Remove/Install Control Unit For TELE AID Emergency Call System - AR82.95-P-0005GQ

MODEL 166 with CODE (494) USA version 

Fig 1: Control Unit For TELE AID Emergency Call System Components Location - Model 166 With Code 494

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Switch off ignition and remove transmitter key or KEYLESS-GO start/stop button from electronic ignition lock control unit	KEYLESS-GO start/stop button only on vehicles with code (889) Keyless-Go.
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
2	Remove rear seat backrest	60%	AR91.12-P-1620GQ
3	Remove rear seat cushion	60%	AR91.12-P-1020GQ
4	Remove door sill molding	Driver side, rear.
5	Lift floor covering
6	Unscrew nuts (1)
7	Turn bracket with emergency call system control unit (N123/4)
8	Separate electrical connectors (2)
9	Remove bolt (3)
10	Remove emergency call system control unit (N123/4)
11	Install in the reverse order