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

Model 253 (except 253.992/993) 

as of model year 2020 

with code 233 (DISTRONIC PLUS) 

Model 293 

with code 233 (DISTRONIC PLUS) 

Courtesy of MERCEDES-BENZ USA

Information on preventing damage to electronic components due to electrostatic discharge			AH54.00-P-0001-01A
	Notes on preventing damage to electronic components due to a magnetic tool		AH54.00-P-0002-01A
	Remove/install
1	Perform commissioning of short and long range radar sensor (B92/12).	When short and long range radar sensor (B92/12) is being replaced.
		Model 293 with code 233 (DISTRONIC PLUS)	AD00.00-P-2000-06FR
		Model 253 (except 253.992/993) as of model year 2020 with code 233 (DISTRONIC PLUS)	AD00.00-P-2000-04B
2	Switch off ignition and store transmitter key outside of transmission range (min. 2 m).
3	Remove Mercedes star.		AR88.40-P-4050LW
4	Remove nuts (1).
5	Disconnect electrical connector from short-range and long-range radar sensor (B92/12).
6	Remove short-range and long-range radar sensor (B92/12).
7	Install in the reverse order.