5.0

definitely annoying
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
20,100 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2006 Mercury Grand Marquis transmission problems

transmission problem

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2006 Mercury Grand Marquis Owner Comments

problem #2

Dec 212009

Grand Marquis

  • 40,000 miles

A D V E R T I S E M E N T S

Sporadically and without warning, my cruise control will activate causing the vehicle to immediately accelerate. I had been using the control but had de-activated it but depressing the brake which leaves the unit "on" but not activated.

- Holland, MI, USA

problem #1

Apr 132007

Grand Marquis 8-cyl

  • Automatic transmission
  • 200 miles
- the contact owns a 2006 Mercury Grand Marquis. When the engine was started it would rev very high. When the brakes were applied the vehicle would abruptly go into drive. The failure occurred intermittently. There were no warning indicators. The Ford dealer was unable to diagnose or duplicate the failure. The failure mileage was approximately 200 miles, and the current mileage was 11,000 miles.

- Taylor, MI, USA

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