380SL (107.045) V8-3.8L (116.960) (1982)
Standby Power Supply: Service and Repair
Removing and Installing Reserve Power Source for Airbag and Belt Tensioner (up to 09/87):
NOTE: In vehicles with airbag 1/3 (recognizable from the inscription 1/3 on the test coupling/plug connection, airbag, 10-pin, X29/9), the reserve
power source is removed and the plug connection is isolated.
Special Tools (Vehicles Up To 9/87)
NOTE: The 2nd version differs in the modified location of the red 10-pin plug connection from the bracket of the foot-operated parking brake to the
plate located under the foot rest.
Removing:
1. Turn ignition key to position "0", disconnect negative terminal of battery and cover.
2. Remove front cover left under dashboard on first version only.
3. Disconnect red 10-pin plug connection on bracket of foot-operated parking brake or on plate in passenger footwell.
4. Remove hardtop or fold back roadster top (on vehicles with heated rear window loosen plug connection).
5. Remove left-hand side panel in rear compartment.
6. Unscrew bolts and deposit voltage transformer.