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Home >> Mercedes Benz >> 2019 >> GLC300 Base >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System, Equipment & Instruments - 253 Chassis - 4 Of 7 >> Testing & Repair >> Remove/Install Rear SAM Control Unit - AR54.21-P-1269LWG

Remove/Install Rear SAM Control Unit - AR54.21-P-1269LWG

Model 253 

G12938427Courtesy of MERCEDES-BENZ USA
  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
  Notes on HANDS-FREE ACCESS   AH80.61-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Perform initial startup of rear SAM control unit (N10/8) When replacing the rear SAM control unit (N10/8).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04B
2 Switch off ignition and remove transmitter key    
3 Remove right load compartment trim Model 253 (except 253.992/993) AR68.30-P-1180LWG
    Model 253.992/993 AR68.30-P-1180RFW
4 Detach all electrical connections from rear SAM control unit (N10/8) IMPORTANT The electrical connections are coded and cannot be interchanged.
The number of electrical connectors may vary depending on the equipment.
 
5 Unscrew nut (1)    
6 Remove rear SAM control unit (N10/8)    
7 Install in the reverse order