Offroad Operating Panel, Component Description - GF54.21-P-3520VGF

MODEL 166 with TRANSMISSION 725.0 as of model year 2016 with CODE 430 (On & off-road package) 

View of center console on vehicles with CODE 430 (On & Offroad package), shown on model 166.0 

Fig 1: Off-Road Operating Panel Control Unit Component Location - Model 166 With Transmission 725.0 As Of Model Year 2016 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 off-road control panel control unit records the position of the off-road package transmission mode control.

CAN bus 

The off-road 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 network 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) Individual
• Sport LED
• LED Comfort
• LED Slippery conditions
• LED Off-road
• LED Off-road+

Center console switch LIN signals 

Position of off-road package transmission mode controller