Remove/Install Fan For Headlamp Unit - AR82.10-P-4742W

Model 172 

with code 640 (High-performance LED) 

Model 172 

with code 641 (Dynamic LED headlamps, left-hand traffic) 

Model 172 

with code 642 (Dynamic LED headlamps, right-hand traffic) 

Fig 1: Headlamp Unit Fan Components Location - Model 172 With Codes 640, 641, 642

Courtesy of MERCEDES-BENZ USA

	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove/install
1	Remove front actuation module for LED headlamp unit		AR82.10-P-4656WM
2	Release and disconnect electrical connection (1)
3	Turn motor (2) approx. 50° in counterclockwise direction and remove	: Check for correct seating.
4	Install in the reverse order