2008 Mercury Mariner brakes NHTSA complaints: Service Brakes

NHTSA — Service Brakes Problems

CarComplaints.com Seal Of This Might Hurt

CarComplaints.com Notes: The 2008-2011 Mercury Mariner has a dangerous problem with the power steering that Ford says they fixed when they didn't -- at least not 100%.


hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
78,383 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.

2008 Mercury Mariner brakes problems

brakes problem

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2008 Mercury Mariner Owner Comments

problem #6

Jul 062016


  • 73,000 miles


I had to apply a panic break due to a motorcycle accident in front of my vehicle. The car stopped but the hydraulic hcu/ECU for ABS failed at the spot. I took the vehicle to the Ford dealer and received a $1735 plus tax estimate to fix it.

- Mechanicsburg, PA, USA

problem #5

Jul 212016


  • 105,000 miles
This had been a great car for me until today. I learned the hydraulic control unit is bad and will require nearly $5000 to replace. It is not safe to drive. It had 105000 miles. It is not worth much more than $5K. I have no choice but to try and trade the car in. I laterally just gave it to my daughter for college on Saturday. She has always loved my car.

- Overland Park, KS, USA

problem #4

Feb 052013


  • 120,000 miles
The contact owns a 2008 Mercury Mariner. The contact stated that while driving at 25 mph, the brake pedal was depressed but failed to stop the vehicle. The contact stated that the brake pedal required excessive pressure to slow the vehicle. The vehicle was taken to an independent mechanic to be diagnosed. The contact was informed that the brakes master cylinder needed to be replaced. The vehicle was repaired however, the failure recurred. The contact also stated that the brake pads were also replaced however, the failure recurred. The contact stated that the failure occurred only when driving while it was raining. The manufacturer was not notified of the failure. The approximate failure mileage was 120,000.

- San Antonio, TX, USA

problem #3

Jan 182016


  • 60,000 miles


The contact owns a 2008 Mercury Mariner. While driving approximately 35 mph, the brakes were applied but failed to stop the vehicle. There were no warning indicators illuminated. The failure recurred twice. The vehicle was taken to the dealer where it was diagnosed that the brake pads, master cylinder, and brake booster needed to be replaced. The vehicle was repaired. The manufacturer was notified of the failure. The VIN was unknown. The failure mileage was 60,000.

- Walker, LA, USA

problem #2

Feb 172014


  • 102,000 miles
While driving my car stalls without warning then it jerks real hard and takes off so I have to ride the brakes after coming to a stop before I can press the gas peddle it takes off so I ride the brakes. While driving again it picks up speed on its own very scare please help.

- Houma , LA, USA

problem #1

Jan 242014

Mariner 6-cyl

  • 10,300 miles
Took vehicle to Ford dealer to have car inspected was told rotors had to be replaced due to wear brake pads were wearing un evenly car has been serviced by dealer when ever it needed inspection or oil changes uneven wear wasn't seen until warranty had run out the car had lest then 2000 miles on since last inspection. This has happened on other Ford vehicles in past pins that brake pads ride on have always been the cause. They are corroded.

- Jim Thorpe, PW, USA

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