Remove/Install Front Headlamp Unit - AR82.10-P-4733FR

Model 257, 290 

Shown on the left front lamp unit (E1) 

Fig 1: Front Headlamp Unit Component Location - Model 257

Courtesy of MERCEDES-BENZ USA

Topical note	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
Topical note	Note on damage to lamp unit		AH82.10-P-0002-00LW
	Remove
1	Switch off ignition and store transmitter key outside of transmission range (min. 2 m).
2.1	Release bumper in area of left front lamp unit (E1) or right front lamp unit (E2).	When removing left front lamp unit (E1) or right front lamp unit (E2).	AR88.20-P-2000FR
2.2	Remove front bumper.	When removing left front lamp unit (E1) and right front lamp unit (E2).	AR88.20-P-2000FR
3	Remove screws (1, 2, 3).
4	Mask off front lamp unit (E1, E2) in area of fender with tape.	When reusing front lamp unit (E1, E2).
5	Pull out front lamp unit (E1, E2) until the electrical connector (4) is accessible.
6	Disconnect electrical connector (4) from front lamp unit (E1, E2).
7	Remove front lamp unit (E1, E2).
8	Remove headlamp control unit.	When replacing front lamp unit (E1, E2).	AR82.10-P-4660FR
9	Remove front LED matrix lamp unit control unit.	When replacing front lamp unit (E1, E2). Model 257 with code P35 (Light Package) Model 290	AR82.10-P-2025FR
	Install
10	Install front LED matrix lamp unit control unit.	When replacing front lamp unit (E1, E2). Model 257 with code P35 (Light Package) Model 290	AR82.10-P-2025FR
11	Install headlamp control unit.	When replacing front lamp unit (E1, E2).	AR82.10-P-4660FR
12	Mask off new front lamp unit (E1, E2) in area of fender with tape.	When replacing front lamp unit (E1, E2).
13	Position front lamp unit (E1, E2) and connect electrical connector (4).
14	Insert front lamp unit (E1, E2).
15	Screw in screws (1, 2, 3) gently by hand.
16.1	Install front bumper.	When installing left front lamp unit (E1) and right front lamp unit (E2).	AR88.20-P-2000FR
16.2	Secure bumper in area of front lamp unit (E1, E2).	When installing left front lamp unit (E1) or right front lamp unit (E2).	AR88.20-P-2000FR
17	Open maintenance flap in front fender liner.
18	Align front lamp unit (E1, E2) and tighten screws (1, 2, 3).
19	Close maintenance flap in front fender liner.
20	Remove tape from front lamp unit (E1, E2).
21	Perform commissioning of front lamp unit (E1, E2) using vehicle diagnosis system.	When replacing front lamp unit (E1, E2).
		Note matrix code on front lamp unit (E1, E2).	AD00.00-P-2000-06FR
	Check
22	Check and correct headlamp adjustment.
		Model 290	AP82.10-P-8260O
		Model 257	AP82.10-P-8260L