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Home >> Mercedes Benz >> 2019 >> S450 Base >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Doors - 222 Chassis (1 Of 2) >> Testing & Repair >> Remove/Install Front Door Control Unit - AR72.29-P-1001LFS

Remove/Install Front Door Control Unit - AR72.29-P-1001LFS

Model 222.1 

with code Z07 (B7 armoring on special protection version) 

G15380361Courtesy of MERCEDES-BENZ USA
Topical note  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Intermediately store basic date of front door control unit (1) in diagnostic equipment When replacing front door control unit (1).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04B
2 Switch off ignition and remove transmitter key or KEYLESS-GO stop/start button    
3 Remove front door lining   AR72.10-P-1000LF 
4 Disconnect electrical connectors (3) from front door control unit (1) IMPORTANT Number of electrical connectors can vary according to vehicle equipment.  
5 Unclip front door control unit (1) from bracket (2) and remove    
6 Install in the reverse order