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

MODEL 164.### ## as of 006747, 169.### ## as of 044671, 203.### ## as of 657109, 209.### ## as of 152581, 245.### ## as of 000331, 251.### ## as of 005836 with CODE (525) MB Audio 50 APS radio 

After 24-month manufacturer's warranty for the radio and navigation unit has expired 

Fig 1: Identifying CD Drive In Audio 50 APS Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Remove/install
	Notes on avoiding damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	The following error 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)	Model 164	AR82.60-P-7502GZ
		Model 169, 245	AR82.60-P-7502AK
		Model 203	AR82.61-P-7412PA
		Model 209	AR82.61-P-7412QA
		Model 251	AR82.60-P-7502RT
2	Remove protective film attached to the side
3	Remove bolts (2)
4	Remove bolts (3)
5	Unscrew bolt (4)
6	Detach upper section of housing (5) on both sides from lower section of housing (6) using suitable screwdriver	Installation:  Ensure that upper section of housing (5) is seated correctly on lower section of housing (6).
7	Tilt upper section of housing (5) upward until plug (7) is accessible
8	Carefully disconnect plug (7)	Avoid touching the conductor tracks on the circuit board.
9	Detach upper section of housing (5) from lower section of housing (6)
10	Remove bolts (8)
11	Spread upper section of housing (5) and remove CD drive (1) from upper section of housing (5)	Installation:  Ensure that CD drive (1) is seated correctly on upper section of housing (5).
12	Install in the reverse order
13	Check navigation function	Start navigation (NAVI), enter destination and start route guidance.
14	Check playback function of an audio CD