Remove/Install Headlamp Control Unit - AR82.10-P-4660GQC

Model 166 as of model year 2016 

Model 292 

Fig 1: Headlamp Control Unit Components Location - Model 166 As Of Model Year 2016

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove/install
1	Connect diagnostic system and save basic data from left headlamp control unit (4) or right headlamp control unit (5)	Only when replacing the left headlamp control unit (4) or right headlamp control unit (5).	AD00.00-P-2000-04A
2	Remove left front lamp unit (1) or right front lamp unit (2)		AR82.10-P-4730GQC
3	Remove screws/bolts (3) at left headlamp control unit (4) or right headlamp control unit (5)
4	Pull out left headlamp control unit (4) or right headlamp control unit (5) until electrical connectors (6, 7) can be disconnected	Ensure that seal (8) is seated correctly at left headlamp control unit (4) or right headlamp control unit (5).
5	Disconnect electrical connectors (6, 7) and remove left headlamp control unit (4) or right headlamp control unit (5)
6	Install in the reverse order
	Initial startup
7	Perform SCN coding of left headlamp control unit (4) or right headlamp control unit (5)	Only when replacing the left headlamp control unit (4) or right headlamp control unit (5).	AR54.21-P-0015X
8	Transfer previously stored basic data to left headlamp control unit (4) or right headlamp control unit (5)	Only when replacing the left headlamp control unit (4) or right headlamp control unit (5).	AD00.00-P-2000-04A
9	Perform initial startup of left headlamp control unit (4) or right headlamp control unit (5)	Only when replacing the left headlamp control unit (4) or right headlamp control unit (5).