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Remove/install starter - AR15.30-P-7100RKB

ENGINE 157, 278 in MODEL 231 

Fig 1: Starter Remove/Install Components
G11128497Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install    
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 the vehicle manufacturer. AS00.00-Z-0010-01A
DANGER Risk of explosion  from explosive gas. Risk of poisoning and caustic burns  from swallowing battery electrolyte. Risk of injury  through burns to skin and eyes from battery acid or when handling damaged lead-acid batteries No fires, sparks, open flames or smoking. Wear acid-resistant gloves, clothing and glasses. Only pour battery acid into suitable and appropriately marked containers. AS54.10-Z-0001-01A
IMPORTANT Notes on self-locking nuts and bolts   AH00.00-N-0001-01A
1 Disconnect ground line at battery   AR54.10-P-0003RK
NOTES Notes on battery   AH54.10-P-0001-01A
2 Remove right catalytic converter   AR49.10-P-7100RK
3 Remove heat shield (1) over starter (M1)    
4 Detach protection against accidental contact (2) and detach electrical line circuit 30 (3)    
5 Remove circuit 50 electrical line (4)    
6 Expose wiring harness (5) at starter (M1)    
7 Remove screw/bolt (6)    
8 Unscrew screw/bolt (7) and remove bracket (8)    
9 Remove starter (M1) from below    
10 Check ring gear at the drive plate for wear and damage IMPORTANT To do this turn engine at the center bolt of the crankshaft in direction of engine rotation.
If there are problems:

Replace drive plate
Remove/install flywheel/drive plate
AR03.30-P-8001RK
INSTALLING Install     
11 Position starter (M1) on cylinder crankcase    
12 Put bracket (8) in place and remove screw/bolt (6) IMPORTANT Only lay on finger-tight.  
13 Screw in screw/bolt (7) and tighten TORQUE SPECIFICATION Bolt, starter to crankcase *BA15.30-P-1003-01J 
14 Tighten screw/bolt (6) TORQUE SPECIFICATION Bolt, starter to crankcase *BA15.30-P-1003-01J 
15 Connect circuit 50 electrical line (4) TORQUE SPECIFICATION Nut, connection for terminal designation 50 *BA15.30-P-1002-01J 
16 Connect circuit 30 electrical line (3) and attach protection against accidental contact (2) TORQUE SPECIFICATION Nut, connection for terminal designation 30 *BA15.30-P-1001-01J 
17 Fasten wiring harness (5) to starter (M1)    
18 Install heat shield (1)    
19 Install right catalytic converter   AR49.10-P-7100RK
20 Connect ground cable to battery   AR54.10-P-0003RK
IMPORTANT Notes on battery   AH54.10-P-0001-01A
21 Read out fault memory and erase    
REFER TO SELF-DIAGNOSTIC SYSTEMS Connect STAR DIAGNOSIS and read out fault memory   AD00.00-P-2000-04A
22 Carry out function check    
STARTER

Number Designation ENGINE 157 ENGINE 278
BA15.30-P-1001-01J Nut, connection for terminal designation 30 Nm 15 15
STARTER

Number Designation ENGINE 157 ENGINE 278
BA15.30-P-1002-01J Nut, connection for terminal designation 50 Nm 6 6
STARTER

Number Designation ENGINE 157 ENGINE 278
BA15.30-P-1003-01J Bolt, starter to crankcase Nm 40 40