Remove/Install Satellite Digital Audio Radio (SDAR) Control Unit - AR82.60-P-7545W

MODEL 172.4 

with CODE (494) USA version 

Fig 1: Satellite Digital Audio Radio (SDAR) Control Unit Components Location - Model 172.4 With Code 494

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Switch off ignition and remove transmitter key from EZS control unit	On vehicles with code (889) Keyless-Go: Press Keyless-Go start/stop button repeatedly until ignition is switched off. Remove transmitter key from vehicle and store it in a location beyond its transmission range (at least 2 m).
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
2	Remove paneling in luggage compartment	Only paneling at center.	AR68.30-P-4600W
3	Detach carrier
4	Separate electrical connectors (1)
5	Remove satellite digital audio radio (SDAR) control unit (N87/5)
6	Install in the reverse order