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Home >> Mercedes Benz >> 2021 >> S500 >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Electrical System, Equipment & Instruments (2 Of 3) -- 223 Chassis >> Testing & Repair >> Remove/Install Front Midrange Radar Sensor - AR54.21-P-0707S

Remove/Install Front Midrange Radar Sensor - AR54.21-P-0707S

Model 223 

with code 239 (Adaptive cruise control Pro (DISTRONIC PRO)) 

Model 223 

with code 258 (Collision warning system with active brake application FCW-Stop) 

Fig 1: Front Midrange Radar Sensor Components Location - Model 223 With Code 239, 258
G16191644REMOVINGINSTALLINGREFER TO SELF-DIAGNOSTIC SYSTEMSREFER TO SELF-DIAGNOSTIC SYSTEMSCourtesy of MERCEDES-BENZ USA
Notice  Notes on preventing damage to electronic components due to a magnetic tool   AH54.00-P-0002-01A
Notice  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Remove radiator grille (1). Model 223
with code 239 (Adaptive cruise control Pro (DISTRONIC PRO)) Model 223
with code 258 (Collision warning system with active brake application FCW-Stop)
 
    Model 223.0/1
with code 239 (Adaptive cruise control Pro (DISTRONIC PRO)) Model 223.0/1
with code 258 (Collision warning system with active brake application FCW-Stop)
AR88.40-P-4001S
2 Remove bolts (2).    
3 Remove mid-range radar sensor (B92/20).    
4 Install in the reverse order.    
5.1 Commission mid-range radar sensor (B92/20). When replacing mid-range radar sensor (B92/20).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06FR
5.2 Calibrate mid-range radar sensor (B92/20). When reusing the medium-range radar sensor (B92/20).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06FR