Remove/Install Radar Sensor For Driver Assistance System In Rear Bumper - AR54.71-P-0003LW

Model 205.0/2/3/4 

with code 238 (Active lane keeping Assist) 

Model 205.0/2/3/4 

with code 253 (Rear impact warning and protection system) 

Model 253 

with code 238 (Active lane keeping Assist) 

Model 253 

with code 253 (Rear impact warning and protection system) 

Shown on model 205.0 

Fig 1: Radar Sensor For Driver Assistance System In Rear Bumper Component Location - Model 205.0/3/4 With Code 238; 253 (Shown On Model 205.0)

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	Notes on preventing damage to electronic components due to a magnetic tool		AH54.00-P-0002-01A
	Remove/install
1	Remove rear bumper (1).	Model 205.2 with code 238 (Active lane keeping Assist) Model 205.2 with code 253 (Rear impact warning and protection system)	AR88.20-P-2200LWS
		Model 205.0/3/4 with code 238 (Active lane keeping Assist) Model 205.0/3/4 with code 253 (Rear impact warning and protection system)	AR88.20-P-2200LW
		Model 253 with code 238 (Active lane keeping Assist) Model 253 with code 253 (Rear impact warning and protection system)	AR88.20-P-2200LWG
2	Release and disconnect electrical connector (2) from rear center bumper radar sensor (B92/1).
3	Release holder (3) and remove rear center bumper radar sensor (B92/1).
4	Install in the reverse order.
5	Commission rear center bumper radar sensor (B92/1).	When replacing rear center bumper radar sensor (B92/1).
			AD00.00-P-2000-04B