VehicleVerdict

2006 Mercury Mountaineer engine problems

The 2006 Mercury Mountaineer has 57 engine complaints filed with NHTSA — 37% of the year's total, and up sharply from the prior model year.

57

Engine complaints

37%

Share of year

0

Crash-involved

0

Related recalls

Engine complaints by year

Mountaineer engine complaints by model year57 complaints1997: 16 complaints1998: 22 complaints1999: 12 complaints2000: 9 complaints2001: 2 complaints2002: 35 complaints2003: 11 complaints2004: 20 complaints2005: 12 complaints2006: 57 complaints2007: 9 complaints2008: 9 complaints2010: 3 complaints
Mountaineer engine complaints by model year. Red bars are years to avoid.

What owners report

TRUCK COOLING SYSTEM DIED WHICH CAUSED THE TRUCK TO CATCH FIRE WHILE DRIVING DOWN THE HIGHWAY, SMOKE PORING OUT, STATE TROOPERS HAD TO ASSIST US. MY DAUGHTER WAS SCARED TO DEATH AND NOW REFUSES TO GET BACK IN THE TRUCK EVEN THOUGH WE GOT A NEW ENGINE. TO MAKE MATTERS WORSE WE SPENT 3000 ON AND…

Complaint filed with NHTSA · Engine · May 25, 2012 · fire

Common questions

How many engine complaints does the 2006 Mercury Mountaineer have?

NHTSA has 57 complaints about the 2006 Mercury Mountaineer engine — 37% 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.