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Home >> Mercedes Benz >> 2023 >> GLA45 AMG >> Repair and Diagnosis >> Accessories & Equipment >> Seats >> Seats, Bunks, Restraint Systems -- 247 Chassis (2 Of 2) >> Testing & Repair >> Remove/Install Seat Occupancy Recognition Sensor >> Remove/Install Seat Occupancy Recognition Sensor - AR91.60-P-0720MFA

Remove/Install Seat Occupancy Recognition Sensor - AR91.60-P-0720MFA

Model 118, 177, 243, 247 

with code U10 (Front passenger seat with weight sensor) 

Fig 1: Seat Occupancy Recognition Sensor Components Location - Model 247 With Code U10
G16053510REMOVINGINSTALLINGNOTESSPECIAL TOOLNOTESIMPORTANTSPECIAL TOOLINSTALLATION IMPORTANTINSTALLATION IMPORTANTIMPORTANTREFER TO SELF-DIAGNOSTIC SYSTEMSSPECIAL TOOLCourtesy of MERCEDES-BENZ USA
Notice  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 Remove seat cushion of front passenger seat. Model 118, 177, 247 with code U10 (Front passenger seat with weight sensor) except code 555 (AMG-Performance Seat) AR91.10-P-3310MFA 
    Model 118, 177, 247 with code 555 (AMG-Performance Seat)
with code U10 (Front passenger seat with weight sensor)
except code 7U1 (Manually adjustable front seats)
except code 7U2 (Luxury front seats)
except code 7U4 (Seat model variant 4)
AR91.10-P-3310MFD 
2 Unclip sensor mat (1) from seat frame. NOTES Do not kink, crush or otherwise damage the hose of the sensor mat (1).
Otherwise malfunctions will occur.
 
    SPECIAL TOOL Dismantling tool
If the mounting clips are damaged,

Replace sensor mat (1).
Fig 2
3 Release and disconnect electrical connector (4).    
4 Unclip pressure sensor line (2). NOTES Do not kink, crush or otherwise damage the hose of the sensor mat (1).
Otherwise malfunctions will occur.
 
    IMPORTANT Pay attention to installation position of corrugated hose and of Weight Sensing System (WSS) control unit (N110).  
    SPECIAL TOOL Dismantling tool Fig 2
5 Lift sensor mat (1) and unscrew screw (3).    
6 Guide out sensor mat (1) with front passenger seat occupancy recognition sensor (B41/1) and pressure sensor line (2). INSTALLATION IMPORTANT : Make sure that the pressure sensor line (2) is routed correctly.  
    INSTALLATION IMPORTANT : The transport lock on new seat cushion must be removed.  
    IMPORTANT The sensor mat (1), the front passenger seat occupancy recognition sensor (B41/1) and the pressure sensor line (2) form a unit. Do not separate the unit and do not replace separately.  
7 Install in the reverse order.    
  Initial startup     
8 Perform commissioning of Weight Sensing System (WSS) control unit (N110).    
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06MFA
    SPECIAL TOOL Plates Fig 3
Fig 2: Identifying Dismantling Tool (000 589 95 63 00)
G12619044Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Plates (000 589 00 32 00)
G13848940Courtesy of MERCEDES-BENZ USA