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Component Description For Keyless-Go Control Unit - GF80.61-P-4204GN

MODEL 166 as of model year 2016 

with CODE 889 (KEYLESS-GO) 

MODEL 166 as of model year 2016 

with CODE 893 (KEYLESS-GO) 

MODEL 292 with CODE 889 (KEYLESS-GO) 

MODEL 292 with CODE 893 (KEYLESS-GO) 

Shown on model 292 

Fig 1: Keyless-Go Control Unit Component Location - Model 166 As Of Model Year 2016 With Code 889 Or 893
G11970031Courtesy of MERCEDES-BENZ USA

Location 

The KEYLESS-GO control unit is located below the left rear seat.

Tasks 

The KEYLESS-GO control unit has the following purposes:

Reading in of signals 

Signals are read in via the following connections:

Direct line 

The signals from the following components are read via a direct line:

Interior CAN 

The signals are read in by the KEYLESS-GO control unit via the interior CAN.

The functions that use these signals are described in the individual function descriptions (see the appropriate block diagram or function schematic).

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 following components are actuated via a direct line:

  Wiring diagram for KEYLESS-GO control unit   PE80.61-P-2101-97NBA