How do I Change the Oil Cartridge on a Mercedes S320?

Written by gregory crews
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How do I Change the Oil Cartridge on a Mercedes S320?
The oil filter should always be changed with the motor oil. (tools image by CraterValley Photo from

The Mercedes S320 uses a filter that screws in to the top of the engine. This set-up makes the process of changing the filter less messy than unscrewing the oil filter from the bottom of the car. When changing the oil filter, changing the oil is important, as old oil can contaminate the new filter.

Skill level:

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Things you need

  • Oil filter wrench
  • Rag
  • New filter cartridge
  • New seals

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  1. 1

    Open the bonnet for access to the oil filter. The oil filter is located on the left-hand side of the engine next to the oil cap.

  2. 2

    Unscrew the filter cap with an oil filter wrench. Pull the filter out of the engine by pulling the cap out. Wrap an old rag around the filter to prevent oil from leaking out.

  3. 3

    Grasp the filter with the rag and pull the filter off stick. The filter will slide off the stick with no resistance.

  4. 4

    Replace the seals that are on the top of the stick by pulling the old ones off and attaching the new ones. Push the new filter on to the stick. Push the new seal on to the bottom of the stick.

  5. 5

    Insert the filter back in to the engine. Screw the filter cap in hand tight. Do not wrench tighten.

Tips and warnings

  • Always change the oil filter when changing the engine oil.
  • Contact the local recycling centre for information on disposal of the old filter.

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