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Home >> Mercedes Benz >> 2021 >> S500 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Electrical System -- Engine -- 223 Chassis >> Testing & Repair >> Remove/Install Regulator For Alternator - AR15.40-P-5760SVZ
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Remove/Install Regulator For Alternator - AR15.40-P-5760SVZ

Engine 279 in model 223 

G16190362Courtesy of MERCEDES-BENZ USA

Shown on removed controller (4) 

G16190363Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Remove alternator (G2/4).   AR15.40-P-5032SVZ 
2 Remove nuts (1) and remove cover (2). TORQUE SPECIFICATION Bolt/nut, cover to alternator *BA15.40-P-1005-01R 
3 Unscrew screws (3) and remove controller (4). INSTALLATION IMPORTANT : In the case of a new controller (4), carbon brushes (5) are secured (A). Press on cover (6) to release (B) and secure carbon brushes (5).
TORQUE SPECIFICATION Bolt, regulator to alternator
*BA15.40-P-1006-01R 
4 Install in the reverse order.    
ALTERNATOR

Number Designation Engine 279
BA15.40-P-1005-01R Bolt/nut, cover to alternator Nm 3
ALTERNATOR

Number Designation Engine 279
BA15.40-P-1006-01R Bolt, regulator to alternator Nm 3