Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMERCURY2010MARINER HYBRID, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1013 (SEAT SYSTEM)DESCRIPTION AND OPERATIONSEATSFRONT SEATSOCCUPANT CLASSIFICATION SENSOR (OCS)
2010 Mercury Mariner Hybrid, AWD
Occupant Classification Sensor (OCS)
2010 Mercury Mariner Hybrid, AWDSECTION Occupant Classification Sensor (OCS)
WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
OCS system components [seat wiring harness, seat cushion foam pad, bladder with pressure sensor and Occupant Classification System Module (OCSM)] are calibrated to each other and are serviced as an assembly. If new OCS system components are needed, an OCS system service kit must be installed as an assembly.
The OCS system is standard equipment on all front outboard passenger seats. For information on diagnosing or servicing the OCS system, refer to the appropriate procedure in SUPPLEMENTAL RESTRAINT SYSTEM article.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.