Retrofit communications module control unit antenna - AZ82.62-P-0020MCC

MODEL 451.390/392/490/492 

with CODE C17 (Surround sound system) 

without CODE B54 (COM module (available from production launch 10/2012)) 

Fig 1: Identifying Communications Module Control Unit Antenna Related Components (1 Of 2)

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Communications Module Control Unit Antenna Related Components (2 Of 2)

Courtesy of MERCEDES-BENZ USA

	Risk of death  when touching components on vehicles with high-voltage on-board electrical system	Do not touch components and open lines of the high-voltage on-board electrical system. Persons who wear electronic implants (e.g. cardiac pacemakers), must not  carry out any work on high-voltage on-board electrical systems.	AS54.00-Z-0001-01A
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Note on high-voltage on-board electrical system		AH54.00-P-0010-01A
	Remove
1	Remove transmitter key and unplug battery charger from power supply
2	Remove paneling on right A-pillar	* not for USA ↓
		Remove/install paneling on A-pillar * for USA only ↓	AR68.30-P-4050MCC
		Remove/install paneling on A-pillar	AR68.30-P-4050MCU
	Install
3	Route communications module antenna line (2) between A-pillar and instrument panel into front passenger footwell
4	Connect communications module antenna line (2) to electric vehicle communications module control unit (N112/2)
5	Fasten communications module antenna line (2) in front passenger footwell to existing lines using cable ties
6	Route communications module antenna line (2) along A-pillar and roof paneling to attachment point of communications module antenna (1) (hatched area) and fix in place using strips of felt tape	The communications module antenna line (2) must be routed and fixed in place as shown (broken line). Otherwise it may cause damage or malfunction.
7	Clean bonding surface of communications module antenna (1) (hatched area)	The bonding surface of the communications module antenna (1) (hatched area) must be free of dust and grease.
8	Remove carrier foil from communications module antenna (1) and stick communications module antenna (1), as shown, in hatched area	Dimension: a = 15 mm The dimension (a) is measured from the communications module antenna (1) to the outer edge of the blackened area on the windshield.
9	Form loops of extended length of communications module antenna line (2) and fasten to roof paneling using felt tape
	Install
10	Install trim at right A-pillar	* not for USA ↓
		Remove/install paneling on A-pillar * for USA only ↓	AR68.30-P-4050MCC
		Remove/install paneling on A-pillar	AR68.30-P-4050MCU
11	Connect diagnostic system and select vehicle via the vehicle identification number (VIN)
			AD00.00-P-2000-04MCC
12	Adapt coding using diagnostic system in menu for electric vehicle communications module control unit (N112/2)	In the "Antenna" menu item, the coding has to be changed from "Internal" to "External".
13	Disconnect diagnostic system
			AD00.00-P-2000-04MCC