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How to change engine oil and filter on MERCEDES-BENZ S-Class Saloon (W126) – replacement guide
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Recommended replacement interval for the part category Oil filter : 12 month / 15000 km
Important!
This replacement procedure can be used for:
MERCEDES-BENZ S-Class Saloon (W126) 300 SE, SEL (126.024, 126.025), MERCEDES-BENZ S-Class Saloon (W126) 300 SE, SEL (126.024, 126.025), MERCEDES-BENZ S-Class Saloon (W126) 260 SE (126.020), MERCEDES-BENZ S-Class Saloon (W126) 260 SE (126.020) … View more
The steps may slightly vary depending on the car design.
MERCEDES-BENZ S-Class Saloon (W126) 300 SE, SEL (126.024, 126.025), MERCEDES-BENZ S-Class Saloon (W126) 300 SE, SEL (126.024, 126.025), MERCEDES-BENZ S-Class Saloon (W126) 260 SE (126.020), MERCEDES-BENZ S-Class Saloon (W126) 260 SE (126.020) … View more
The steps may slightly vary depending on the car design.
This video shows the replacement procedure of a similar car part on another vehicle
All the parts you need to replace – Oil Filter for S-Class Saloon (W126) and other MERCEDES-BENZ models
Oil filter
Alternative products

Wire brush
All-purpose cleaning spray
Torque wrench
Drive socket # 13
Drive socket # 19
Oil filter cup socket 76/14F
Ratchet wrench
Funnel
Oil drain pan
Fender cover
Replacement: engine oil and filter – MERCEDES-BENZ S-CLASS (W126). AUTODOC experts recommend:
- Replace the oil filter every time when changing motor oil.
- Wear gloves to prevent contact with hot liquid.
- Warning! Shut down the engine before starting any work – MERCEDES-BENZ S-CLASS (W126).
Carry out replacement in the following order:
- Step 1Open the bonnet.Step 2Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.Step 3Unscrew the oil filler plug.
- Step 4Pull up the oil dipstick.
- Step 5Lift the car using a jack or place it over an inspection pit.Replacement: engine oil and filter – MERCEDES-BENZ S-CLASS (W126). Tip:The vehicle must be on a level surface, but if it is at an angle, the drain plug must be at the lowest point.Step 6Put a waste oil container with at least 6 l capacity under the drainage hole.
- Step 7Clean the area of the oil pan drainage hole. Use a wire brush. Use all-purpose cleaning spray.
- Step 8Unscrew the drain plug. Use a drive socket #19. Use a ratchet wrench.
- Step 9Drain the used oil.AUTODOC recommends:Caution! The oil may be hot.Wait until the oil has completely drained from the drainage hole.
- Step 10Clean the oil filter. Use all-purpose cleaning spray.Step 11Unscrew the oil filter. Use the 76/14F socket. Use a ratchet wrench.
- Step 12Remove the oil filter.
- Step 13Clean the oil filter seat. Use all-purpose cleaning spray.Step 14Lubricate the rubber seal of the new filter with a little amount of fresh oil.
- Step 15Install a new oil filter.
- Step 16Tighten the oil filter. Remember to observe the recommended tightening torque. Use the 76/14F socket. Use a torque wrench. Tighten it to 20 Nm torque.
- Step 17Clean the area of the oil pan drainage hole. Use all-purpose cleaning spray.
- Step 18Screw in the new drainage plug and tighten it. Use a drive socket #13. Use a torque wrench. Tighten it to 27 Nm torque.
- Step 19Clean the area of the oil pan drainage hole. Use all-purpose cleaning spray.
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