Interior illumination (IBL) function - GF82.20-P-0002CA

MODEL 207.3/4 

Function requirements, general 

• No overvoltage or undervoltage

Interior illumination (IBL) in general 

The interior illumination includes all lamps in the vehicle interior.

Individual light functions are activated or deactivated depending on the user's requirements, the on-board electrical system and the ambient brightness.

The master control unit for the IBL is the front SAM control unit with fuse and relay module (N10/1).

The interior illumination consists of the following subfunctions, which are described in separate information:

• Manual interior lights control, function 
• Automatic interior lights control, function 
• Symbol and ambiance illumination, function