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Below are the AMSOIL oil and filter recommendations for your 1981 Mercedes-Benz 380SLC with the 3.8L 8-Cylinder.
1981 MERCEDES-BENZ 380SLC 3.8L 8-CYLINDER ENGINE CODE 116.960 K
Your 1981 Mercedes-Benz 380SLC is powered by the 3.8L naturally aspirated V8, the engine that has defined the brand's top-tier models for decades. From the classic fuel-injected V8s of the 1980s to the high-revving AMG engines of the modern era, a Mercedes V8 is a study in smooth, effortless power.
A large V8 carries a lot of oil, which is good, but it also generates a lot of heat, which is hard on that oil. The engine's bearings and valvetrain work under serious load, and the oil has to hold its film strength through it all, whether the car is cruising or being driven hard.
AMSOIL full synthetic motor oil delivers the thermal stability and wear protection a V8 needs. For the 1981 380SLC, consistent synthetic changes keep the engine strong, clean, and sounding exactly the way a Mercedes V8 should.
The 1981 Mercedes-Benz 380SLC 3.8L 8-Cylinder requires 5W-40 full synthetic motor oil. Capacity is 8.5 quarts including filter.
Here is what you need:
You need 8.5 quarts of AMSOIL 5W-40 FS 100% Synthetic European Motor Oil EFMQT-EA which you can learn more about here: AMSOIL 5W-40 European motor oil
You need the MANN-FILTERS oil filter for your 380SLC which is: H929X
Drain Plug Torque Spec: 20 ft/lbs - always replace the drain plug seal when changing oil.
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