Offroad operating panel, component description - GF54.21-P-3520VGC

MODEL 166 with TRANSMISSION 722.9 up to model year 2016 with CODE 430 (On & off-road package)

Center console shown on model 166.0 (with CODE 430 (On & Offroad package))

Fig 1: Identifying Off-Road Operating Panel Control Unit And Off-Road Package Transmission Mode Controller - Shown On Model 166.0 (With Code 430)

Courtesy of MERCEDES-BENZ USA

Location

The off-road operating panel control unit is located in the center console between the front seats.

Task

General

The offroad operating panel control unit records the switch position of the off-road package transmission mode controller.

CAN bus

The offroad control panel control unit is connected through the center console switch LIN (LIN B12) to the SAM control unit (N10). The SAM control unit is connected to the CAN system of the vehicle via the interior CAN (CAN B) and forwards the data to the other control units.

Input and output signals

The off-road control panel control unit evaluates the following input signals and issues the corresponding output signals:

Direct input signals
Direct output signals
Center console switch LIN signals

Direct input signals

Circuit 30 (fused)
Circuit 31
Off-Road package transmission mode controller

Direct output signals

Light-emitting diode (LED) "Trailer"
LED "Snow"
LED "Sport"
LED "AUTO"
LED "Offroad 1"
LED "Offroad 2"

Center console switch LIN signals

Position of off-road package transmission mode controller

Wiring diagram for off-road control panel control unit

PE54.21-P-2117-97NAA