Remove/install radar sensors control unit - AR54.65-P-0040RK

MODEL 231 

with CODE 233 (DISTRONIC PLUS) 

with CODE 237 (Active Blind Spot Assist) 

with CODE 238 (Active lane keeping Assist) 

Fig 1: Radar Sensors Control Unit Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove/install
1	Switch off ignition and remove transmitter key (A8/1) or KEYLESS-GO start/stop button (S2/3) from electronic ignition lock control unit (N73)	KEYLESS-GO start/stop button (S2/3) only with code (889) KEYLESS-GO.
2	Remove cover under dashboard (1)	The video and radar sensor system control unit (N62/2) is located below the cover under the instrument panel (1) on the A-pillar.	AR68.10-P-1500RK
3	Remove bolt from bore (5) and remove video and radar sensor system control unit (N62/2)	Check guides (3) are correctly seated in the bracket at the top on the A-pillar. The guide pin of the bracket must engage in the bore (4).
4	Detach electrical lines from electrical connections (2) on video and radar sensor system control unit (N62/2)
5	Install in the reverse order
6	Conduct initial startup of video and radar sensor system control unit (N62/2) using STAR DIAGNOSIS Connect STAR DIAGNOSIS and read out fault memory	Only when replacing video and radar sensor system control unit (N62/2).	AD00.00-P-2000-04A