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Home >> Mercedes Benz >> 1997 >> SL320 >> Repair and Diagnosis >> Accessories & Equipment >> Interior/Illumination Lights >> Electrical System - Body -- 129 Chassis >> Testing & Repair >> Removing and installing GSM 1800 MHz network compensator - AR82.70-P-0010AA

Removing and installing GSM 1800 MHz network compensator - AR82.70-P-0010AA

MODEL 129 as of 1.7.00 with CODE (854) MB portable cellular telephone 

Fig 1: Identifying GSM 1800 MHZ Network Compensator
G04688627
REMOVINGINSTALLING Removal, installation     
1 Connect quiescent current retention unit COMMERCIALLY AVAILABLE TOOLS *WH58.30-Z-1012-09A 
DANGER Risk of explosion  from explosive gas. Risk of poisoning and caustic burns  from swallowing battery electrolyte. Risk of injury  from caustic burns to eyes and skin from battery electrolyte or from handling damaged lead acid batteries. No fire, sparks, naked flames or smoking. Wear acid-protective gloves, clothing and eye protection. Pour battery electrolyte only into suitable and appropriately marked containers. AS54.10-Z-0001-01A
2 Disconnect ground cable of battery   AR54.10-P-0003A
NOTES Notes on battery All models AH54.10-P-0001-01A
3 Remove left paneling in trunk    
4 Unscrew nuts (2) and screw (3)    
5 Carefully pry bracket (1) together with control module out of wheelhouse recess NOTES Do not kink or stretch D2B fiber optic cable.
IMPORTANT Do not damage connection lead.
 
6.1 Disconnect connection lead from CTEL interface (A34/4)    
6.2 Disconnect connection lead from E-network compensator (A28/3) IMPORTANT Install caps on fiber optic cable connector and equipment connection.  
7 Unscrew 2 screws (4) from bracket (1) of E-network compensator (A28/3)    
8. Install in the reverse order    
COMMERCIALLY AVAILABLE TOOLS

Number Designation
WH58.30-Z-1012-09A Quiescent current retention unit