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Home >> Mercedes Benz >> 2021 >> Maybach GLS600 >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Electrical System, Equipment & Instruments - 167 Chassis (2 Of 4) >> Testing & Repair >> Remove/Install Front Sensor For Short-Range Radar - AR54.21-P-0706ME

Remove/Install Front Sensor For Short-Range Radar - AR54.21-P-0706ME

Model 167 

With Code 23U (Active Stop-and-Go Assist) 

Model 167 

With Code 292 (PRE-SAFE® Impulse Side) 

Fig 1: Front Sensor For Short-Range Radar Components Location - Model 167 With Code 23U; 292 (Shown With Engine 656 On Right Side)
G14791223Courtesy of MERCEDES-BENZ USA

Shown on model 167 with engine 656 on right side of vehicle 

G14791224Courtesy of MERCEDES-BENZ USA
Topical note  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
Topical note  Notes on preventing damage to electronic components due to a magnetic tool   AH54.00-P-0002-01A
REMOVINGINSTALLING Remove/install     
1 Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).    
2.1 Remove front section of the right or left front fender liner. Model 167 with engine 176, 256, 264, 654 with code 23U (Active Stop-and-Go Assist) Model 167 with engine 176, 256, 264, 654 with code 292 (PRE-SAFE® Impulse Side)  
      AR88.10-P-1301ME
2.2 Remove front section of the front right fender liner. Model 167 with engine 656 with code 23U (Active Stop-and-Go Assist)
Model 167 with engine 656 with code 292 (PRE-SAFE® Impulse Side)
Only when removing right outer front bumper
radar sensor (B92/5).
 
      AR88.10-P-1301ME
2.3 Detach left front bumper far enough until left outer front bumper radar sensor (B92/2) is accessible. Model 167 with engine 656 with code 23U (Active Stop-and-Go Assist)
Model 167 with engine 656 with code 292 (PRE-SAFE® Impulse Side)
Only when removing left outer front bumper
radar sensor (B92/2).
 
      AR88.20-P-2000ME
3 Unclip coolant hose (1) and place to one side. Model 167 with engine 656 with code 23U (Active Stop-and-Go Assist)
Model 167 with engine 656 with code 292 (PRE-SAFE® Impulse Side)
Only when removing right outer front bumper
radar sensor (B92/5).
 
4 Unlock and disconnect electrical connector at left outer front bumper radar sensor (B92/2) or right outer front bumper radar sensor (B92/5).    
5 Unclip holder (2) and remove left outer front bumper radar sensor (B92/2) or right outer front bumper radar sensor (B92/5).    
6 Install in the reverse order.    
7 Perform commissioning of left outer front bumper radar sensor (B92/2) or right outer front bumper radar sensor (B92/5). After replacement of left outer front bumper radar sensor (B92/2) or right outer front bumper radar sensor (B92/5).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06ME