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Home >> Mercedes Benz >> 2021 >> GT 53 AMG >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System -- Body (2 Of 4) -- 290 Chassis >> Basic Knowledge >> Multifunction Steering Wheel, Basic Function - GF82.90-P-2005A

Multifunction Steering Wheel, Basic Function - GF82.90-P-2005A

Model All (4xWD) 

Model All (CAR) 

Example illustration of control elements on multifunction steering wheel 

G16550282Courtesy of MERCEDES-BENZ USA

Overview 

This document contains information on:

General 

The multifunction steering wheel (1) is a component of the vehicle's steering. It is used primarily to change the direction of the vehicle. In addition, a variety of functions can be operated using control elements (2 to 5) on the multifunction steering wheel.

Function 

Control elements of various button groups and the steering wheel gearshift buttons are located on the multifunction steering wheel (1). A variety of functions can be operated using the control elements. The description of the individual control elements is given in the detailed information listed below.

The on-board computer is operated using the cockpit display and is controlled using the finger navigation pad in the instrument cluster multifunction steering wheel button group (2).

The multimedia system is operated using the central display and is controlled using the finger navigation pad in the head unit multifunction steering wheel button group (3).

Both finger navigation pads have acoustic operation feedback that can be adjusted in the multimedia system.

A steering wheel electronics system is integrated into the multifunction steering wheel. This is connected to the network architecture of the vehicle.

The steering wheel electronics digitalize the operation signals from the multifunction steering wheel (1) control elements (2 to 5) and provide them to other vehicle systems.

  Further basic functions     
  Steering column tube module control unit, basic function   GF54.21-P-9893A
  Steering wheel electronics control unit, basic function   GF82.90-P-9890A 
  Detailed information     
  Multifunction steering wheel, detailed information Model 118, 167
up to model year 2023
Model 177, 247
up to model year 2022
Model 243
up to model year 2024
Model 293
GF82.90-P-2010A
    Model 118, 167
as of model year 2023
Model 177, 247
as of model year 2022
Model 192, 206, 214, 223, 232, 236, 254, 294, 295, 296, 297
Model 213, 238, 257, 290
as of model year 2021
Model 243
as of model year 2024
GF82.90-P-2010B
    Model all (4xWD) GF82.90-P-2010C
  Component descriptions     
  Hand detection sensor, component description Model 223 GF82.90-P-0007A
    Model 232 GF82.90-P-0007F
    Model 295 GF82.90-P-0007E
    Model 297 GF82.90-P-0007D
    Model 296 GF82.90-P-0007G
    Model 214 GF82.90-P-0007K
    Model 118, 177, 247
as of model year 2023
GF82.90-P-0007L
    Model 167
as of model year 2023
GF82.90-P-0007M
    Model 294 GF82.90-P-0007N
  Multifunction steering wheel button groups, component description Model 223 GF82.90-P-9894A
    Model 232 GF82.90-P-9894F
    Model 243 GF82.90-P-9894B
    Model 295 GF82.90-P-9894E
    Model 297 GF82.90-P-9894D
    Model 296 GF82.90-P-9894G
    Model 254 GF82.90-P-9894H
    Model 214 GF82.90-P-9894K
    Model 118, 177, 247
as of model year 2023
GF82.90-P-9894L
    Model 167
as of model year 2023
GF82.90-P-9894M
    Model 294 GF82.90-P-9894N