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Remove/Install Regulator For Alternator - AR15.40-P-5760LWA

Engine 274.9 in model 205 (except 205.047/147/247) 

Engine 274.9 in model 253 (except 253.354/954) 

Shown on ALT (G2) in model 205.042 

Fig 1: Regulator/Controller For Alternator Components Location - Engine 274.9 In Model 253 (Except 253.354/954) (Shown On ALT (G2) In Model 205.042)
G12937524REMOVINGINSTALLINGTORQUE SPECIFICATIONCourtesy of MERCEDES-BENZ USA
Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Remove alternator (G2)   AR15.40-P-5032LWA 
2 Take off cover (1)    
3 Remove screw/bolt (3) TORQUE SPECIFICATION Bolt, regulator to alternator *BA15.40-P-1005-01F 
4 Remove regulator (4)    
5 Install in the reverse order    
ALTERNATOR

Number Designation Engine 274
BA15.40-P-1005-01F Bolt, regulator to alternator M4 X 13 Nm 2
M4 X 19 Nm 3