SRS Control Unit: Installation
WARNING: This page is about a different car, the 1993 Mercedes-Benz 500SEL and 1993 Mercedes-Benz 500E. However, it is still accessible from the selected car via links, so may be relevant.
- Install SRS control unit with top arrow pointing toward front of vehicle. Tighten Torx TX30 bolts to specification. See TORQUE SPECIFICATIONS table. Connect SRS control unit harness connector. If wiring harness is attached to control unit, route new SRS wiring harness into original position and connect all SRS electrical connectors together.
- Activate air bag system. Check SRS warning light operation. See SYSTEM OPERATION CHECK . If SRS operates properly, disable air bag system. See DISABLING & ACTIVATING AIR BAG SYSTEM . Complete installation by reversing removal procedures. Activate air bag system. Perform SYSTEM OPERATION CHECK. If fault codes are present and/or SRS does not function properly, see DIAGNOSIS & TESTING .
- Install SRS control unit with top arrow pointing toward front of vehicle. Tighten SRS control unit Torx TX30 bolts to specification. See TORQUE SPECIFICATIONS table. Plug in SRS connector to SRS control unit.
- Before completing center instrument panel installation, activate air bag system. Check SRS warning light operation. See SYSTEM OPERATION CHECK . If fault codes are present and/or SRS does not function properly, see DIAGNOSIS & TESTING .
- If SRS functions properly, disable air bag system. See DISABLING & ACTIVATING AIR BAG SYSTEM . Continue installation procedures by reversing removal procedures. After installation procedures are completed, activate air bag system.
- Install SRS control unit with top arrow pointing toward front of vehicle. Tighten Torx TX30 bolts to specification. See TORQUE SPECIFICATIONS table. Route new SRS wiring harness into original wiring harness position, and connect all SRS electrical connectors together. Activate air bag system. Perform system operation check to ensure system is functioning properly. See SYSTEM OPERATION CHECK .
- If SRS functions properly, disable air bag system again and complete installation by reversing removal procedures. Activate air bag system and perform SYSTEM OPERATION CHECK . If fault codes are present and/or SRS does not function properly, see DIAGNOSIS & TESTING .