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Remove/Install Radar Sensor - AR30.30-P-1210GQA

MODEL 166 (except 166.874) 

as of Model Year 2016 

with code 233 (DISTRONIC PLUS) 

MODEL 292 

with code 233 (DISTRONIC PLUS) 

Fig 1: Bumper Radar Sensor Components Location - Model 166 (Except 166.874) As Of Model Year 2016 With Code 233
G14135627NOTESREMOVINGINSTALLINGREFER TO SELF-DIAGNOSTIC SYSTEMSSPECIAL TOOLREFER TO SELF-DIAGNOSTIC SYSTEMSCourtesy of MERCEDES-BENZ USA
NOTES Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Connect diagnostic system and save basic data from front left bumper radar sensors control unit (i) or front right bumper (2) Only when replacing the front left bumper radar sensors control unit (1) or front right bumper radar sensor (2).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04A
2 Switch off ignition and store transmitter key outside of transmission range (at least 2 m)    
3 Remove front bumper Model 292
with code 233 (DISTRONIC PLUS)
AR88.20-P-2000GQC
Model 166 (except 166.874)
as of model year 2016
with code 233 (DISTRONIC PLUS)
AR88.20-P-2000GQ
4 Release and disconnect electrical connection (5)    
5 Remove clamp (4) on front left bumper radar sensor (1) or front right bumper radar sensor (2) or controller unit SPECIAL TOOL Mounting wedge Fig 2
6 Remove front left bumper radar sensor (1) or front right bumper radar sensor (2)    
7 Install in the reverse order    
  Initial startup     
8 Perform SCN coding of front left bumper radar sensors control unit (1) or front right bumper radar sensors (2) Only when replacing the front left bumper radar sensors control unit (1) or front right bumper radar sensor (2). AR54.21-P-0015X
9 Transfer over stored basic data to the front left bumper radar sensors control unit (1) or front right bumper radar sensor (2) Only when replacing the front left bumper radar sensors control unit (1) or front right bumper radar sensor (2).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04A
10 Perform commissioning of the front left bumper radar sensors control unit (1) or front right bumper radar sensor (2) Only when replacing the front left bumper radar sensors control unit (1) or front right bumper radar sensor (2).  
Fig 2: Identifying Mounting Wedge (110 589 03 59 00)
G07079389Courtesy of MERCEDES-BENZ USA