Research · Sport Utility Vehicle - 4WD
2007 Mercury Mariner HybridRecalls, problems, MPG & safety
NHTSA lists 0 safety recalls and 31 owner complaints for the 2007 Mercury Mariner Hybrid. Most complaints involve service brakes (8) and engine and engine cooling (6). The EPA rates it 27 mpg combined.
Combined MPG
27mpg
EPA · 1 version
NHTSA overall
—
Not rated by NCAP
Safety recalls
0campaigns
NHTSA
Owner complaints
31
Top: service brakes
Fuel cost / yr
$2,300est.
EPA estimate, best version
Safety recalls
NHTSA campaigns for this model year
0 recalls found in NHTSA data for the 2007 Mercury Mariner Hybrid as of Nov 10, 2026.
Data from NHTSA Recalls API · synced Nov 10, 2026NHTSA vehicle page
Owner complaints by component
31 complaints filed with NHTSA · Apr 2010 – Sep 2023
- Service brakes8
- Engine and engine cooling6
- Electrical system4
- Engine4
- Hybrid propulsion system3
- Power train3
- Structure2
- Steering2
- Fuel/propulsion system2
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Data from NHTSA Complaints API · synced Nov 10, 2026 · Full problem breakdownNHTSA vehicle page
What owners report most
Verbatim excerpts from NHTSA complaints, by component
Service brakes
8 reports
“TL* THE CONTACT OWNS A 2007 MERCURY MARINER HYBRID. WHILE DRIVING APPROXIMATELY 60 MPH, THE BRAKE PEDAL TRAVELED TO THE FLOORBOARD BEFORE THE VEHICLE STOPPED. THE ANTI-LOCK BRAKE SYSTEM AND THE BRAKE INDICATORS ILLUMINATED. THE CONTACT STATED THAT THE FAILURE OCCURRED FIVE OTHER TIMES INTERMITTENTLY. ONCE THE VEHICLE WAS TURNED OFF AND RESTARTED, THE FAILURE WOULD STOP. THE VEHICLE WAS TAKEN TO THE DEALER (ED WHITTMEIER FORD IN CHICO, CALIFORNIA) FOR DIAGNOSTIC TESTING, BUT THE FAILURE COULD NOT BE DUPLICATED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 84,000. *TT CONSUMER STATED BRAKES FAIL INTERMITTENTLY WHEN THEY FAIL THE ABS AND BRAKE LIGHT ON THE DASH ARE LIT UP. UPDATED 7/31/18*JB”
Engine and engine cooling
6 reports
“CAR ENGINE SUDDEN WENT DEAD IN THE MIDDLE OF HIGHWAY AND MESSAGE APPEARED THAT PULL OVER NOW FOR SAFETY. NO POWER TO WHEELS ECT. BARELY FOUND SAFE PLACE TO PULL OVER. DEALERSHIP SAID IT WAS CAUSED BY LEAKY WATER PUMP. VEHICLE WAS REPAIRED AT FOLSOM LAKE FORD. NO NOTE WAS ON THE DISPLAY SAYING WATER PUMP, JUST THE ABOVE MESSAGE. HAD TO WAIT AND RESTART ENGINE. THIS COULD HAVE CAUSED A SERIOUS ACCIDENT IN HIGH SPEED TRAFFIC ON A FREEWAY, ECT. *TR”
Electrical system
4 reports
“TL* THE CONTACT OWNS A 2007 MERCURY MARINER HYBRID. THE CONTACT STATED THAT THE ALARM SYSTEM SOUNDED INDEPENDENTLY. THE VEHICLE WAS NOT DIAGNOSED AND THE FAILURE RECURRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 70,000.”
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026
Engines, transmissions & drive
1 version rated by the EPA
- EPA class
- Sport Utility Vehicle - 4WD
- Engines
- 2.3L 4-cyl hybrid
- Transmissions
- Automatic (variable gear ratios)
- Drive
- 4-Wheel or All-Wheel Drive
- Fuel
- Regular Gasoline
Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.
Data from EPA fueleconomy.gov · synced Nov 10, 2026EPA listing
EPA fuel economy by version
City / highway / combined, annual fuel cost and CO₂
EPA
| Version | City | Hwy | Comb. | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|
| Mariner Hybrid 4WD Auto (variable gear ratios), 4 cyl, 2.3 L · 4-Wheel or All-Wheel Drive | 28 | 27 | 27 | $2,300 | 329 |
- 27mpg comb.
Data from EPA fueleconomy.gov · synced Nov 10, 2026 · Fuel cost is EPA’s annual estimate (15,000 mi, 55% city)
NHTSA 5-Star Safety Ratings
1 tested variant
NHTSA has not published 5-Star Safety Ratings for the 2007 Mercury Mariner Hybrid as of Nov 10, 2026.
Data from NHTSA NCAP Safety Ratings API · synced Nov 10, 2026Vehicle 2060
Maintenance basics
General guidance, not the OEM schedule. Check your owner’s manual.
General guidance
| Item | Miles | Time | Note |
|---|---|---|---|
| Engine oil & filter | 5,000–10,000 mi | 6–12 months | Follow the oil-life monitor if fitted |
| Tire rotation | 5,000–7,500 mi | Every oil change | Check pressure monthly |
| Engine air filter | 15,000–30,000 mi | 1–2 years | Sooner in dusty areas |
| Cabin air filter | 15,000–25,000 mi | 1–2 years | |
| Brake fluid | — | 2–3 years | Absorbs moisture over time |
| Coolant | 60,000–100,000 mi | 5–10 years | Long-life coolants last longer |
| Spark plugs | 60,000–100,000 mi | — | Iridium/platinum plugs at the long end |
| 12V battery | — | 3–5 years | Heat shortens battery life |
- Engine oil & filter5,000–10,000 mi
6–12 months - Tire rotation5,000–7,500 mi
Every oil change - Engine air filter15,000–30,000 mi
1–2 years - Cabin air filter15,000–25,000 mi
1–2 years - Brake fluid—
2–3 years - Coolant60,000–100,000 mi
5–10 years - Spark plugs60,000–100,000 mi
— - 12V battery—
3–5 years
Typical intervals for modern cars. Severe service (towing, short trips, extreme heat or cold) shortens them.
2007 Mariner Hybrid questions
How many recalls does the 2007 Mercury Mariner Hybrid have?
0 recalls found in NHTSA data as of Nov 10, 2026.
What are the most common 2007 Mercury Mariner Hybrid problems?
Owners filed 31 complaints with NHTSA. The most-cited components are service brakes (8), engine and engine cooling (6), electrical system (4). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.
What MPG does the 2007 Mercury Mariner Hybrid get?
The EPA rates the 2007 Mercury Mariner Hybrid at 27 mpg combined, depending on engine and drivetrain (1 version rated).
Data from NHTSA & EPA · synced Nov 10, 2026