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Home >> Mercedes Benz >> 2021 >> A220 4Matic >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Electrical System, Equipment & Instruments - 177 Chassis (2 Of 4) >> Testing & Repair >> Remove/Install Short And Long-Range Radar Sensor - AR54.21-P-0702MFA

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

Model 118, 177, 243, 247.0/6 

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

Shown on model 177.0 with code 233 (Autonomous Intelligent Cruise Control Plus (DISTRONIC PLUS)) 

Fig 1: Short And Long-Range Radar Sensor Components Location - Model 177 With Code 233 (Shown On Model 177.0)
G15492017REMOVINGINSTALLINGREFER TO SELF-DIAGNOSTIC SYSTEMSREFER 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 Mercedes star. Model 118, 177, 247.0/6
with code 233 (Adaptive cruise control Plus (DISTRONIC PLUS))
AR88.40-P-4053MFA
    Model 243
with code 233 (Adaptive cruise control Plus (DISTRONIC PLUS))
AR88.40-P-4053EQA
2 Remove nuts (1).    
3 Remove short and long range radar sensor (B92/12) and release and disconnect electrical connector.    
4 Install in the reverse order.    
5.1 Commission the short- and long-range radar sensor (B92/12). Model 118, 177, 243, 247.0/6
as of model year 2022
with code 233 (Adaptive cruise control Plus (DISTRONIC PLUS))
 
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06MFA
5.2 Commission the short- and long-range radar sensor (B92/12). Model 118, 177, 243, 247.0/6
up to model year 2021
with code 233 (Adaptive cruise control Plus (DISTRONIC PLUS)) When short and long range radar sensor (B92/12) is being replaced.
 
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06MFA
5.3 Calibrate the short- and long-range radar sensor (B92/12) using the diagnostic system. Model 118, 177, 243, 247.0/6
up to model year 2021
with code 233 (Adaptive cruise control Plus (DISTRONIC PLUS))
 
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06MFA