Remove/Install Radar Sensor In Rear Bumper - AR54.21-P-0704LWE

Model 213, 238 

With Code 233 (DISTRONIC PLUS) 

Model 213, 238 

With Code 234 (Blind Spot Monitoring) 

Shown on rear bumper (1) On Model 213 

Fig 1: Radar Sensor In Rear Bumper Model 238 With Code 233, 234 (Shown On Rear Bumper On Model 213)

Courtesy of MERCEDES-BENZ USA

	Notes on preventing damage to electronic components due to a magnetic tool		AH54.00-P-0002-01A
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove/install
1	Remove rear bumper (1)	Model 238 with code 233 (DISTRONIC PLUS) Model 238 with code 234 (Blind Spot Monitoring)	AR88.20-P-2200LWO
		Model 213.0/1 with code 233 (DISTRONIC PLUS) Model 213.0/1 with code 234 (Blind Spot Monitoring)	AR88.20-P-2200LW
		Model 213.2 with code 233 (DISTRONIC PLUS) Model 213.2 with code 234 (Blind Spot Monitoring)	AR88.20-P-2200LWS
2	Disconnect electrical connection (3) from rear bumper radar sensor (B92/6, B92/7, B92/10 or B92/11)
3	Unclip retaining clamp (2) and remove rear bumper radar sensor (B92/6, B92/7, B92/10 or B92/11)
4	Install in the reverse order
	Initial startup
5	Commission rear bumper radar sensor (B92/6, B92/7, B92/10 or B92/11)
		Model 238 with code 233 (DISTRONIC PLUS) Model 238 with code 234 (Blind Spot Monitoring)	AD00.00-P-2000-06LWO
		Model 213 with code 233 (DISTRONIC PLUS) Model 213 with code 234 (Blind Spot Monitoring)	AD00.00-P-2000-04B