Disconnecting and Connecting Ground Cable At Battery

Disconnect Ground Lead From Battery

1.4 Flip up trunk cover

2 Disconnect ground cable of battery

NOTE: After opening the vehicle wait for at least 4 minutes before disconnecting the battery otherwise the alarm will be triggered.

3 Connect ground cable

4 Code radio
- Becker 2000
- MB model 202

5 Set time at instrument cluster

NOTE: If necessary set time at stationary heater timer.