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Home >> Mercedes Benz >> 2009 >> E350 Base >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Electrical System, Equipment & Instructions -- Testing & Repair -- E350 (211.256) >> Testing & Repair >> Central gateway control unit (ZGW), remove and install - AR54.21-P-0817T

Central gateway control unit (ZGW), remove and install - AR54.21-P-0817T

MODEL 211.0/2/6 

Fig 1: Identifying Central Gateway Control Unit Components
G07284339Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Shown on model 211.0 

MODIFICATION NOTES

5.7.06 "Disconnect/connect battery ground line" removed
REMOVINGINSTALLING Remove/install     
NOTES Notes on avoiding damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
1.1 Store basic data from central gateway control unit (N93) temporarily in STAR DIAGNOSIS When installing new central gateway control unit (N93).
IMPORTANTInstall:  Transfer the temporarily stored basic data to the new central gateway control unit (N93).
 
REFER TO SELF-DIAGNOSTIC SYSTEMS Connect STAR DIAGNOSIS and read out fault memory AD00.00-P-2000-04TX
STAR DIAGNOSIS diagnosis system *WH58.30-Z-1048-13A 
2 Remove bolts (1)    
3 Unclip clip from cover (2)    
4 Fold cover (2) down until central gateway control unit (N93) is accessible    
5 Disconnect electrical connector (3)    
6 Unclip central gateway control unit (N93) from cover (2) and remove    
7 Install in the reverse order    
COMMERCIALLY AVAILABLE TOOLS

Number Designation
WH58.30-Z-1048-13A STAR DIAGNOSIS diagnosis system, Compact Passenger Car 6511 1801 00