Remove/install radio - AR82.60-P-7502CY

MODEL 204.9 as of model year 2013 with CODE 510 (Audio 20 with CD changer) with CODE 512 (COMAND APS with DVD changer) with CODE 523 (MB Audio 20 radio) with CODE 527 (COMAND APS with single DVD drive (with navigation))

Fig 1: Identifying Radio Remove/Install Components (1 Of 2)

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Radio Remove/Install Components (2 Of 2)

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Connect Star Diagnosis and perform initial startup of radio (A2) or radio with auto pilot system (A2/56) or COMAND controller unit (A40/3)	When replacing radio (A2) or radio with auto pilot system (A2/56) or COMAND controller unit (A40/3).
			AD00.00-P-2000-04A
		Transfer buffered basic data to new radio (A2) or new radio with auto pilot system (A2/56) or new COMAND controller unit (A40/3).
2	Remove center air vents (1)		AR83.10-P-4503W
3	Ensure that radio (A2) or radio with auto pilot system (A2/56) or COMAND controller unit (A40/3) is switched off
4	Loosen bolt (2)	Removal: Only loosen screws/bolts (2) until radio can be pressed off.
5	Press radio (A2) or radio with auto pilot system (A2/56) or COMAND controller unit (A40/3) using assembly wedge (5) off of instrument panel (3) and pull out until electrical connector (8) at upper control panel control unit (N72/1) is accessible	With code (220) Parktronic system (PTS) or with code (430) Off-road package or with code (483) ADVANCED AGILITY package or with code (540) Power roller blind for rear window or with code (873) Seat heater for left and right front seat) Removal: Carefully press off radio (A2) or radio with auto pilot system (A2/56) or COMAND controller unit (A40/3) at instrument panel (3) Otherwise the instrument panel may be damaged. Ensure that retention hooks (4) are seated correctly.
5		Mounting wedge	Figure
6	Disconnect electrical connector (8) at upper control panel control unit (N72/1)	With code (220) Parktronic system (PTS) or with code (430) Off-road package or with code (483) ADVANCED AGILITY package or with code (540) Power roller blind for rear window or with code (873) Seat heater for left and right front seat)
7	Disconnect electrical connectors and optical fiber connector at rear of radio (A2) or radio with auto pilot system (A2/56) or COMAND controller unit (A40/3)
	Notes on avoiding damage to optical fibers during repair work		AH82.60-P-0001-05AK
8	Remove screws/bolts (6) and remove cover (7) or upper control panel control unit (N72/1)	Only when replacing radio (A2) or radio with auto pilot system (A2/56) or COMAND controller unit (A40/3) Depending on the vehicle equipment, the cover (7) or the upper control panel control unit (N72/1) is installed.
9	Install in the reverse order

Fig 3: Identifying Mounting Wedge (110 589 03 59 00)

Courtesy of MERCEDES-BENZ USA