Remove/Install HERMES Control Unit - AR82.95-P-0019FR

Model 257 

Model 290 

Courtesy of MERCEDES-BENZ USA

Topical note	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove/install
1	Carry out commissioning of HERMES control unit (N112/9).	When replacing the HERMES control unit (N112/9).
			AD00.00-P-2000-06FR
2	Switch off ignition and store transmitter key outside of transmission range (min. 2 m).
3	Release head unit (A26/17) and pull backwards far enough to enable the HERMES control unit (N112/9) to be removed.		AR82.85-P-1101FR
		Cover center console. Otherwise, the center console may be damaged.
		Do not disconnect electrical connectors at head unit (A26/17).
4	Disconnect electrical connectors (3, 4) at HERMES control unit (N112/9).	The number of electrical connectors (4) can vary depending on the equipment installed.
5	Unscrew screw/bolts (1).
6	Remove bracket (2) with HERMES control unit (N112/9) from head unit (A26/17).
7	Remove screw on underside of bracket (2).	Model 257 When replacing the HERMES control unit (N112/9).
8	Unclip HERMES control unit (N112/9) from holder (2) and remove.	When replacing the HERMES control unit (N112/9).
9	Install in the reverse order.