Remove/Install Front Overhead Control Panel - AR82.20-P-1100GQ

MODEL 166, 204.9 

Shown on model 166 

Illustrated on model 204.9 

	Remove/install
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Perform initial startup of overhead control panel control unit (N70)	MODEL 166, 204.9 with CODE 882 (Interior motion sensor)	AD00.00-P-2000-04A
2	Switch off ignition and remove transmitter key from electronic ignition lock control unit	On vehicles with code (889) KEYLESS- GO: Press keyless go start/stop button repeatedly until ignition is switched off. Remove transmitter key from vehicle and store it in a location beyond its transmission range (at least 2 m).
3	Unclip cover (6) at headliner (2)	MODEL, 204.9 Carefully position assembly wedge (01) between cover (6) and headliner (2). Otherwise damage to the headliner (2) occurs. Mounting wedge	Figure
4	Unclip overhead control panel control unit (N70) at rear at headliner (2)	Carefully position assembly wedge (01) between overhead control panel (N70) and headliner (2). Otherwise damage to the headliner (2) occurs. Installation: Ensure that clamps (4) are seated correctly at overhead control panel control unit (N70). Mounting wedge	Figure
5	Disconnect electrical lines (5) at overhead control panel control unit (N70)
6	Unclip overhead control panel control unit (N70) at front at headliner (2) and remove	To do so, pull overhead control panel control unit (N70) toward rear out of mounts of guides (3). Ensure that guides (3) are seated correctly in headliner (2).
7	Install in the reverse order
8	Carry out function check

Fig 1: Identifying Mounting Wedge (110 589 03 59 00)

Courtesy of MERCEDES-BENZ USA