"How reliable is the 2008 Mercury Mountaineer?"

"Based on 156 NHTSA complaints, the 2008 Mercury Mountaineer has a median complaint mileage of 65000 miles. The most common issue is Seats."

"What are common problems with the 2008 Mercury Mountaineer?"

"The most frequently reported component in NHTSA complaints for the 2008 Mercury Mountaineer is Seats, accounting for a significant portion of the 156 total complaints filed."

2008 Mercury Mountaineer: Reliability Data

Source: NHTSA — 156 complaints

156

Total Complaints

65,000mi

Median Mileage

Seats

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

36,000 25th Percentile

65,000 Median Mileage

90,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

Seats

Electrical System

Power Train

Exterior Lighting

Engine

Unknown Or Other

Seat Belts

Interior Lighting

Steering

Ignition

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"TL*THE CONTACT OWNS A 2008 MERCURY MOUNTAINEER. THE CONTACT STATED THAT THE FRONT HEATED WINDSHIELD GIVES OFF A GLARE AT NIGHT. THE WINDSHIELD WAS REPLACED, BUT THE GLARE IS STILL PRESENT. THE CONTACT STATED THAT THE WINDSHIELD CAUSES HIM TO FEEL TIRED. THE CURRENT MILEAGE WAS 1,823 AND FAILURE ..."

"TL*THE CONTACT OWNS A 2008 MERCURY MOUNTAINEER. THE DRIVER'S SEAT BELT IS TOO SHORT. THE DRIVER IS BARELY ABLE TO BUCKLE THE SEAT BELT, AND ONCE HE DOES, HE IS UNABLE TO MOVE. THE CONTACT FEELS THAT THIS IS A SAFETY RISK BECAUSE IT PUTS HIM IN A VERY UNCOMFORTABLE SITUATION. THE DEALER EXCHANGED..."

"WHILE COMING UP TO A RED LIGHT, THE VEHICLE STARTED MAKING A CLUNKING NOISE AND THE BRAKE PEDAL WENT TO THE FLOOR WHEN I TRIED TO STOP FOR THE RED LIGHT. I ALSO LOST POWER STEERING. LUCKILY, I FINALLY GOT THE SUV TO STOP AFTER I PUMPED THE BRAKES AND I WAS ABLE TO AVOID HITTING THE CAR IN FRONT OF..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

When Does Each Component Fail?

Median mileage at complaint for top components.

Seats 52 complaints

25th: 54,672 mi Median: 66,600 mi 75th: 86,500 mi

Electrical System 36 complaints

25th: 33,500 mi Median: 65,000 mi 75th: 90,000 mi

Power Train 7 complaints

25th: 32,500 mi Median: 70,500 mi 75th: 123,000 mi

Exterior Lighting 6 complaints

25th: 57,000 mi Median: 82,500 mi 75th: 85,000 mi

Engine 6 complaints

25th: 24,000 mi Median: 63,188 mi 75th: 86,400 mi

Where Are Complaints Coming From?

Top states by complaint count.

NY: 21 TX: 16 FL: 14 PA: 13 NJ: 12 MI: 10 MA: 8 CA: 8 CO: 8 MD: 7

Who Files Complaints?

3.2%

Original Owners

96.8%

Second+ Owners

Mercury Mountaineer — Other Years

See how this model compares across different model years.

Year	Complaints	Median Mileage	Top Issue	Crashes
1997	399	124,646	Tread/Belt	48
1998	298	79,500	Tires	29
1999	182	67,000	Tires	15
2000	164	81,000	Vehicle Speed Control	21
2001	32	40,000	Structure	3
2002	504	75,000	Automatic Transmission	19
2003	220	78,898	Body	8
2004	271	70,000	Body	20
2005	113	48,150	Body	9
2006	153	58,945	Automatic Transmission	9
2007	119	78,000	Seats	6
2010	24	38,000	Service Brakes	0

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28