AI Damage2007 Mercury Mariner: common problems
Owners of the 2007 Mercury Mariner filed 33 complaints with NHTSA, most often about powertrain and electrical system. Details by component below, with sources.
Key figures
- Owner complaints
- 33
- involving a crash
- 1
What fails most often
- 1 Powertrain 33% of all complaints
- 2 Electrical system 21% of all complaints
- 3 Engine 21% of all complaints
- 4 Vehicle speed control 12% of all complaints
- 5 Air bags 6% of all complaints
- 6 Engine and cooling 6% of all complaints
- 7 Suspension 6% of all complaints
- 8 Seat belts 3% of all complaints
- Powertrain: 11 complaints (33% of all).
- Electrical system: 7 complaints (21% of all).
- Engine: 7 complaints (21% of all).
- Vehicle speed control: 4 complaints (12% of all).
- Air bags: 2 complaints (6% of all), 1 of them with a crash reported by the owner.
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 2.3 L · petrol · 4 cyl
- 3 L · petrol · 6 cyl
- 2.3 L · hybrid · 4 cyl
- automatic, 4-speed
- CVTnamed in 1 complaints
Drive: AWD, FWD
Symptoms owners describe
How many of the 33 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Powertrain | 11 | 0 | 0 |
| Electrical system | 7 | 0 | 0 |
| Engine | 7 | 0 | 0 |
| Vehicle speed control | 4 | 0 | 0 |
| Air bags | 2 | 1 | 0 |
| Engine and cooling | 2 | 0 | 0 |
| Suspension | 2 | 0 | 0 |
| Seat belts | 1 | 0 | 0 |
| Service brakes | 1 | 0 | 0 |
| Steering | 1 | 0 | 0 |
| Tires | 1 | 0 | 0 |
| Other | 1 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
Rear-ended a snow plow going 30-35 mph when I was going 60 mph and the driver-side airbag failed to deploy resulting in serious injury.
90sWhile driving, the vehicle will suddenly display a warning message that says âStop Safely Nowâ. When this message appears, the hybrid system overheats and the vehicle immediately loses power. The gasoline engine and electric motor both shut down without warning, even at highway speeds.
The recall that ford is recalls 2007mercury mariner while driving vehicle just shuts off I was with my daughter driving on the highway lucky I was able to switch all 4 lanes the engine gets hot tempter gauge reading normal it stays in the middle turn vehicle ttb back on press pedal no power pump the pedal and hopes it…
While the contact's son was driving the vehicle, the transmission slipped and went into other gears. When the vehicle was in neutral, it shifted into drive on its own. On another occasion, the contact's son stated that the vehicle felt as if it were dragging after it jumped.
Takata recall I was on the express way in motion and the car shut down meaning that all of the gadges shut down. Then the car just coast until I could pull over without being hurt or hurting other drivers. Nothing showed up just shut down.
My son was using our car he drove it to work... All was fine...he used the car to go get lunch in the shopping center... Drove back from the shopping center to a parking spot outside his job location...
The contact stated that the front and rear driver side seat belts failed to latch. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The approximate failure mileage was 100,000.
My 18 year old son was driving my 2007 mercury mariner, when it started making loud noises and shaking like crazy, he was barely able to keep the vehicle running to get home. When my husband looked at vehicle and saw what it was doing, he thinks the transmission has gone out on it.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 6,523 of 36,656 model years in the NHTSA data (top 18% most complained about).
On average one model year of the Mariner has 185 complaints (7 years in the data). This year has 33, below average.
What to check before buying
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Vehicle speed control. Accelerator pedal, cruise control, throttle codes.
Other years of this model
Questions and answers
What are the most common problems with the 2007 Mercury Mariner?
Owner complaints to NHTSA most often mention: powertrain, electrical system, engine. Total complaints: 33. The most frequent symptoms in complaint texts: stalls while driving (12%), loss of power / limp mode (9%), warning lights, check engine (9%).
How many service bulletins (TSB) were issued for the 2007 Mercury Mariner?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2007 Mercury Mariner from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2007 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.