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Home >> Mercedes Benz >> 2019 >> C300 4Matic, 2D Convertible >> Repair and Diagnosis >> Restraints >> Seat Belts >> Seats, Bunks, Restraint Systems - 205 Chassis 2 Of 3 >> Testing & Repair >> Remove/Install Seat Occupancy Recognition Sensor/Weight Sensing System [WSS] Control Unit >> Remove/Install Seat Occupancy Recognition Sensor - AR91.60-P-0720LWA

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

Model 205, 213, 238, 253, 293 

except code U10 (Automatic Seat Occupancy Recognition And Child Seat Recognition) 

Shown on Model 205 up to model year 2015 

G14197843Courtesy of MERCEDES-BENZ USA

Shown on Model 205 as from model year 2015 

Fig 1: Seat Occupancy Recognition Sensor Components Location - Model 205 Except Code U10, Shown As From model year 2015
G14197844REMOVINGINSTALLINGINSTALLATION IMPORTANTINSTALLATION IMPORTANTINSPECTREFER TO SELF-DIAGNOSTIC SYSTEMSREFER TO SELF-DIAGNOSTIC SYSTEMSREFER TO SELF-DIAGNOSTIC SYSTEMSIMPORTANTCourtesy of MERCEDES-BENZ USA
  Notes on safety-relevant components   AH00.00-Z-0019-01A
REMOVINGINSTALLING Remove/Install     
1 Remove seat cushion padding of the front passenger seat. Model 205
except code 221 (Electrically Adjustable Left Driver Seat)
except code 222 (Electrically Adjustable Right Front Seat)
except code 241 (Memory Switch For Electrically Adjustable Front Passenger Seat, Left)
except code 242 (Front Passenger Seat, Electrically Adjustable With Memory Function)
except code 275 (Driver's Seat, Electrically Adjustable With Memory Function)
except code 555 (AMG Performance Seats)
except code P65 (Seat Comfort Package)
except code U10 (Automatic Seat Occupancy Recognition And Child Seat Recognition)
 
Model 238
except code 241 (Memory Switch For Electrically Adjustable Front Passenger Seat, Left)
except code 242 (Front Passenger Seat, Electrically Adjustable With Memory Function)
except code 275 (Memory package)
except code P65 (Seat Comfort Package)
except code U10 (Automatic Seat Occupancy Recognition And Child Seat Recognition)
 
Model 253
except code 221 (Electrically Adjustable Left Driver Seat)
except code 222 (Electrically Adjustable Right Front Seat)
except code 241 (Memory Switch For Electrically Adjustable Front Passenger Seat, Left)
except code 242 (Front Passenger Seat, Electrically Adjustable With Memory Function)
except code 275 (Driver's Seat, Electrically Adjustable With Memory Function)
except code 555 (AMG Performance Seats)
except code P65 (Seat Comfort Package)
except code U10 (Automatic Seat Occupancy Recognition And Child Seat Recognition)
 
Model 293
except code 221 (Electrically Adjustable Left Driver Seat)
except code 222 (Electrically Adjustable Right Front Seat)
except code 241 (Memory Switch For Electrically Adjustable Front Passenger Seat, Left)
except code 242 (Front Passenger Seat, Electrically Adjustable With Memory Function)
except code 275 (Driver's Seat, Electrically Adjustable With Memory Function)
except code P65 (Seat Comfort Package)
except code U10 (Automatic Seat Occupancy Recognition And Child Seat Recognition)
AR91.10-P-5040LWA 
    Model 205, 253, 293
with code 222 (Electrically Adjustable Right Front Seat) except code U10 (Automatic Seat Occupancy Recognition And Child Seat Recognition)
with code 241 (Memory Switch For Electrically Adjustable Front Passenger Seat, Left) except code U10 (Automatic Seat Occupancy Recognition And Child Seat Recognition)
with code 242 (Front Passenger Seat, Electrically Adjustable With Memory Function) except code U10 (Automatic Seat Occupancy Recognition And Child Seat Recognition)
with code 275 (Driver's Seat, Electrically Adjustable With Memory Function) except code U10 (Automatic Seat Occupancy Recognition And Child Seat Recognition)
with code P65 (Seat Comfort Package) except code U10 (Automatic Seat Occupancy Recognition And Child Seat Recognition)
 
Model 205, 253 with code 555 (AMG Performance Seats) except code U10 (Automatic Seat Occupancy Recognition And Child Seat Recognition)
 
Model 238
with code 241 (Memory Switch For Electrically Adjustable Front Passenger Seat, Left) except code U10 (Automatic Seat Occupancy Recognition And Child Seat Recognition)
with code 242 (Front Passenger Seat, Electrically Adjustable With Memory Function) except code U10 (Automatic Seat Occupancy Recognition And Child Seat Recognition)
with code 275 (Memory package) except code U10 (Automatic Seat Occupancy Recognition And Child Seat Recognition)
with code P65 (Seat Comfort Package) except code U10 (Automatic Seat Occupancy Recognition And Child Seat Recognition)
AR91.10-P-5040LW 
2 Release felt strip (1) and fold to one side. Model 205 up to model year 2015 except code U10 (Automatic Seat Occupancy Recognition And Child Seat Recognition)  
3 Release and disconnect electrical connector of front passenger seat occupancy recognition (B41/1) and remove electric line from seat adjuster. Model 205 as of model year 2016 except code U10 (Front passenger seat with sensor)
Model 213, 238, 253, 293 except code U10 (Front passenger seat with weight sensor)
INSTALLATION IMPORTANT
Ensure that electrical wiring harness of front passenger seat occupancy recognition (B41/1) is routed correctly at seat adjuster
4.1 Remove seat occupancy recognition on front passenger seat (B41/1) from padding (2). Model 205 up to model year 2015 except code U10 (Automatic Seat Occupancy Recognition And Child Seat Recognition)
INSTALLATION IMPORTANT
Ensure that front passenger seat occupancy recognition (B41/1) is in correct installation position.
 
4.2 Remove seat occupancy recognition on front passenger seat (B41/1) from seat adjuster. Model 205 as of model year 2016 except code U10 (Automatic Seat Occupancy Recognition And Child Seat Recognition)
 
Model 213, 238, 253, 293 except code U10 (Automatic Seat Occupancy Recognition And Child Seat Recognition)
 
5 Install in the reverse order.    
INSPECT Check     
6 Perform function check with diagnostic device    
REFER TO SELF-DIAGNOSTIC SYSTEMS   Model 293 except code U10 (Automatic Seat Occupancy Recognition And Child Seat Recognition) AD00.00-P-2000-06FR
REFER TO SELF-DIAGNOSTIC SYSTEMS   Model 238 except code U10 (Automatic Seat Occupancy Recognition And Child Seat Recognition) AD00.00-P-2000-06LWO
REFER TO SELF-DIAGNOSTIC SYSTEMS   Model 205, 213, 253 except code U10 (Automatic Seat Occupancy Recognition And Child Seat Recognition) AD00.00-P-2000-04B
    IMPORTANT Menu sequence:
SRS control unit →
Actual value →
Front passenger seat belt reminder warning If the front passenger seat is occupied by a person with a weight of > 48 kg, the actual value must change from UNOCCUPIED to OCCUPIED.