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Home >> Mercedes Benz >> 2012 >> S550 Base >> Repair and Diagnosis >> Accessories & Equipment >> Interior/Illumination Lights >> Electrical System - Body - 221 Chassis - 05 Of 10 >> Retrofitting & Conversion >> Retrofit fixed-installation telephone >> Retrofit fixed-installation telephone - AN82.70-P-0003M

Retrofit fixed-installation telephone - AN82.70-P-0003M

MODEL 220 as of 1.7.00 up to 30.6.01 except CODE (855) TELE AID except CODE (819) 6-disk CD changer 

MODEL 220 as of 1.7.00 up to 30.6.01 except CODE (855) TELE AID except CODE (810) Sound system except CODE (819) 6-disk CD changer 

Fig 1: Overview Of Retrofit Fixed-Installation Telephone Components
G10128944Courtesy of MERCEDES-BENZ USA
REMOVING Removal     
1 Connect quiescent current retention device   *WH58.30-Z-1012-09A 
DANGER Risk of explosion  caused by escaping oxyhydrogen gas. Risk of injury  caused by caustic burns to eyes, skin and mucous membranes from battery electrolyte (contains diluted sulfuric acid) or metal spatter due to short circuit. Risk of burn injuries  caused by short circuit. Risk of poisoning  caused by swallowing battery electrolyte (contains diluted sulfuric acid) or absorption of lead over the skin or orifices No fire, sparks, open flames or smoking. Wear acid-resistant gloves and clothing and safety glasses with side guards.
Do not place any conductive objects on the battery and avoid any short circuit from battery positive to ground.
Only fill liquid battery electrolyte (diluted sulfuric acid) into suitable and appropriately marked containers.
 
2 Disconnect ground cable of battery    
REFER TO TESTING & REPAIR      
NOTES Battery notes All types.  
3.1 Remove radio    
REFER TO TESTING & REPAIR      
3.2 Remove/install operating, display and control module with COMAND (code 352a) operating and display system  
REFER TO TESTING & REPAIR      
4 Remove rear passenger compartment floor covering    
REFER TO TESTING & REPAIR      
5.1 Open right front and rear cable ducts    
5.2 Open left front cable duct    
6 Remove armrest with console IMPORTANT Remove storage box with hinges (to be replaced by a new storage box with handset mounting).  
7 Remove left front and right seats    
REFER TO TESTING & REPAIR      
8 Remove and install SAM control module with fuse and relay box, left front IMPORTANT Do not remove completely, only do so far enough to enable an additional cable to be pulled through from driver's footwell and connected to fuse and relay box.  
REFER TO TESTING & REPAIR      
9 Remove rear seat and rear seat backrest    
REFER TO TESTING & REPAIR   Remove rear seat backrest.  
REFER TO TESTING & REPAIR   Remove rear backrest
with single seats (code 401).
 
10 Remove seat adjustment device with single seats (code 401).  
REFER TO TESTING & REPAIR      
11 Remove paneling on C-pillar    
12 Separate equipment plate below right rear seat    
13 Remove trunk lining on right-hand side    
REFER TO TESTING & REPAIR      
INSTALLING Install     
14 Retrofit fiber optic wiring harness   AN82.70-P-0002-01MMM
REFER TO TESTING & REPAIR Cover optical waveguide NOTESDo not kink or stretch D2B fiber optic. 
IMPORTANT Install covers on fiber-optic coupling and equipment connector.
AR82.95-P-0005-01A
15 Retrofit telephone cable harness IMPORTANT Voltage supply wiring harness AN82.70-P-0002-03MMM
16 Install CTEL D2B transceiver unit    
REFER TO TESTING & REPAIR      
17 Retrofit CTEL/GPS antenna IMPORTANT Only if necessary. AZ82.70-P-0001-08IA
18 Install handset IMPORTANT Install new storage box with handset.  
REFER TO TESTING & REPAIR      
19 Retrofit handsfree microphone IMPORTANT Only if necessary. AN82.70-P-8969-04MA
20 Fit remaining parts to vehicle    
21 Perform startup and function check IMPORTANT Carry out control unit coding (CTEL) using STAR diagnosis  
COMMERCIALLY AVAILABLE TOOLS

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

Part no. Designation Quantity
Design Group 82 Permanently installed CTEL control module 1
Design Group 82 Screw for permanently installed CTEL control module 2
Design Group 82 FFS wiring harness 1
Design Group 82 D2B wiring harness 1
Design Group 82 D2B clutch housing 1
Design Group 82 CTEL handset 1
Design Group 82 Mount (handset) 1
Design Group 82 Mount (connector) 1
Design Group 82 Adapter cable 1
Design Group 82 Screw 2
Design Group 82 Retainer plate in center armrest (only necessary for RHS, not required for LHS) 1
Design Group 69 Microphone for handsfree system (only if necessary) 1
Design Group 69 Mirror cover plate (only if necessary)
(Color depending on interior equipment - 7D431A26AG691A36+equipment)
1
Design Group 82 CTEL antenna assembly (only if necessary) 1
Design Group 82 Adhesive pad (only if necessary) 1
A000 995 04 14 Cable fastener (trunk) (only if necessary) 1
A009 997 53 81 Grommet (only if necessary) 1
A006 989 39 71 Bonding agent, 4299 Scotch-Mount glass primer (only if necessary) 1