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Home >> Mercedes Benz >> 2019 >> C300 4Matic, 2D Convertible >> Repair and Diagnosis >> Accessories & Equipment >> Seats >> Seats, Bunks, Restraint Systems - 205 Chassis 2 Of 3 >> Testing & Repair >> Remove/Install Frontal Acceleration Sensor - AR91.60-P-0750LW

Remove/Install Frontal Acceleration Sensor - AR91.60-P-0750LW

Model 205 

Model 213 

Model 238 

Model 253 

Model 293 

Fig 1: Frontal Acceleration Sensor Components Location - Model 205
G14197845Courtesy of MERCEDES-BENZ USA

Shown on Model 205 

Topical note Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
  Notes on safety-relevant components   AH00.00-Z-0019-01A
REMOVINGINSTALLING Remove/Install     
1 Disconnect ground line from on-board electrical system battery. Model 293 AR54.10-P-0003EQ
    Model 238 AR54.10-P-0003LWO
    Model 205, 213, 253 AR54.10-P-0003LW
2.1 Loosen fender liner far enough to gain access to left frontal acceleration sensor (B48/1) or right frontal acceleration sensor (B48/2). Model 205, 253, 293 Model 213 (except 213.088/089/288/289), 238 except code 489 (AIR BODY CONTROL)
Model 213.088/089/288/289 Model 205, 253, 293
AR88.10-P-1300LW
    Model 213 (except 213.088/089/288/289), 238 except code 489 (AIR BODY CONTROL)
 
Model 213.088/089/288/289
AR88.10-P-1300LWE
2.2 Remove center front engine compartment lining. Model 213 (except 213.088/089/288/289), 238 with code 489 (AIR BODY CONTROL)  
      AR61.20-P-1105LWE
3 Remove screw (2) and place coolant circulation pump (M13/5) to one side with lines connected. Model 205, 213, 238, 253 Only when removing right frontal acceleration sensor (B48/2).  
4 Separate electrical connector (4, 5).    
5 Remove screw (1, 3) and remove left frontal acceleration sensor (B48/1) or right frontal acceleration sensor (B48/2). TORQUE SPECIFICATION Screw/bolt, frontal acceleration sensor to bumper crossmember *BA91.60-P-1009-01O 
6 Install in the reverse order    
7 Check Supplemental Restraint System (SRS) using vehicle diagnosis system.    
REFER TO SELF-DIAGNOSTIC SYSTEMS   Model 238 AD00.00-P-2000-06LWO
REFER TO SELF-DIAGNOSTIC SYSTEMS   Model 205 AD00.00-P-2000-04B
    Model 213
Model 253
 
REFER TO SELF-DIAGNOSTIC SYSTEMS   Model 293 AD00.00-P-2000-06FR
AIRBAG

Number Designation Model 205.0/1/2/3 Model 205.4
BA91.60-P-1009-01O Screw/bolt, frontal acceleration sensor to bumper crossmember Nm 9 9
AIRBAG

Number Designation Model 213 Model 238
BA91.60-P-1009-01O Screw/bolt, frontal acceleration sensor to bumper crossmember Nm 9 8
AIRBAG

Number Designation Model 253 Model 293
BA91.60-P-1009-01O Screw/bolt, frontal acceleration sensor to bumper crossmember Nm 9 9