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Home >> Mercedes Benz >> 2019 >> C300 4Matic, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 347 (Electrical System, Equipment & Instruments - 253 Chassis 5 Of 9) >> Testing & Repair >> Remove/Install Radar Sensor In Rear Bumper - AR54.21-P-0704LWM

Remove/Install Radar Sensor In Rear Bumper - AR54.21-P-0704LWM

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Model 205 

as of model year 2019 

with code 233 (DISTRONIC PLUS) 

Model 205 

as of model year 2019 

with code 234 (Blind Spot Monitoring) 

Model 253 (except 253.992/993) 

as of model year 2020 

with code 233 (DISTRONIC PLUS) 

Model 253 (except 253.992/993) 

as of model year 2020 

with code 234 (Blind Spot Monitoring) 

Shown on model 205 with code 233 (DISTRONIC PLUS) 

Fig 1: Radar Sensor In Rear Bumper Components Location - Model 253 (Except 253.992/993) As Of Model Year 2020 (Shown On Model 205 With Code 233)
G14201316Courtesy of MERCEDES-BENZ USA

Shown on model 205 with code 234 (Blind Spot Assist) 

Fig 2: Radar Sensor In Rear Bumper Components Location - Model 253 (Except 253.992/993) As Of Model Year 2020 (Shown On Model 205 With Code 234)
G14201317REMOVINGINSTALLINGREFER TO SELF-DIAGNOSTIC SYSTEMSCourtesy 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
REMOVINGINSTALLING Remove/install     
1 Commission rear bumper radar sensor (B92/6, B92/7, B92/10, B92/11). When replacing rear bumper radar sensor (B92/6, B92/7, B92/10, B92/11).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04B
2 Remove bumper (1). Model 253 (except 253.992/993)
as of model year 2020
with code 233 (DISTRONIC PLUS)
Model 253 (except 253.992/993)
as of model year 2020
with code 234 (Blind Spot Monitoring)
AR88.20-P-2200LWG
    Model 205.2
as of model year 2019
with code 233 (DISTRONIC PLUS)
Model 205.2
as of model year 2019
with code 234 (Blind Spot Monitoring)
AR88.20-P-2200LWS
    Model 205.0/1/3/4
as of model year 2019
with code 233 (DISTRONIC PLUS)
Model 205.0/1/3/4
as of model year 2019
with code 234 (Blind Spot Monitoring)
AR88.20-P-2200LW
3 Release and remove holder (2) with rear bumper radar sensor (B92/6, B92/7, B92/10, B92/11).    
4 Disconnect electrical connector (3) from rear bumper radar sensor (B92/6, B92/7, B92/10, B92/11).    
5 Unclip rear bumper radar sensor (B92/6, B92/7, B92/10, B92/11) from cover and remove.    
6 Install in the reverse order