Disconnecting and Connecting Battery Negative Lead

61 20 900 - Disconnecting and connecting battery negative lead





Warning!
Observe safety instructions Technician Safety Information for handling vehicle battery.
Follow instructions for disconnecting and connecting battery Instructions for Disconnecting and Connecting Battery!
Observe notes on power supply / on intelligent battery sensor (IBS).





Necessary preliminary tasks:
- Remove battery cover or open right luggage compartment trim panel Luggage Compartment Trim

Security version:

- Remove luggage compartment equipment carrier Removing and Installing/Replacing Luggage Compartment Equipment Carrier (Security)





Loosen nut (1).
Tightening torque 61 21 1AZ [1][2]Mechanical Specifications.

Important!
Do not under any circumstances use force to pull off pole shoe.
Do not under any circumstances release socket-head cap screw of IBS.

Detach battery negative lead with IBS towards top, lay to one side and secure.