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Home >> Mercedes Benz >> 2012 >> GLK350 Base >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System - Body - 204 Chassis - 3 Of 6 >> Testing & Repair >> Remove/install telematics services communications module control unit - AR82.85-P-0020CYA

Remove/install telematics services communications module control unit - AR82.85-P-0020CYA

MODEL 204 with CODE B54 (COM module) 

Fig 1: Identifying Telematics Services Communications Module Control Unit Remove/Install Components - Illustrated With Model 204.9
G09984050Courtesy of MERCEDES-BENZ USA

Illustrated with model 204.9 

Shown on model 204.2 

Fig 2: Identifying Telematics Services Communications Module Control Unit Remove/Install Components - Shown On Model 204.2
G09984051NOTESREMOVINGINSTALLINGREFER TO SELF-DIAGNOSTIC SYSTEMSCourtesy of MERCEDES-BENZ USA
NOTES Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Switch off ignition    
2.1 Remove glove box (1)    
MODEL 204.9
with CODE B54 (COM module)
AR68.10-P-1200CY
2.2 Open left side paneling flap in trunk MODEL 204.0/2/3
with CODE B54 (COM module)
 
3 Remove first aid kit MODEL 204.0/3
with CODE B54 (COM module)
 
4 Unclip retaining clip (2) MODEL 204.9
with CODE B54 (COM module)
 
5 Disconnect electrical connector (4) and USB connector (5) MODEL 204.9
with CODE B54 (COM module)
 
6 Remove screw/bolt (3) and remove telematics services communications module control unit (N112/2) MODEL 204.9
with CODE B54 (COM module)
 
7 Unscrew nuts (6), disconnect connectors and remove telematics services communications module control unit (N112/2) MODEL 204.0/2/3
with CODE B54 (COM module)
 
8 Connect STAR DIAGNOSIS and read fault memory    
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04A
9 Install in the reverse order