Remove/Install Short And Long-Range Radar Sensor - AR54.21-P-0702LWE

Model 213, 238 

with code 233 (Adaptive cruise control Plus (DISTRONIC PLUS)) 

Courtesy of MERCEDES-BENZ USA

Shown on model 213 without Mercedes star in the radiator grille 

	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
1.1	Unclip and remove cover (1) from radiator trim.	Model 213 with code 233 (Adaptive cruise control Plus (DISTRONIC PLUS)) If cover (1) is installed. Do not disconnect the electrical connector Mounting wedge	Fig 1
1.2	Remove Mercedes star from radiator grille.	If a Mercedes star is installed. Do not disconnect the electrical connector	AR88.40-P-4050LW
2	Unscrew nuts (2).
3	Remove short and long range radar sensor (B92/12) and disconnect electrical connector (3).
4	Install in the reverse order
5	Commission the short- and long-range radar sensor (B92/12).	When short and long range radar sensor (B92/12) is being replaced.
		Model 213 with code 233 (Adaptive cruise control Plus (DISTRONIC PLUS))	AD00.00-P-2000-04B
		Model 238 with code 233 (Adaptive cruise control Plus (DISTRONIC PLUS))	AD00.00-P-2000-06LWO
6	Calibrate short and long-range radar sensor (B92/12).
		Model 213 with code 233 (Adaptive cruise control Plus (DISTRONIC PLUS))	AD00.00-P-2000-04B
		Model 238 with code 233 (Adaptive cruise control Plus (DISTRONIC PLUS))	AD00.00-P-2000-06LWO

Fig 1: Identifying Mounting Wedge (110 589 03 59 00)

Courtesy of MERCEDES-BENZ USA