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

Model 213, 238 

with code 631 (Static LED headlamps, left-hand traffic) 

except code P35 (Light Package) 

Model 213, 238 

with code 632 (Headlamps, LED, static, right-side traffic) 

except code P35 (Light Package) 

Fig 1: Headlamp Control Unit Components Location - Model 213 With Codes 631; 632

Courtesy of MERCEDES-BENZ USA

	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove/install
1	Perform initial startup of left headlamp control unit (E1n9) or right headlamp control unit (E2n9)	When replacing left headlamp control unit (E1n9) or right headlamp control unit (E2n9).
		Model 213 with code 631 (Static LED headlamps, left-hand traffic) except code P35 (Light Package) Model 213 with code 632 (Headlamps, LED, static, right-side traffic) except code P35 (Light Package)	AD00.00-P-2000-04B
		Model 238 with code 631 (Static LED headlamps, left-hand traffic) except code P35 (Light Package) Model 238 with code 632 (Headlamps, LED, static, right-side traffic) except code P35 (Light Package)	AD00.00-P-2000-06LWO
2	Remove left front lamp unit (E1) or right front lamp unit (E2)	Model 213 with code 631 (Static LED headlamps, left-hand traffic) except code P35 (Light Package) Model 213 with code 632 (Headlamps, LED, static, right-side traffic) except code P35 (Light Package)	AR82.10-P-4730LW
		Model 238 with code 631 (Static LED headlamps, left-hand traffic) except code P35 (Light Package) Model 238 with code 632 (Headlamps, LED, static, right-side traffic) except code P35 (Light Package)	AR82.10-P-4733LWO
3	Remove bolts (1)
4	Pull out left headlamp control unit (E1n9) or right headlamp control unit (E2n9) until electrical connector is accessible	: Ensure gasket is correctly installed.
5	Unplug electrical connector and remove left headlamp control unit (E1n9) or right headlamp control unit (E2n9)
6	Install in the reverse order