1977 to 1985 Mercedes Diesel Oil Change Procedure the Easy Way - Grafco Electric

Oct 12, 2021


Welcome to Grafco Electric's comprehensive guide on performing an oil change for your 1977 to 1985 Mercedes diesel car. Our step-by-step instructions and detailed video tutorial will help you make the process easy and hassle-free.

Why is Regular Oil Change Important for Your Mercedes Diesel?

Regular oil changes are crucial for maintaining the performance and longevity of your Mercedes diesel engine. Clean oil ensures proper lubrication, reduces friction, extends engine life, and improves fuel efficiency. By following the recommended oil change intervals, you can prevent engine damage and costly repairs.

Step-by-Step Oil Change Procedure

Step 1: Gather the Tools and Materials

Before starting the oil change process, gather the following tools and materials:

  • Oil filter wrench
  • Drain pan
  • Ratchet and socket set
  • New oil filter
  • New oil
  • Funnel
  • Shop towels

Step 2: Prepare Your Vehicle

Park your Mercedes diesel on a level surface and engage the parking brake. Open the hood and locate the engine oil cap and drain plug. Prepare the drain pan underneath the drain plug to catch the old oil.

Step 3: Drain the Old Oil

Using a ratchet and socket, loosen the oil drain plug counterclockwise. Once loose, carefully remove the drain plug and allow the old oil to drain completely into the drain pan. Inspect the drain plug for any signs of damage or wear.

Step 4: Replace the Oil Filter

Using an oil filter wrench, carefully remove the old oil filter. Ensure the rubber gasket from the old filter is removed and not stuck to the engine. Apply a thin layer of clean oil to the rubber gasket of the new oil filter and install it securely by hand.

Step 5: Add New Oil

Using the funnel, add the recommended amount and type of new oil to your Mercedes diesel engine. Refer to your owner's manual for the specific oil capacity and viscosity. Once filled, replace the engine oil cap.

Step 6: Check Oil Level and Clean Up

Start your Mercedes diesel engine and let it run for a few minutes. Turn off the engine and wait for a few more minutes to allow the oil to settle. Check the oil level using the dipstick and adjust if necessary. Clean any oil spills or drips with shop towels.


Congratulations! You have successfully completed the oil change procedure for your 1977 to 1985 Mercedes diesel car. Regular oil changes are essential for maintaining the health of your engine and ensuring optimal performance. For more helpful maintenance videos and guides, visit Grafco Electric's website.

Adam Bauman
Useful info, thanks! 👍
Nov 11, 2023
Jason Malki
Helpful guide!
Oct 12, 2023