Remove/install Digital Audio Broadcasting control unit (DAB) - AR82.60-P-2001CX

MODEL 204.2/9 with CODE 537 (Digital radio) 

Fig 1: Identifying Digital Audio Broadcasting Control Unit Remove/Install Components - Shown On Model 204.2

Courtesy of MERCEDES-BENZ USA

Shown on model 204.2 

Illustrated on model 204.9 

Fig 2: Identifying Digital Audio Broadcasting Control Unit Remove/Install Components - Illustrated On Model 204.2

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Notes on avoiding damage to optical fibers during repair work		AH82.60-P-0001-05AK
1	Temporarily store basic data of Digital Audio Broadcasting control unit (N87/3) in Star Diagnosis	When replacing Digital Audio Broadcasting control unit (N87/3).
			AD00.00-P-2000-04A
		Copy temporarily stored basic data into new Digital Audio Broadcasting control unit (N87/3).
2	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.
3	Remove front load compartment floor (1)	MODEL 204.2 with CODE 537 (Digital radio)	AR68.80-P-5800CX
		MODEL 204.9 with CODE 537 (Digital radio)	AR68.80-P-5800CY
4	Disconnect electrical connector with fiber optic cable (5) and electrical connector (6)
5	Expose electric wiring harness (7)	MODEL 204.2 with CODE 537 (Digital radio)
6	Unscrew nuts (9)	MODEL 204.9 with CODE 537 (Digital radio)
7	Unscrew screws/bolts (8)
8	Disconnect electrical connectors (10, 11)	MODEL 204.9 with CODE 228 (Auxiliary heater) with CODE 537 (Digital radio)
9	Unclip bracket (3) (arrows A) and remove from carrier plate (4) with Digital Audio Broadcasting control unit (N87/3)	MODEL 204.2 with CODE 537 (Digital radio) Ensure that tabs (arrows B) are properly seated in carrier plate (4).
10	Unscrew nuts (12) and remove bracket (13) with (A6/1) stationary heater radio remote control receiver	MODEL 204.9 with CODE 228 (Auxiliary heater) with CODE 537 (Digital radio) When replacing carrier plate (4) or Digital Audio Broadcasting control unit (N87/3).
11.1	Unscrew bracket (3) and remove Digital Audio Broadcasting control unit (N87/3)	MODEL 204.2 with CODE 537 (Digital radio) When replacing bracket (3) or Digital Audio Broadcasting control unit (N87/3).
11.2	Unscrew nuts (14) on underside of carrier plate (4) and remove Digital Audio Broadcasting control unit (N87/3)	MODEL 204.9 with CODE 537 (Digital radio) When replacing carrier plate (4) or Digital Audio Broadcasting control unit (N87/3).
12	Install in the reverse order