2009 Mercury Mariner speed control problems
The 2009 Mercury Mariner has 41 speed control complaints filed with NHTSA — 10% of the year's total, and up sharply from the prior model year.
41
Speed Control complaints
10%
Share of year
1
Crash-involved
0
Related recalls
Speed Control complaints by year
What owners report
“TL* THE CONTACT OWNS A 2009 MERCURY MARINER. THE CONTACT WAS ENTERING A PARKING SPACE WHEN THE VEHICLE EXHIBITED AN ABNORMALLY LOUD REVVING SOUND AND ACCELERATED INTO A FENCE WITHOUT WARNING. THERE WERE NO INJURIES NOR WAS A POLICE REPORT FILED. THE CONTACT WAS ABLE TO SECURE AN APPOINTMENT TO HAVE…”
Common questions
How many speed control complaints does the 2009 Mercury Mariner have?
NHTSA has 41 complaints about the 2009 Mercury Mariner speed control — 10% 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.