Special vehicle multifunction control unit (SVMCU [MSS]), component description (204.0/2 with CODE (965), rental vehicles up to 08/modification year 07) - GF54.21-P-4010CW

MODEL 204.0/2

with CODE (965) Electrical preinstallation, rental vehicles

up to Model Year 08/modification year 07

Fig 1: Locating Special Vehicle Multifunction Control Unit

Courtesy of MERCEDES-BENZ USA

Location

The multifunction control unit is located in the trunk in front of the spare tire well.

Task

The following basic functions can be switched active in the multifunction control unit:

Rental vehicle
Emergency alarm

Each of these base functions controls the inputs and outputs assigned to it. Inputs and outputs can be direct connections on the multifunction control unit or also signals received or transmitted on the interior CAN.

Direct connections

Electrical connector for two-way radio (A49x2)
Electrical connector 1 keyboard, radio data transmission (A49/5x1)
Electrical connector 2 keyboard, radio data transmission (A49/5x3)
Electrical connector, taximeter (A50x1)
"Erase" button for taxi emergency alarm system (S62/5)
"Trigger" button for taxi emergency alarm system (S62/6)
Electrical connector for Taxi peripheral devices (X1/44)
Electrical connector for roof sign lamp (X40)
Electrical connector for international roof sign (X40/2)

Controller Area Network (data bus/CAN bus) (CAN) signals

The multifunction control unit is a subscriber on the interior CAN (CAN B).