Remove/install COMAND APS hard drive - AR82.85-P-1001A

MODEL 164, 169, 171, 211, 219, 230, 245, 251 as of model year 2009 with CODE (512) COMAND APS with DVD changer with CODE (527) COMAND APS with single DVD drive (with navigation) except CODE (498) Japan version

MODEL 203.7 with CODE (527) COMAND APS with single DVD drive (with navigation) with CODE (044) New Telematics Generation NTG 2.5 except CODE (498) Japan version

MODEL 463 with CODE (EU1) COMAND APS except CODE (ZJ1) Japan version up to model year 2013/model refinement package 2012

Fig 1: COMAND APS Hard 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 faults require an exchange of the hard disk (2): System starts only as far as the star symbol and then shuts itself off again Permanent fault messages such as: Navigation unavailable Drive unavailable Music Register nonfunctional Fault code 94D9: Hard disk has malfunction
1	Perform initial startup of hard disk (2) at COMAND operating, display and controller unit (A40/3) with STAR DIAGNOSIS	When replacing hard disk (2).	AD00.00-P-2000-04A
2	Remove the COMAND operating, display and controller unit (A40/3)	Model 164	AR82.60-P-7502GZ
		Model 169, 245	AR82.85-P-1000AK
		Model 171	AR82.85-P-1000V
		Model 203.7	AR82.85-P-7472PA
		Model 211	AR82.85-P-1000T
		Model 219	AR82.60-P-7502TY
		Model 230	AR82.85-P-7472RA
		Model 251	AR82.60-P-7502RT
		MODEL 463	AR82.85-P-7472GY
3	Set down COMAND operating, display and controller unit (A40/3) on an electrostatic discharge (ESD) workstation	Otherwise damage to the electronics of the COMAND operating, display and controller unit (A40/3) or the hard disk (2) may occur. ESD protection
4	Remove screws/bolts (1)
5	Remove hard disk (2) upward (arrow)	Avoid contact of the conductor tracks on the circuit board, otherwise damage to the electronics of the hard disk (2) or the COMAND operating, display and controller unit (A40/3) may occur.
6	Install in the reverse order
7	Update map data for navigation system	Model 164, 169, 171, 219, 230, 245, 251 up to model year 2011 Model 203.7, 211
7	Update map data for navigation system	* Map update Model 164, 169, 171, 219, 230, 245, 251 as of model year 2011 MODEL 463	AP82.85-P-8250A
8	Perform function test