Mercedes-Benz Cars 2000-05

Starter

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Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove or disconnect the following:

    Negative battery cable
     
    Starter wires and bracket
     
    Starter mounting bolts
     
    Starter assembly
     

  4.  

To install:

  1. Install or connect the following:

    Starter assembly. Torque the mounting bolts to 31 ft. lbs. (42 Nm).
     
    Starter wires and bracket
     
    Negatives battery cable
     

  2.  
  3. Start the vehicle and check for proper operation.
  4.  

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove or disconnect the following:

    Negative battery cable
     
    Right side inner fender liner
     
    Left engine mount shield
     
    Starter electrical connectors
     
    Starter
     

  4.  

To install:

  1. Install or connect the following:

    Starter motor. Torque the mounting bolts to 31 ft. lbs. (42 Nm).
     
    Starter electrical connectors
     
    Engine mount shield and torque the bolts to 48 ft. lbs. (65 Nm)
     
    Inner fender liner
     
    Negative battery cable
     

  2.  

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Turn the steering wheel to full left position to gain access if necessary.
  4.  
  5. Remove or disconnect the following:

    Negative ground cable
     
    Engine under cover
     
    Starter electrical connections
     
    Rear engine mount, if necessary
     
    Starter mounting bolts
     
    Starter assembly
     

  6.  

To install:

  1. Install or connect the following:

    Starter assembly. Torque the mounting bolts to 31 ft. lbs. (42 Nm).
     
    Rear engine mount. Torque the bolts to 41 ft. lbs. (55 Nm).
     
    Starter electrical connections
     
    Negative ground cable
     

  2.  
  3. Start the engine and check for proper operation.
  4.  

  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2.  
  3. Turn the steering wheel to full left position to gain access if necessary.
  4.  
  5. Remove or disconnect the following:

    Negative ground cable
     
    Engine under cover
     
    Starter electrical connections
     
    Rear engine mount if necessary
     
    Starter mounting bolts
     
    Starter assembly
     

  6.  

To install:

  1. Install or connect the following:

    Starter assembly. Torque the mounting bolts to 31 ft. lbs. (42 Nm)
     
    Rear engine mount. Torque the bolts to 41 ft. lbs. (55 Nm)
     
    Starter electrical connections
     
    Negative ground cable
     

  2.  
  3. Start the engine and check for proper operation.
  4.  

  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2.  
  3. Remove or disconnect the following:

    Negative battery cable
     
    Starter wires and bracket
     
    Starter mounting bolts
     
    Starter assembly
     

  4.  

To install:

  1. Install or connect the following:

    Starter assembly. Torque the mounting bolts to 31 ft. lbs. (42 Nm)
     
    Starter wires and bracket
     
    Negatives battery cable
     
    Start the vehicle and check for proper operation.
     

  2.  

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Turn the steering wheel to full left position to gain access if necessary.
  4.  
  5. Remove or disconnect the following:

    Negative ground cable
     
    Engine under cover
     
    Exhaust system and engine mount, if necessary for additional clearance
     
    Starter electrical connections
     
    Starter mounting bolts
     
    Starter assembly
     

  6.  

To install:

  1. Install or connect the following:

    Starter assembly. Tighten the mounting bolts to 31 ft. lbs. (42 Nm).
     
    If necessary, exhasust system and engine mount.
     
    Starter electrical connections
     
    Negative ground cable
     

  2.  
  3. Start the engine and check for proper operation.
  4.  

Diesel Engines
  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove or disconnect the following:

    Negative battery cable
     
    Starter wires and bracket
     
    Starter mounting bolts
     
    Starter assembly
     

  4.  

To install:

  1. Install or connect the following:

    Starter assembly. Torque the mounting bolts to 31 ft. lbs. (42 Nm)
     
    Starter wires and bracket
     
    Negatives battery cable
     
    Start the vehicle and check for proper operation.
     

  2.  

Gasoline Engines
  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Turn the steering wheel to full left position to gain access if necessary.
  4.  
  5. Remove or disconnect the following:

    Negative ground cable
     
    Engine under cover
     
    Starter electrical connections
     
    Rear engine mount if necessary
     
    Starter mounting bolts
     
    Starter assembly
     

  6.  

To install:

  1. Install or connect the following:

    Starter assembly. Torque the mounting bolts to 31 ft. lbs. (42 Nm)
     
    Rear engine mount. Torque the bolts to 41 ft. lbs. (55 Nm)
     
    Starter electrical connections
     
    Negative ground cable
     

  2.  
  3. Start the engine and check for proper operation.
  4.  

Testing & Troubleshooting



Voltage Drop Test

NOTE
The battery must be in good condition and fully charged prior to performing this test.

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Disable the ignition system by unplugging the ignition system fuse. Verify that the vehicle will not start.
  4.  
  5. Connect a voltmeter between the positive terminal of the battery and the main terminal on the starter solenoid from the battery.
  6.  
  7. Turn the ignition key to the START position and note the voltage on the meter.
  8.  
  9. If voltage reads 0.5 volts or more, there is high resistance in the starter cables or the cable ground, repair as necessary. If the voltage reading is ok proceed to the next step.
  10.  
  11. Connect a voltmeter between the positive terminal of the battery and the terminal on the solenoid leading to the starter.
  12.  
  13. Turn the ignition key to the START position and note the voltage on the meter.
  14.  
  15. If voltage reads 0.5 volts or more, there is high resistance in the starter. Repair or replace the starter as necessary.
    NOTE
    Many automotive parts stores have starter bench testers available for use by customers. A starter bench test is the most definitive way to determine the condition of your starter.

  16.  

 
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