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Home >> Mercedes Benz >> 2021 >> GT 53 AMG >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Electrical System, Equipment & Instruments (3 Of 4) -- 290 Chassis >> Testing & Repair >> Remove/Install Parktronic System (PTS) Sensors In Front Bumper - AR54.65-P-0001FR

Remove/Install Parktronic System (PTS) Sensors In Front Bumper - AR54.65-P-0001FR

Model 257, 290 

with code 235 (Active Parking Assist) 

Shown on removed front bumper on model 257 

Fig 1: Parktronic System (PTS) Sensors In Front Bumper Components Location - Model 290 With Code 235 (Shown On Model 257)
G16554066REMOVINGINSTALLINGINSTALLATION IMPORTANTINSTALLATION IMPORTANTCourtesy of MERCEDES-BENZ USA
Notice  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Remove service flap at front fender liner. When removing front parking system distance sensor (B8/1, B8/6).  
2 Remove front bumper. When removing front parking system distance sensor (B8/2, B8/3, B8/4, B8/5). AR88.20-P-2000FR
3.1 Remove impact absorber from front bumper. Model 257, 290
with code 235 (Active Parking Assist)
except code U60 (Pedestrian protection - Active hood)
 
    When removing front parking system distance sensor (B8/2, B8/3, B8/4, B8/5).  
Notice  General information on the impact absorber   AH88.20-P-1000-01A
3.2 Remove front bumper crash sensor together with impact absorber from front bumper. Model 257, 290
with code 235 (Active Parking Assist)
with code U60 (Pedestrian protection - Active hood)
 
    When removing front parking system distance sensor (B8/2, B8/3, B8/4, B8/5).  
Notice  General information on the impact absorber   AH88.20-P-1000-01A
Notice  Notes on pedestrian protection sensor   AH91.60-P-0001-01A
      AR91.60-P-0950FR
4 Release and disconnect electrical connector (1) at front parking system distance sensor (B8/1, B8/2, B8/3, B8/4, B8/5, B8/6).    
5 Release catch hooks of corresponding holder (2) in direction of arrow then remove front parking system distance sensor (B8/1, B8/2, B8/3, B8/4, B8/5, B8/6) from holder (2).    
Notice  Information on painting PARKTRONIC system sensors   AH98.00-P-9019-02A
    INSTALLATION IMPORTANT If the front parking system distance sensor (B8/1, B8/2, B8/3, B8/4, B8/5, B8/6) is replaced, it must be painted in the bumper color.  
    INSTALLATION IMPORTANT Check relevant seal (3).  
    If there is a problem,
↓
Replace relevant seal (3).
 
6 Install in the reverse order.