LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 2013 >> S400 >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Electrical System - Engine - 221 Chassis >> Testing & Repair >> Remove/install alternator >> Remove/install alternator - AR15.40-P-5032SXH

Remove/install alternator - AR15.40-P-5032SXH

ENGINE 272.974 in MODEL 221.095/195 

Fig 1: Identifying Alternator Remove/Install Components
G10126637DANGERNOTESREMOVINGINSTALLINGNOTESTORQUE SPECIFICATIONTORQUE SPECIFICATIONREFER TO COMPONENT MODIFICATIONSIMPORTANTINSTALLATION IMPORTANTTORQUE SPECIFICATIONIMPORTANTCourtesy of MERCEDES-BENZ USA
DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by vehicle manufacturer. AS00.00-Z-0010-01A
NOTES Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Detach battery ground line   AR54.10-P-0003SX
NOTES Notes on battery   AH54.10-P-0001-01A
2 Remove center section of the lower engine compartment paneling   AR61.20-P-1105SX
3 Unclip coolant line (7) on lower coolant line bracket (7a) for alternator (G2)    
4 Unlock and disconnect circuit 61 electrical connection (D+) (4) at alternator (G2)    
5 Detach cap (1), unscrew nut (2) and remove electrical line for terminal 30 (B+) (3) from alternator (G2) TORQUE SPECIFICATION Nut, circuit B+ to alternator *BA15.40-P-1002-01F 
6 Remove lower screw/bolts (6) for alternator (G2) TORQUE SPECIFICATION Bolt, alternator to bracket *BA15.40-P-1011-01F 
7 Remove air filter housing with connecting line to air pump   AR09.10-P-1150SX
8 Remove poly-V belt Vehicles a twin-belt pulley AR13.22-P-1202SXH
Vehicles with a single-belt pulley AR13.20-P-0001SX
REFER TO COMPONENT MODIFICATIONS Poly-V belt version changed   BT13.20-P-1000-01SXH
9 Unclip air pump switchover valve (Y32) and lay with attached lines to one side    
10 Unfasten heat shield on bracket for alternator (G2) and on bracket for engine support See: Remove/install power electronics with power distributor. AR08.10-P-0011SXH
11 Loosen heat shield holder on engine support    
12 Remove spacer (9). IMPORTANT Unclip spacer (9) from coolant line (7) for power electronics and feed line from expansion reservoir and remove spacer (9)  
13 Remove upper screw/bolts (5), turn alternator (G2) and remove coolant line bracket (7a) for lower coolant line (7) INSTALLATION IMPORTANT Attach coolant line bracket (7a) for lower coolant line (7) together with alternator (G2).  
TORQUE SPECIFICATION Bolt, alternator to bracket *BA15.40-P-1011-01F 
14 Take alternator (G2) down and out IMPORTANT To do this place bracket for heat shield to one side  
15 Install in the reverse order    
ALTERNATOR

Number Designation ENGINE 272
BA15.40-P-1002-01F Nut, circuit B+ to alternator Nm 15
ALTERNATOR

Number Designation ENGINE 272
BA15.40-P-1011-01F Bolt, alternator to bracket Nm 20