transmission cannot go into gear properly, it stops at 4000 rpm, and it struggles to go at higher speeds,”
filed Feb 6, 2021
“I realized sometime last year that my throttle was sticking when I would start the car and begin to take off. It was here and there and then I must have gotten use to it but now it does it even when I'm driving, it sticks all the time. Now it doesn't want to shift at the right times and it acts…”
filed Jan 11, 2021
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Ford/mercury: new service kit available for accelerator cable to pedal connection. Some vehicles may require the accelerator cable to accelerator pedal connection repaired. A new service clip has been released for use…
TSB-09-21-9 · Service Bulletin/Repair Instructions · issued Sep 1, 2010
Vehicle Speed Control problems in other Mariner years
| Year | Reports | Share |
|---|---|---|
| 2011 Mariner | 15 | 17% |
| 2010 Mariner | 66 | 25% |
| 2009 Mariner | 41 | 13% |
| 2007 Mariner | 4 | 12% |
| 2006 Mariner | 13 | 21% |
| 2005 Mariner | 9 | 13% |
Other reported problem areas on the 2008 Mercury Mariner
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.