2008 Mercury Mountaineer - Maintenance & Specs
The 2008 Mercury Mountaineer belongs to a Mercury Mountaineer lineup that Know Your Ride tracks across 6 model years, from 2000 to 2010. Engine options on record include the 4.0L, 4.6L, 4.0L V6 / 4.6L V8. It is configured as rear-wheel drive with an automatic 5-spd. The 2008 sits mid-run, with both earlier (2000) and later (2010) Mountaineer model years also documented.
It takes 5W-30 full synthetic oil, 4.5 qt with a new filter meeting API SP. Fluid specs on file include Motorcraft Orange coolant, DOT 3 brake fluid. Know Your Ride lists 14 scheduled maintenance items for this vehicle, the earliest interval falling at 7,500 miles. Documented torque values include oil drain plug 20 ft-lb, lug nut 80 ft-lb, spark plug 18 ft-lb.
NHTSA complaints for this vehicle cluster around seats (25), electrical system,seats (15), electrical system (13). A representative report reads: "The contact owns a 2008 Mercury Mountaineer. The contact stated that the check engine warning light was illuminated. The contact stated the vehicle stalled..." There are 2 safety recalls on record; one covers: CERTAIN CURVED TEMPERED REPLACEMENT GLASS MANUFACTURED BY HANGZHOU SAFETY GLASS LTD AND SUPPLIED TO SAFELITE BY AUTO TEMP INC., IDENTIFIED AS....
EPA fuel economy is rated at 14 city / 20 highway MPG, 16 MPG combined. Estimated annual fuel cost is about $2,750.
Quick Specs
| Oil viscosity | 5W-30 |
| Oil type | Full Synthetic |
| Oil capacity (w/ filter) | 4.5 qt |
| OEM oil spec | API SP |
| EPA combined | 16 MPG |
| Coolant | Motorcraft Orange |
| Open recalls on record | 2 |
| Technical service bulletins | 8 |
Common Trouble Codes
- P0300 - Random/Multiple Cylinder Misfire Detected
- P0420 - Catalyst System Efficiency Below Threshold (Bank 1)
- P0171 - System too Lean (Bank 1)
- P0128 - Insufficient Coolant Temperature for Stable Operation
- P0442 - Evaporative Emission Control System Leak Detected (small leak)
- P0455 - Evaporative Emission Control System Leak Detected (gross leak)
- P0700 - Transmission Control System Malfunction
- P0301 - Cylinder 1 Misfire Detected
- U0100 - Lost Communication With ECM/PCM A
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Part of the free Know Your Ride vehicle maintenance reference. Figures are sourced from EPA, NHTSA and manufacturer data and are for general reference - always confirm with your owner's manual.