How to change engine oil and filter on Mercedes W204 – replacement guide
MERCEDES-BENZ C-Class Saloon (W204) C 200 CDI (204.007, 204.006), MERCEDES-BENZ C-Class Saloon (W204) C 220 CDI (204.008) … View more
The steps may slightly vary depending on the car design.
How to change oil filter and engine oil on MERCEDES W204 [TUTORIAL AUTODOC]


- Replace the oil filter every time when changing motor oil.
- Wear gloves to prevent contact with hot liquid.
- Please note: all work on the car – Mercedes W204 – should be done with the engine switched off.
- Step 1

Open the hood.
- Step 2

Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
- Step 3

Remove the engine cover.
AUTODOC recommends:Replacement: engine oil and filter – Mercedes W204. Do not use excessive force when removing the part as this may damage it.
- Step 4

Unscrew the oil filler plug.
- Step 5

Pull up the oil dipstick.
- Step 6

Clean the oil filter housing cap. Use all-purpose cleaning spray.
- Step 7

Unscrew the bracket fastener. Use Torx E11. Use a ratchet wrench.
- Step 8

Remove the bracket.
- Step 9

Unscrew the filter housing cap together with the old filter element. Use the 76-14F socket. Use a ratchet wrench.
- Step 10

Take the oil filter out of its housing.
- Step 11
Put the old oil filter in the container.
Step 12
Lift the car using a jack or place it over an inspection pit.
AUTODOC recommends:The vehicle must be on even keel, and if it is at an angle, the drain plug must be at the lowest point.
- Step 13

Put a waste oil container with at least 7 l capacity under the drainage hole.
- Step 14

Clean the area of the oil pan drainage hole. Use a wire brush. Use all-purpose cleaning spray.
- Step 15

Unscrew the drain plug. Use a drive socket #13. Use a ratchet wrench.
- Step 16

Drain the used oil.
Replacement: engine oil and filter – Mercedes W204. Tip from AUTODOC experts:Caution! The oil may be hot.Wait until the oil has completely drained from the drainage hole.
- Step 17

Remove old o-rings from the oil filter cover. Use a flat screwdriver.
- Step 18

Clean the oil filter housing cap. Use all-purpose cleaning spray.
- Step 19

Install new O-rings and a new oil filter to their mounting seats on the filter cover.
Please note!Make sure to install the filter correctly. Don't mix up the sides of the part.
- Step 20
Clean the area of the oil pan drainage hole. Use all-purpose cleaning spray.
Step 21
Screw in the new drainage plug and tighten it. Use a drive socket #13. Use a torque wrench. Tighten it to 30 Nm torque.
- Step 22

Clean the area of the oil pan drainage hole. Use all-purpose cleaning spray.
- Step 23

Lubricate the rubber seal of the new filter with a little amount of fresh oil.
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