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Home >> Mercedes Benz >> 2021 >> GLA250 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Electrical System - Engine -- 247 Chassis >> Testing & Repair >> Remove/Install Starter >> Remove/Install Starter - AR15.30-P-7100MFG
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Remove/Install Starter - AR15.30-P-7100MFG

Engine 139 in model 118, 177, 247 

Fig 1: Starter Components Location - Engine 139 In Model 247 (Shown On Model 177)
G16048550Courtesy of MERCEDES-BENZ USA

Shown on model 177 

WARNING Risk of injury  . Skin or eye injuries may result when handling hot or glowing objects. Wear protective gloves, protective clothing and safety glasses, if necessary. AS00.00-Z-0002-01A
CAUTION Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.
AS00.00-Z-0017-01A
Notice  Notes on self-locking nuts and bolts   AH00.00-P-0001-01KOA
Notice  Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
Notice  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
  Notes on safety-relevant components   AH00.00-Z-0019-01A
REMOVINGINSTALLING Remove/install     
1 Remove air filter housing.   AR09.10-P-1150MFG
2 Remove battery carrier.   AR54.10-P-0028MFA
3 Disconnect wiring harness from the starter.   AR15.30-P-7100-03MFG 
    TORQUE SPECIFICATION Nut, connection for terminal designation 30 *BA15.30-P-1001-01J 
4 Remove screw/bolts (3). TORQUE SPECIFICATION Bolt, starter to crankcase/transmission *BA15.30-P-1003-01J 
5 Remove starter (M1).    
INSPECT Check     
6 Check pinion of the starter (M1) for damage and wear. If the starter (M1) is reused.
If damage or wear are present,

Replace starter (M1).
 
7 Check ring gear on flywheel/drive plate for wear and damage. NOTES
The engine must not be turned back against the direction of engine rotation.
Otherwise, the timing chain will jump and engine damage will occur.
IMPORTANT Turn engine at the belt pulley of the crankshaft in the direction of engine rotation.
SPECIAL TOOL Counterholder
In the event of damage or wear,

Replace flywheel/drive plate.
Fig 2
8 Install in the reverse order.    
STARTER

Number Designation Engine 139
BA15.30-P-1001-01J Nut, connection for terminal designation 30 Nm 16
STARTER

Number Designation Engine 139
BA15.30-P-1003-01J Bolt, starter to crankcase/transmission Nm 39
Fig 2: Identifying Counterholder (654 589 00 40 00)
G11971953Courtesy of MERCEDES-BENZ USA