This guide provides instructions on changing the engine oil on a Mercedes-Benz R-Class equipped with the V8 M113 8-cylinder engine.

What you will need

Bestseller No. 1
Pennzoil Ultra Platinum Full Synthetic 0W-40 Motor Oil (1 Quart, Case of 6)
Pennzoil Ultra Platinum Full Synthetic 0W-40 Motor Oil (1 Quart, Case of 6)
Case of six 1-quart bottles; Formulated to provide faster low-temperature oil flow and protection in extreme heat
  • 0W-40 Engine Oil
    • 8 quarts
    • Spec Sheet – 229.3    Multigrade service engine oils
    • Spec Sheet – 229.5    Multigrade service engine oils
  • Engine Oil Filter
  • Mechanic Tool Set – Metric
  • Oil Filter Wrench
  • Torque Wrench
  • Car Jack
  • Jack Stands
  • Gloves


  1. Park the Mercedes-Benz and let the engine cool down.
  2. Jack up the front of the vehicle and secure it with jack stands.
  3. Remove the bottom engine covers. They are held in place with six 8mm screws.
  4. Place a drain pan under the oil pan.
  5. Loosen and remove the oil drain plug.
  6. Allow the engine oil to drain for at least 10 min.
  7. Replace the washer with the drain plug. Reinstall the drain plug and torque it to 25Nm.
  8. Open the engine and remove the oil filter from the top of the engine.
  9. Replace the oil filter and the O rings.
  10. Install the new filter and torque it to 25Nm.
  11. Add the recommended engine oil. Measure the oil level. Make sure the level is between the MIN and the MAX marks.

This video was recorded on an R500 M113 engine, W251 chassis. R350 M273 is also similar but with lower oil capacity. Make sure to use 0W-40 synthetic oil and a quality filter.

Torque specifications

  • Drain plug: 30 N.m (22 lb.ft)
  • Oil filter: 25 N.m (18 lb.ft)


  2. Oil Drain Plugs – Torque –
  3. Engine oil drain plug torque spec –

We hope you find the Mercedes-Benz M113 Oil Change DIY – E, S, ML GL, R 500 guide helpful. Check these troubleshooting and repair guides for more help on your Mercedes-Benz.

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