Remove/install Keyless Go control unit - AR80.35-P-0001CW

MODEL 204.0/2 with CODE (889) Keyless-Go 

Shown on model 204.0 

Fig 1: Identifying Keyless-Go Control Unit Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Temporarily store basic data for KEYLESS-GO control unit (N69/5) in STAR DIAGNOSIS	When replacing KEYLESS-GO control unit (N69/5). Transfer temporarily stored basic data to new KEYLESS-GO control unit (N69/5).
AD	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A
2	Open the cover (1)
3	Remove first-aid kit	On model 204.2
4	Loosen bolts (2); do not remove completely
5	Remove KEYLESS-GO control unit (N69/5) together with bracket (4) from mount
6	Disconnect electrical connectors (3) and remove KEYLESS-GO control unit (N69/5) from luggage compartment
7	Remove holder (4) from KEYLESS-GO control unit (N69/5)	When replacing KEYLESS-GO control unit (N69/5).
8	Install in the reverse order