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Home >> Mercedes Benz >> 1990 >> 300SL Standard >> Repair and Diagnosis >> Accessories & Equipment >> Wiper/Washer Systems >> Electrical System - Body -- 129 Chassis >> Testing & Repair >> Removing and installing cellular telephone interface - AR82.70-P-7379EEE

Removing and installing cellular telephone interface - AR82.70-P-7379EEE

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

Fig 1: Identifying Cellular Telephone Interface
G04688628
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 paneling on left side in trunk    
4 Unscrew nuts (2) and screws (3)    
5 Carefully lift cradle with control module out of spare wheel recess NOTES Do not kink or stretch D2B fiber optic cable.
IMPORTANT Do not damage connection line.
 
6.1 Disconnect connection lead from telephone interface (A34/4)    
6.2 Disconnect connection lead on E-network compensator (A28/3) IMPORTANT Install caps on fiber optic cable connector and equipment connector  
7 Remove telephone interface (A34/4) from cradle (1) by unscrewing 2 screws (4)    
8 Install in the reverse order    
COMMERCIALLY AVAILABLE TOOLS

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