Remove/install COMAND controller unit - AR82.85-P-1100SC

MODEL 216.3 

Fig 1: Identifying COMAND Controller Unit Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
1.1	Temporarily store basic data from the COMAND controller unit (A40/3) in STAR DIAGNOSIS	When replacing the COMAND controller unit (A40/3). Transfer temporarily stored basic data to the new COMAND controller unit (A40/3).
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A
		STAR DIAGNOSIS, diagnosis system	*WE58.40-Z-1013-06A
2	Switch off ignition and withdraw transmitter key or Keyless Go start/stop button from the EIS [EZS] control unit	Keyless Go start/stop button only for vehicles with code (889) Keyless Go.
3	Remove cover for upper control panel control unit.		AR68.20-P-2314SC
4	Loosen bolts (1)	Screws (1) remain in the COMAND controller unit (A40/3).
5	Remove COMAND control unit (A40/3) from instrument panel and disconnect electrical connector at rear of COMAND control unit (A40/3).	Carefully slide COMAND control unit (A40/3) into instrument panel to prevent damaging electric leads and fiber optic cables.
	Notes on avoiding damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Notes on avoiding damage to fiber optic cables during repair work		AH82.60-P-0001-05AK
6	Install in the reverse order

WORKSHOP EQUIPMENT/MB TESTERS

WE58.40-Z-1013-06A

STAR DIAGNOSIS Compact diagnosis system for passenger cars, order number 6511 1801 00