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Home >> Mercedes Benz >> 2016 >> C63 AMG >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System - Body - 205 Chassis - 1 Of 2 >> Testing & Repair >> Remove/install control unit for emergency call system - AR82.95-P-1005LW

Remove/install control unit for emergency call system - AR82.95-P-1005LW

MODEL 205 (except 205.047/147/247) 

with CODE 348 (Emergency call/assistant system) 

Fig 1: Emergency Call System Control Unit Remove/Install Components
G11139480DANGERNOTESIMPORTANTREMOVINGINSTALLINGREFER TO SELF-DIAGNOSTIC SYSTEMSIMPORTANTCourtesy of MERCEDES-BENZ USA
DANGER 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
NOTES Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
IMPORTANT Notes on sensor system for trunk lid opening/closing Model 205 (except 205.047/147/247)
with code 348 (Emergency call/assistant system)
with code P17 (KEYLESS-GO package)
AH80.61-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Carry out initial startup of emergency call system control unit (N123/4) When replacing emergency call system control unit (N123/4).  
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 cover in trunk at front Model 205.0 (except 205.047), 205.1 (except 205.147), 205.3
with code 348 (Emergency call/assistant system)
AR68.30-P-4600LW
3.2 Remove front section of load compartment floor Model 205.2 (except 205.247)
with code 348 (Emergency call/assistant system)
AR68.20-P-4811LW
4 Disconnect electrical connectors (3, 4, 5) IMPORTANT The number can vary according to the equipment.  
5 Remove screws/bolts (2)    
6 Pull emergency call system control unit (N123/4) rearwards out of retaining tabs (arrow) on bracket (1)    
7 Install in the reverse order