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Home >> Mercedes Benz >> 2021 >> C300 Base, 2D Convertible >> Repair and Diagnosis >> Accessories & Equipment >> Interior/Illumination Lights >> Electrical System - Body - 205 Chassis 4 Of 6 >> Testing & Repair >> Remove/Install Telematics Services Communications Module Control Unit - AR82.85-P-0020LW

Remove/Install Telematics Services Communications Module Control Unit - AR82.85-P-0020LW

Model 205.0 (except 205.013/047/053/054), 205.2 (except 205.213/247/253), 205.3 

with code 06U (Mercedes connect me standard services) 

Model 205.0 (except 205.013/047/053/054), 205.2 (except 205.213/247/253), 205.3 

with code 350 (Ecall emergency call system, Europe) 

Model 205.0 (except 205.013/047/053/054), 205.2 (except 205.213/247/253), 205.3 

with code B54 (Live Traffic Information) 

Model 205.0 (except 205.013/047/053/054), 205.2 (except 205.213/247/253), 205.3 

with code B57 (KOM Module battery charging) 

Fig 1: Telematics Services Communications Module Control Unit Components Location - Model 205.0/3 With Codes 06U, 350, B54 And B57
G14188074WARNINGREMOVINGINSTALLINGREFER TO SELF DIAGNOSTIC SYSTEMSIMPORTANTCourtesy of MERCEDES-BENZ USA
WARNING Risk of injury  caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof. No parts of the body or limbs should be within the operating area when the components are moving. AS00.00-Z-0011-01A
  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
  Notes on HANDS-FREE ACCESS   AH80.61-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Commission telematics services communication module (N112/1). When replacing telematics services communications module (N112/1).  
REFER TO SELF DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04B
2 Switch off ignition and store transmitter key outside of transmission range (min. 2 m).    
3.1 Remove front section of trunk floor. Model 205.0/3  
    Model 205.0 AR68.80-P-0005LWW
3.2 Remove load compartment floor front section. Model 205.2 AR68.80-P-0010LWS
4 Remove bolt (2) and pull out holder (1) towards rear.    
5 Disconnect electrical connectors (3, 4, 5).    
6 Remove bolt (6) and take off telematics services communications module (N112/1). IMPORTANT Bolt (6) is located on bottom of bracket (1)  
7 Install in the reverse order