Liftgate Control Unit, Component Description - GF80.20-P-6082GN

MODEL 166 as of model year 2016

with CODE 890 (EASY-PACK-tailgate)

MODEL 292

with CODE 890 (EASY-PACK-tailgate)

Shown on model 166.0

Fig 1: Liftgate Control Unit Component Location - Model 166 As Of Model Year 2016

Courtesy of MERCEDES-BENZ USA

Shown on model 292

Location

On MODEL 166:

The liftgate control unit is located in the right rear sidewall below the side window.

On MODEL 292:

The liftgate control unit is centrally located in the liftgate below the rear window.

Tasks

The liftgate 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 direct lines:

Right liftgate control Hall sensor (M51/3b1) and left liftgate control Hall sensor (M51/5b1) (on model 292)
Liftgate control Hall sensor (M51/3b1) (on model 166)
Liftgate control position sensor (M51/3b2) (on model 166)

Interior CAN

The following signals are read in over the interior CAN:

Vehicle speed (from instrument cluster (A1))
Status of driver trunk lid/liftgate control button (S15/3) (left front door control unit (N69/1))
Status of liftgate rotary tumbler switch (M14/7s1) (Rear control unit (N10/8))
Status of liftgate control button (S62/36) (Rear control unit)
Status of close-range recognition of transmitter key (A8/1)
Status of circuit 15 (Electronic ignition lock control unit (N73))
Status of open/close liftgate button on transmitter key (Electronic ignition lock control unit)

Evaluation of input factors

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

Actuation of components

The actuation of the components takes place via the following connections:

Direct line

The following components are actuated via direct lines:

Interior CAN

The following signals are transmitted via the interior CAN:

Wiring diagram for liftgate control unit