2004 Mercury Grand Marquis speed control problems
The 2004 Mercury Grand Marquis has 23 speed control complaints filed with NHTSA — 5% of the year's total, and roughly flat versus the prior model year.
23
Speed Control complaints
5%
Share of year
5
Crash-involved
0
Related recalls
Speed Control complaints by year
What owners report
“DT: THE VEHICEL ACCELERATED SUDDENLY AND THE BRAKES COULD NOT STOP IT. WHILE IN A PARKING LOT TO PUT AIR IN THE TIRES THE VEHICLE JUST TOOK OFF AND CRASHED INTO A BUILDING. THIS HAPPENED JULY 30, 2005 THE CONSUMER IS GETTING READY TO CONTACT FORD. *AK *JB”
Common questions
How many speed control complaints does the 2004 Mercury Grand Marquis have?
NHTSA has 23 complaints about the 2004 Mercury Grand Marquis speed control — 5% of all complaints filed for that model year.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.