Mercedes-Benz Cars 2000-05

Removal & Installation

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  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Discharge the air conditioning system.
  4.  
  5. Remove the accessory drive belt.
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  7. Remove the A/C lines connected to the compressor and detach the electrical connection. Cap the lines to prevent contamination. It is advisable to replace the receiver/drier attached to the side of the radiator anytime the refrigerant lines have been opened.
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  9. Remove the bolts securing the compressor to the bracket.
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To install:

  1. Install the compressor.
  2.  
  3. Connect the suction and discharge hoses using new O-rings coated with air conditioning oil. Tighten the bolts to 15 ft. lbs. (20 Nm).
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  5. The remaining installation is the reverse of removal. If a new compressor is used, 0.7 oz (20 cubic cm) of refrigerant oil must be added to the system. When replacing the receiver/drier, an additional 0.3 oz (10 cubic cm) of oil must be added. Recharge the air conditioning system

    Click image to see an enlarged view

    Fig. Typical A/C compressor mounting on M111, M112 and M113 engines

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