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Remove/install frontal acceleration sensor - AR91.60-P-0750MCU

MODEL 451.3 /4 

Fig 1: Identifying Frontal Acceleration Sensor Components
G07077539Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
REMOVINGINSTALLING Remove/install     
1 Disconnect ground line of battery   AR54.10-P-0003MCC
2 Remove front CBS   AR88.00-P-1010MCC
3 Undo bolt (3) on driver-side frontal acceleration sensor (B48/1) or on the passenger-side frontal acceleration sensor (B48/2) NOTES Replace self-locking bolt (3).
IMPORTANT Counterhold the driver-side frontal acceleration sensor (B48/1) or the passenger-side frontal acceleration sensor (B48/2) at the rear.
 
    TORQUE SPECIFICATION *BA91.60-P-1008-01C 
4 Remove driver-side frontal acceleration sensor (B48/1) or the passenger-side frontal acceleration sensor (B48/2) from the CMS front (1) and detach the electrical connector (4) IMPORTANTInstallation:  The guide (2) must be inserted into the CMS front (1).  
5 Install in the reverse order    
6 Check supplemental restraint system using STAR DIAGNOSIS When replacing the driver-side frontal acceleration sensor (B48/1) or passenger-side frontal acceleration sensor (B48/2)  
REFER TO SELF-DIAGNOSTIC SYSTEMS Connect STAR DIAGNOSIS and read out fault memory   AD00.00-P-2000-04MCC
AIRBAG

Number Designation Model 451.3 Model 451.4
BA91.60-P-1008-01C Torx screw, frontal acceleration sensor to CMS front Nm 8 8