Remove/Install Crash Sensor - AR91.60-P-0950S

Model 223 

with code U60 (Pedestrian protection - Active hood) 

Fig 1: Crash Sensor Components Location - Model 223 With Code U60

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	General information on the impact absorber		AH88.20-P-1000-01A
Topical note	Notes on pedestrian protection sensor		AH91.60-P-0001-01A
	Notes on safety-relevant components		AH00.00-Z-0019-01A
	Remove/install
1	Remove front bumper.	Model 223 with code U60 (Pedestrian protection - Active hood) Model 223.0/1 with code U60 (Pedestrian protection - Active hood)	AR88.20-P-2000S
2	Disconnect electrical connector (3) from crash sensors (B4/43, B4/44).
3	Remove hose (1) from groove in impact absorber (2).	: Check hose (1) is correctly seated in impact absorber (2). Do not kink hose (1). Malfunctions can occur otherwise. : Insert hose (1) as deep as possible into groove of impact absorber (2). : The hose (1) must protrude the same amount on the left and right at the impact absorber (2).
4	Remove crash sensors (B4/43 B4/44) from impact absorber (2) and take off together with hose (1).	Do not disconnect crash sensors (B4/43 B4/44) from hose (1). Malfunctions can occur otherwise.
5	Install in the reverse order.