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Home >> Mercedes Benz >> 2021 >> CLA250 4Matic >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System -- Body (1 Of 3) -- 118 Chassis >> Basic Knowledge >> Multimedia System Control, Basic Function - GF82.85-P-9904A

Multimedia System Control, Basic Function - GF82.85-P-9904A

Model All (4xWD) 

Model All (CAR) 

Overview 

This document contains information on:

General 

Multimedia system control (cars) 

The multimedia system control provides a user interface for the multimedia system in the central display or the front passenger display. For this, the multimedia system control evaluates the inputs of the multimedia system's control elements. Depending on the equipment installed, the multimedia system control provides the following functions:

Depending on the equipment installed, one of the following control units executes the functions of the multimedia system:

Multimedia system control (off-road vehicle with radio) 

The radio provides the following functions:

Function requirements 

Function 

Operation and display of the multimedia system (cars) 

The following control elements are, depending on the model and equipment, available for operating the multimedia system:

IMPORTANT

Depending on the equipment, functions of the multimedia system may also be operated using control element in the rear passenger compartment.

The multimedia system control evaluates the operation signals and performs the appropriate adjustments. The user interface for the multimedia system control is shown in the central display or in the front passenger display. The central display is available in various sizes depending on the equipment installed.

Operation and display of the multimedia system (off-road vehicle with radio) 

The control elements and the display are integrated into the radio. The display brightness, instrument lighting and time is set on the instrument cluster.

  Function schematics     
  Function schematic for multimedia system control Model 118, 177, 243, 247 PE82.85-P-2501-97A
    Model 167 PE82.85-P-2501-97B
    Model 206, 214, 236, 254 PE82.85-P-2501-97H
    Model 213 as of model year 2021 PE82.85-P-2501-97D
    Model 223 PE82.85-P-2501-97G
    Model 192, 232 PE82.85-P-2501-97J
    Model 238, 257 as of model year 2021 PE82.85-P-2501-97E
    Model 290 as of model year 2021 PE82.85-P-2501-97F
    Model 293 PE82.85-P-2501-97C
    Model 294, 295, 296, 297 PE82.85-P-2501-97I
  Further basic functions     
  Voice control, basic function Cars with Connect 20 GF82.70-P-9903A 
  Software update, basic function Model all (CAR) GF82.85-P-1003A 
  Gesture recognition system, basic function Model all (CAR) with code 77B (Contactless gesture control at front)
Model all (CAR) with code 78B (Contactless gesture control at rear)
GF82.90-P-9901A 
  Head unit control unit, basic function Cars with Connect 20 GF82.85-P-9891A 
  Head unit/instrument cluster control unit, basic function Model all (CAR) with code 545 (Connect 5 (NTG6)) GF82.85-P-9893A 
  Touchpad/lower control panel, basic function Model all (CAR) GF54.21-P-2006A
  Tablet cradle electric controller unit, basic function Model all (CAR) with code 447 (MBUX Rear-Tablet) GF54.21-P-2007A
  Basic function of head unit operating unit Model 290 as of model year 2021 except code 446 (Touchpad only) except code 448 (Touchpad)
Model all (CAR) with code 448 (Touchpad)
GF54.21-P-2008A
  Rear passenger compartment center console touchscreen, basic function Model 290 as of model year 2021 with code 224 (Individual rear seats) GF54.21-P-2009A
  Upper control panel control unit, basic function Model all (CAR) GF54.21-P-9898A
  Head unit/instrument cluster displays, basic function Model all (CAR) GF54.30-P-2005A
  Multifunction steering wheel, basic function Model all (CAR) GF82.90-P-2005A 
  Detailed information     
  Overview of multimedia system control/display elements, detailed information Model all (CAR) GF82.85-P-0100A