Remove/install main audio components - AR82.60-P-7605SX

MODEL 216.3, 221.0 /1 

Shown on model 221 

Fig 1: Identifying Main Audio Remove/Install 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 of audio tuner control unit (N93/1) in STAR DIAGNOSIS	When replacing audio tuner control unit (N93/1). Installation  : Copy temporarily stored basic data to new audio tuner control unit (N93/1).
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A
2	Switch off ignition and withdraw transmitter key or Keyless Go start/stop button from the EIS [EZS] control unit	Keyless Go start/stop button only for vehicles with code (889) Keyless Go.
3	Remove spare tire well paneling	On model 216	AR68.30-P-4600SX
4	Release trim at side in luggage compartment (1) and swivel to one side until the audio tuner control unit (N93/1) is accessible		AR68.30-P-4600SX
5	Loosen nuts (5) and bolt (6), detach bracket (4) and place to one side with lines connected	For vehicles with code (218) Backup camera or with code (390 up to 396) Linguatronic or with code (529) HIGH Class Japan or with code (813) Voice control system (VCS [SBS])
6	Remove nut (7)
7	Unscrew bolt (8)
8	Unscrew bolt (9)	For vehicles with code (863) Digital/analog TV tuner
9	Raise bracket (13), place to one side and detach electrical connectors on audio tuner control unit (N93/1)	Do not twist wiring harness (11) (for code (863) Digital/analog TV tuner) and wiring harness (10) too far as otherwise the fiber optic cable may be damaged.
	Notes on avoiding damage to fiber optic cables during repair work		AH82.60-P-0001-05AK
10	Undo nuts (12) and remove audio tuner control unit (N93/1) from bracket (13)
11	Install in the reverse order