Retrofitting portable CTEL - AN82.70-P-0002MAA

MODEL 220 as of 1.7.00 up to 31.8.03 except CODE (852) CTEL preinstallation assembly at dome except CODE (855) TELE AID except CODE (819) CD changer (6 CDs) 

MODEL 220 as of 1.7.00 up to 31.8.03 except CODE (852) CTEL preinstallation assembly at dome except CODE (855) TELE AID except CODE (810) Sound system except CODE (819) CD changer (6 CDs) 

Fig 1: Overview Of Retrofitting Portable CTEL Components

Courtesy of MERCEDES-BENZ USA

	Remove
	Notes on telephone retrofitting	Model 220 from 1.7.00 up to 30.6.01.
1	Remove floor covering in rear passenger compartment
2.1	Remove radio	Model 220 up to 31.8.02 with code (750) MB Audio 30 RDS radio with code (753) MB Audio 10 RDS radio with code (756) MB Audio 10 RDS radio with CD tray
2.2	Remove operating/display unit with control unit	Model 220 up to 31.8.02 with code (352) COMAND operating and display system
3	Connect no load current retention unit
		Quiescent current retention unit CMP 12.2	*WH58.30-Z-1012-09A
	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.
4	Disconnect battery ground cable
	Notes on battery	All models
5.1	Open right front and rear cable ducts
5.2	Open left front cable duct
6	Remove armrest with console
7	Remove rear seat backrest
		Models 220.0/1 except code (223) Electrically adjustable rear bench seat except code (224) Electrically adjustable individual rear seats, with seat ventilation, heated seats, and memory package
		Model 220.0/1 with code (223) Electrically adjustable rear bench seat
8.1	Remove seat adjustment device on rear seat	Model 220.0/1/875/878 with code (223) Electrically adjustable rear bench seat with code (224) Electrically adjustable individual rear seats, with seat ventilation, heated seats, and memory package
9	Remove rear shelf
10	Remove trunk lining on right-hand side	Model 220.0/1
	Install
11	Retrofit fiber optic wiring harness	As of 1.7.00 up to 30.6.01 except code (810) Sound system except code (819) CD changer in luggage compartment (6 CDs) except code (852) Portable CTEL preinstallation on upper center console except code (855) TELE AID	AN82.70-P-0002-01MAA
	Cover fiber optic cable	Do not kink or stretch D2B fiber optic.  Install covers on fibre-optic coupling and equipment connector.	AR82.95-P-0005-01A
12	Retrofit telephone cable harness	As of 1.7.00 up to 30.6.01 except code (852) Portable CTEL preinstallation on upper center console except code (855) TELE AID Voltage supply wiring harness	AN82.70-P-0002-03MAA
13	Retrofit interface	For installation refer to:
		Remove/install vehicle interface (handy)
14.1	Retrofit telephone/GPS antenna	Only if necessary.
		Models 220.025/026/028/063/065/067/070/073/074/075/083/084/087/125/126/128/165/167/170/173/174/175/176/178/183/184/187 except code (354) (Antenna for telephone (D-network and E-network) except code (852) Portable CTEL preinstallation on upper center console except code (853) MB standard telephone except code (854) MB standard CTEL except code (855) TELE AID	AZ82.70-P-0001-08IA
15	Retrofit bracket for Nokia 6150 portable CTEL (telephone) on center console	Models 220.026/028/063/070/073/075 as of 1.7.00 except code (852) Portable CTEL preinstallation on upper center console except code (854) MB standard CTEL	AN82.70-P-0002-05MM
16	Retrofit E-net compensator onto parcel shelf	For installation refer to:
		Removing and installing E-network compensator
17.1	Retrofit hands-free system microphone	Only if necessary. Models 220.025/026/028/063/065/067/070/073/074/075/083/084/087/125/126/128/165/167/170/173/174/175/176/178/183/184/187	AN82.70-P-8969-04MA
18	Install remaining parts onto vehicle
19	Carry out start-up and function test	Perform version coding (telephone) with STAR diagnosis.
20	Add special equipment to the vehicle data card and to the online vehicle data card	MB standard CTEL code (854).