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Home >> Mercedes Benz >> 2019 >> S450 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Electrical System - Engine - 222 Chassis >> Testing & Repair >> Remove/Install Regulator For Alternator - AR15.40-P-5760LFA

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

Engine 276.8 in model 217, 222 

Fig 1: Regulator For Alternator Components Location - Engine 276.8 In Model 222
G15362467Courtesy of MERCEDES-BENZ USA

Shown: control with locked carbon brushes (A) and with extended carbon brushes (B) 

G15362468Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Remove alternator (G2)   AR15.40-P-5032LFA 
2 Unscrew nuts (1) and remove cover (2) TORQUE SPECIFICATION Bolt/nut, cover to alternator *BA15.40-P-1008-01F 
3 Unscrew screws/bolts (3) and remove control (4) INSTALLATION IMPORTANT The carbon brushes (5) of the new control (4) are locked by means of the protective cap (6) upon delivery. After assembly of the control (4), the carbon brushes (5) must be audibly applied to the rotor (7) of the alternator (G2) by pressing on the protective cap (6).  
    TORQUE SPECIFICATION Bolt, regulator to alternator *BA15.40-P-1005-01F 
4 Install in the reverse order    
ALTERNATOR

Number Designation Engine 276
BA15.40-P-1005-01F Bolt, regulator to alternator M4X13 Nm 2
M4X19 Nm 3
ALTERNATOR

Number Designation Engine 276
BA15.40-P-1008-01F Bolt/nut, cover to alternator Nm 3