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Oil Filter: Service and Repair

OIL FILTER REPLACEMENT
1. Start the engine and allow it to warm up until the temperature of the coolant reaches 80°C (176°F) to 90°C (194°F)
2. Remove the engine oil filler cap.
3. Remove the drain plug to drain oil.

CAUTION: Use care as oil could be hot.

4. Use the following tools to remove the engine oil filter from the underside of the vehicle.
- MB991396 or equivalent (When using the oil filter of MD135737)
- Commercial tool (When using the oil filter of MD325714)
5. Clean the filter bracket side mounting surface and ensure the old O-ring has been removed.





6. Apply a small amount of engine oil to the O-ring of the new oil filter.
7. Install the engine oil filter.

NOTE: Tightening torque:
When using the oil filter of MD135737: 14 Nm (10 ft. lbs.)
When using the oil filter of MD325714: 16 Nm (12 ft. lbs.)

8. Install the drain plug and refill engine oil.
9. Race the engine a few times, and check to be sure that no engine oil leaks from the installation section of the oil filter.