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Remove/install rear door control unit - AR72.29-P-1100SXS

MODEL 221.1 with CODE (Z07) Top protection 

Fig 1: Identifying Rear Door Control Unit Remove/Install Components
G10128617Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
NOTES Notes on avoiding damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
1.1 Intermediate store basic data of left rear door control unit (N69/3) or right rear door control unit (N69/4) in STAR DIAGNOSIS When replacing left rear door control unit (N69/3) or right rear door control unit (N69/4).
INSTALLATION IMPORTANT Transfer buffered basic data to new left rear door control unit (N69/3) or new right rear door control unit (N69/4).
 
REFER TO SELF-DIAGNOSTIC SYSTEMS Connect STAR DIAGNOSIS and read out fault memory AD00.00-P-2000-04A
2 Remove door lining from left or right rear door   AR72.12-P-1010SXS 
3 Switch off the ignition and remove the transmitter key from the EIS control unit    
4 Disconnect all electrical connectors from left rear door control unit (N69/3) or right rear door control unit (N69/4)    
5 Remove screws (1) and remove left rear door control unit (N69/3) or right rear door control unit (N69/4) from inner door panel (2) TORQUE SPECIFICATION *BA72.12-P-1023-01N 
6 Install in the reverse order    
REAR DOOR

Number Designation Model 221 with code Z07/Z07+Z19
BA72.12-P-1023-01N Bolt, door control unit to inner door panel Nm 5