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Remove/Install Automatic Transmission Auxiliary Oil Pump - AR27.30-P-0651EWM

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Transmission 725.0 in model 166, 167, 172, 205, 207, 212, 213, 217, 218, 222, 231, 238, 253, 257, 290, 292 

Transmission 725.0 in model 463 

as of model year 2019 

Transmission 725.1 in model 213, 238, 257 

Shown on MODEL 292 

Fig 1: Automatic Transmission Auxiliary Oil Pump Components Location - Transmission 725.0 In Model 253 (Shown On Model 292)
G14135022Courtesy of MERCEDES-BENZ USA
  Notes on automatic transmission   AH27.19-P-0001-01NKB
REMOVINGINSTALLING Remove/install     
1 Remove fully integrated transmission control controller unit (Y3/8).   AR27.19-P-0200EWM 
2 Unscrew bolts (3). TORQUE SPECIFICATION Screw/bolt, electrical connection for auxiliary oil pump to control unit *BA27.19-P-1004-01D 
3 Unscrew and remove screws (2) and remove electric auxiliary oil pump (M42). INSTALLATION IMPORTANT : Replace screw/bolts (2).  
    TORQUE SPECIFICATION Screw/bolt, auxiliary oil pump to shift valve body cover *BA27.19-P-1002-01D 
4 Install in the reverse order.    
ELECTROHYDRAULIC CONTROLLER UNIT

Number Designation Transmission 725.0/1
BA27.19-P-1002-01D Screw/bolt, auxiliary oil pump to shift valve body cover Stage 1 Nm 4
Stage 2 ∠° 90
ELECTROHYDRAULIC CONTROLLER UNIT

Number Designation Transmission 725.0/1
BA27.19-P-1004-01D Screw/bolt, electrical connection for auxiliary oil pump to control unit Nm 5