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Home >> Mercedes Benz >> 2013 >> CL550 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Electrical System - Engine - 216 Chassis >> Testing & Repair >> Remove/install regulator for alternator - AR15.40-P-5760SXA

Remove/install regulator for alternator - AR15.40-P-5760SXA

ENGINES 157, 272, 276, 278 in MODEL 221 

ENGINES 157, 278 in MODEL 216 

Fig 1: Identifying Alternator Regulator Remove/Install Components
G10108569Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Detach ground line(s) from battery/batteries   AR54.10-P-0003SX
NOTES Notes on battery   AH54.10-P-0001-01A
2 Remove alternator (G2) Engine 272, 273 except Engine 272.974 AR15.40-P-5032SX
Engine 272.974 AR15.40-P-5032SXH
Engine 276 AR15.40-P-5032MMA
Engine 157, 278 AR15.40-P-5032MMB 
3 Remove screws (2) and remove cover (1) TORQUE SPECIFICATION *BA15.40-P-1008-01F 
4 Remove bolt/nut (4, 4a) and take off control (3) INSTALLATION NOTES Do not damage wear carbons (5) for regulator (3)!  
TORQUE SPECIFICATION *BA15.40-P-1009-01F 
5 Install in the reverse order    
ALTERNATOR

Number Designation Engine 157 Engine 272 Engine 276 Engine 278
BA15.40-P-1008-01F Bolt/nut, cover to alternator Nm 3 3 3 3
BA15.40-P-1009-01F Bolt, regulator to alternator Nm 3 3 3 3