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

MODEL 216.3

Fig 1: Identifying COMAND Controller Unit And Bolts

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). Installation: 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).	Installation: 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 Notes on avoiding damage to fiber optic cables during repair work	AH54.00-P-0001-01A
			AH82.60-P-0001-05AK
6	Install in the reverse order

WORKSHOP EQUIPMENT/MB TESTERS (SEE WORKSHOP EQUIPMENT MANUAL)

WE58.40-Z-1013-06A

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