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

Model 167 

With Code 233 (Adaptive cruise control Plus (DISTRONIC PLUS)) 

Fig 1: Short And Long-Range Radar Sensor Components Location - Model 167 With Code 233

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	Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).
2	Remove Mercedes star.		AR88.40-P-4053ME
3	Remove nuts (1).
4	Remove short and long range radar sensor (B92/12).
5	Release and disconnect electrical connector of short-range and long-range radar sensor (B92/12).
6	Install in the reverse order.
7	Perform commissioning of short and long range radar sensor (B92/12).	If the short-range and long-range radar sensor (B92/12) has been replaced.
			AD00.00-P-2000-06ME
	Calibrate
8	Calibrate the short- and long-range radar sensor (B92/12) using the diagnostic system.
			AD00.00-P-2000-06ME
		Calibration of the short-range and long-range radar sensor (B92/12) is also necessary if only the bumper or the radiator grille have been removed.