Remove/install power module of headlamp range adjustment (HRA [LWR]) - AR82.10-P-4013V

MODELS 171.4 with CODE (614) Bi-xenon headlamp unit 

Shown on left front lamp unit 

Fig 1: Identifying Power Module Of Headlamp Range Adjustment - Shown On Left Front Lamp Unit

Courtesy of MERCEDES-BENZ USA

	Removal/installation
1	Switch off the ignition and remove the transmitter key from the EIS control unit
2	Release left or right telescopic nozzle of the headlamp cleaning system and allow it to hang down with the washer fluid hose attached		AR82.15-P-6100V
3	Remove bolts (1)
4	Remove HRA [LWR] power module (E1n3) from underside of left front lamp unit (E1) or HRA [LWR] power module (E2n3) from underside of right front lamp unit (E2)	Installation:  Check that seal of (2) HRA [LWR] power module (E1n3) or HRA [LWR] power module (E2n3) is correctly seated.
5	Install in the reverse order
6	Perform function test of left front lamp unit (E1) and right front lamp unit (E2)