Remove/install control unit for TELE AID emergency call system - AR82.95-P-0005SC

MODEL 216 with CODE (494) USA version 

Fig 1: Identifying Emergency Call System Control Unit, Antenna Splitter And Nuts

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Switch off ignition and remove the transmitter key from the 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).
2	Remove overpressure reservoir	Only with code (409) Left/right front multicontour seats or with code (432) Left and right dynamic multicontour seat	AR91.25-P-1570SX
3	Remove antenna splitter (1)	Do not disconnect electrically
4	Electrically disconnect emergency call system control unit (N123/4)
5	Unscrew nuts (3)
6	Remove emergency call system control unit (N123/4)
7	Install in the reverse order