Ambiance Illumination Control Unit, Component Description - GF82.20-P-5161FG

Model 213 up to model year 2021 with code 877 (Ambient lighting)

Fig 1: Ambiance Illumination Control Unit Components Location - Model 213 Up To Model Year 2021 With Code 877

Courtesy of MERCEDES-BENZ USA

Location

The ambient lighting control unit is located in the front passenger footwell.

Task

The ambient lighting control unit has the following tasks:

Reading in of signals

The signals are read in by the ambient lighting control unit via the interior CAN.

Evaluation of input factors

The input factors that have been read in are evaluated by the integrated microprocessor and the relevant components are then actuated.

Actuation of components

The components are actuated via the following lines:

Left front door ambiance illumination LIN

The signals are transmitted by the ambient lighting control unit via the left front door ambient lighting LIN.

Right front door ambiance illumination LIN

The signals are transmitted by the ambient lighting control unit via the right front door ambient lighting LIN.

Left rear door ambiance illumination LIN

The signals are transmitted by the ambient lighting control unit via the left rear door ambient lighting LIN.

Right rear door ambiance illumination LIN

The signals are transmitted by the ambient lighting control unit via the right rear door ambient lighting LIN.

Cockpit ambiance illumination LIN

The signals are transmitted by the ambient lighting control unit via the cockpit ambient lighting LIN.

Vehicle interior ambiance illumination LIN

The signals are transmitted by the ambient lighting control unit via the vehicle interior ambient lighting LIN.

Roof ambiance illumination LIN

The signals are transmitted by the ambient lighting control unit via the roof ambient lighting LIN.

Wiring diagram of ambiance illumination control unit