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

MODEL 117 

MODEL 156 

MODEL 176 

MODEL 242 

MODEL 246 

Shown on MODEL 246 with CODE 512 (COMAND APS with DVD changer) 

Fig 1: Radio Remove/Install Components - Shown On Model 246 With Code 512 (1 Of 3)
G10250670Courtesy of MERCEDES-BENZ USA
Fig 2: Radio Remove/Install Components - Shown On Model 246 With Code 512 (2 Of 3)
G10250671Courtesy of MERCEDES-BENZ USA
Fig 3: Radio Remove/Install Components - Shown On Model 246 With Code 512 (3 Of 3)
G10250672Courtesy of MERCEDES-BENZ USA
NOTES Notes on avoiding damage to optical fibers during repair work   AH82.60-P-0001-05AK
NOTES Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Connect Star Diagnosis and perform initial startup of COMAND controller unit (A40/3) or radio When replacing COMAND controller unit (A40/3) or radio.  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04A
2 Remove left and right center air vent   AR83.10-P-4503NKB
3 Remove lock screws (1) and reposition IMPORTANT Screw in lock screws/bolts (1) one thread further.  
4 Cover center console with a cloth and pull COMAND controller unit (A40/3) or radio out of instrument panel using pulling hooks at lock screws/bolts (1) until white connector (4) is accessible SPECIAL TOOL Extraction hook Fig 4
5 Disconnect white connector (4) from upper control panel control unit (N72/1)    
6 Pull COMAND controller unit (A40/3) or radio out of instrument panel using pulling hooks at lock screws/bolts (1) until electrical connectors (2) and black connector (3) on back of unit are accessible SPECIAL TOOL Extraction hook Fig 4
7 Disconnect electrical connectors (2) and black connector (3) and remove COMAND controller unit (A40/3) or radio from vehicle INSTALLATION IMPORTANT When inserting COMAND controller unit (A40/3) or radio in installation opening, locks (5) must point in direction of passenger compartment.  
8 Remove upper control panel control unit (N72/1) When replacing COMAND controller unit (A40/3) or radio. AR54.21-P-1262NKB
9 Install in the reverse order    
Fig 4: Extraction Hook (140 589 02 33 00)
G07627544Courtesy of MERCEDES-BENZ USA