Connecting and disconnecting battery
→ Protective goggles must be worn at all times when working on the battery.
→ Do not disconnect battery with engine running.
→ Disconnect and reconnect battery with extreme caution. Risk of short circuit and explosion.
→ Do not tilt battery when removing it. Risk of acid burns as a result of emerging acid.
→ Do not rub the battery with a dry cloth. Risk of explosion as a result of static charge.
→ All loads must be switched off beforehand!
→ Never start engine without securely connected battery!
→ Do not use a boost charger to start the engine!
→ Whenever possible, use jump leads with overvoltage protection!
→ Always disconnect and cover both battery terminals before carrying out welding work on the vehicle!
→ For vehicles with auxiliary battery, also disconnect and cover both terminals of this battery before carrying out welding work!
→ Always pull off or push on the wiring harness plugs of control units or other electronic components when the ignition is switched off.
For vehicles with a Vehicle Tracking System (VTS), please read the → 906323 Vehicle Tracking System (VTS) TI!
Unscrewing ground strap from body:
1. Move front left seat back and up as far as possible.
2. Unclip front seat trim towards the front -arrow- . See Fig 1.
3. Fold up carpeting and unscrew fastening nuts from battery ground strap on the body.
4. Route or isolate ground strap so that all contact with a ground carrier (e. g. body, seat frame) is avoided.
Screwing ground strap onto body:
1. Position battery ground strap on the body and screw it on tight with the fastening nut. → Tightening torque: 20 (15 ftlb.) Nm
2. Clip in front seat trim -arrow- . See Fig 3.