Remove/install CD drive in the Audio 50 APS - AR82.61-P-0100A

MODEL 171.4 up to 2.3.08 except CODE (809) Model year 2009 with CODE (525) MB Audio 50 APS radio After expiration of 24-month manufacturer's warranty for the radio and navigation unit 

MODEL 211.0/2/6 up to 1.6.08 except CODE (809) Model year 2009 with CODE (525) MB Audio 50 APS radio After expiration of 24-month manufacturer's warranty for the radio and navigation unit 

MODEL 219.3 up to 2.3.08 except CODE (809) Model year 2009 with CODE (525) MB Audio 50 APS radio After 24-month manufacturer's warranty for the radio and navigation unit has expired 

Shown on model 211 

Fig 1: Identifying Audio CD Drive 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
	The following fault messages require the CD drive (1) to be replaced: CD/DVD cannot be ejected General CD/DVD read error
1	Remove radio and navigation unit (A2/56) or radio control panel and navigation unit (A2/56) and place on an electrostatic discharge (ESD) workstation	Otherwise damage may occur to the electronics in the CD-drive (1) or the radio and navigation unit (A2/56) or the radio control panel and navigation unit (A2/56). ESD protection
		Model 171.4	AR82.60-P-7502V
		Model 211	AR82.60-P-7502T
		Model 219.3	AR82.60-P-7502TX
2	Remove safety film attached to side of radio and navigation unit (A2/56) or radio control panel and navigation unit (A2/56)
3	Remove bolts (2)
4	Swivel housing upper section (3) upwards until the electrical connector (5) is accessible	Ensure that upper section of housing (3) is seated correctly on lower section of housing (4).
5	Separate electrical connector (5)	Avoid contacting the conductor tracks on the PCB as otherwise damage may occur to the electronics in the CD drive (1).
6	Detach upper section of housing (3) from lower section of housing (4)
7	Unlock locks (6) by spreading upper section of housing (3) and remove CD drive (1) from upper section of housing (3)	Ensure that CD drive (1) is seated correctly on upper section of housing (3) (arrows) and in locks (6).
8	Install in the reverse order
9	Check navigation function	Start navigation, enter destination and start route guidance.
10	Check playback function of an audio CD