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Ratings on over 1,000 new & used models going back 5 years, from the Center from Auto Safety. Learn more about The Car Book 2018 here.


hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
97,657 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.

2006 Mercury Mariner brakes problems

brakes problem

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2006 Mercury Mariner Owner Comments

problem #3

Mar 302015


  • 80,000 miles


The contact owns a 2006 Mercury Mariner. The contact stated that the brakes failed without warning. The contact was able to merge to the side of the road without incident. After inspecting the vehicle, the contact noticed that the two front driver side brakes lines connected to the caliber fractured. The manufacturer was made aware of the failure. The vehicle was repaired. The failure mileage was 80,000.

- South Bend, IN, USA

problem #2

Aug 082014


  • 145,000 miles
Tone ring snapped off of axle and caused the car to go into 2wd and apply the ABS brakes when not actually being needed which almost ended up in rear ending a car when the failure occurred. Tone ring design needs looked it. This should not happen. Corrosion building up between the tone ring and axle seems to be what caused the force of snapping this ring. Just a poor design.

- Felton, PA, USA

problem #1

Aug 212012

Mariner 4-cyl

  • 67,972 miles
While driving in the los angeles, ca the brake system message came on indicating that the ABS feature had shut down and I was left with only basic hydraulic brakes. I took it to the Ford dealer and they found a technical bulletin that indicated they need to jump one wire in the system. I had that done and paid for the repair. Several days later the check brake system message came on again. Both times the code reader indicated there was nothing wrong with the vehicle at the Ford dealer. The check brake message clears after you turn the vehicle off for a period of time. The vehicle has done this a number of times during the following months including on April 26 and 29. On May 3, 2013 I revisited the dealer and had the system rechecked and they found nothing wrong. They connected the code reader and examined the vehicle and could not find a problem. On May 15, 2013, the check brake message came on and this time I did not turn the vehicle off so the brake system message (check brake system and the buzzer sounding) was on when the mechanic arrived. Again they checked the vehicle and the code reader indicated all systems were fine, even though the message center said there was a problem. The personnel we talked to indicated that this problem has happened to a number of other vehicles and was most likely cause by the wiring harness but could not guarantee that would fix the intermittent problem. The cost to fix this problem was $4000. This in our opinion is a manufacturer defect. The wiring harness hasn't been tampered with and all repairs have been done at a Ford dealer. This is a safety issue as the ABS failure could cause an accident on slippery roads or during fast stops.

- San Jose, CA, USA

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