NHTSA Complaint #11667812 — 2007 MERCURY MOUNTAINEER POWER TRAIN

Complaint Details

ODI Number	11667812
Vehicle	2007 MERCURY MOUNTAINEER
Component	POWER TRAIN
Date of Incident	January 1, 2020
Date Filed	June 18, 2025
Mileage	78,000 miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	CA

Consumer Description

The contact owns a 2007 Mercury Mountaineer. The contact stated that after shifting the transmission from park(P) to reverse(R), the vehicle failed to respond. The contact removed and reinserted the fob key in the ignition to correct the failure. The vehicle was taken to an independent mechanic, who diagnosed that an unknown transmission part needed to be replaced. The vehicle was not repaired. The mechanic instructed the contact to pull the park release lever each time to shift the vehicle out of park (P). The manufacturer was made aware of the failure and advised the contact to file a complaint with the NHTSA Hotline. The failure mileage was approximately 78,000.

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