Remove/install rear control unit - AR67.39-P-4170SC

MODEL 216.3 

Fig 1: Identifying Rear Control Unit

Courtesy of MERCEDES-BENZ USA

	Remove/install
1.1	Buffer basic data of rear control unit (N22/6) in STAR DIAGNOSIS.	When replacing rear control unit (N22/6). Installation:  Transfer buffered basic data to new rear control unit (N22/6).
	Connect STAR DIAGNOSIS and read out fault memory		see AD00.00-P-2000-04A
		STAR DIAGNOSIS diagnostic system	see *WH58.30-Z-1048-13A
2	Remove side rear side paneling		see AR68.30-P-4780SC
3	Remove impact damper (1).
4	Unscrew nuts (2)
5	Remove rear control unit (N22/6) from bracket and disconnect all electrical connectors.
	Notes on avoiding damage to electronic components due to electrostatic discharge		see AH54.00-P-0001-01A
6	Install in the reverse order

COMMERCIALLY AVAILABLE TOOLS

Number	Designation
WH58.30-Z-1048-13A	STAR DIAGNOSIS diagnostic system, Compact Passenger Car 6511 1801 00