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Mobil 1™ keeps engines running clean

Over time, conventional oils can form sludge, which can reduce your engine’s efficiency and, ultimately, reduce the life of your engine.

Engine with significant sludge formation

Engine with significant sludge formation
Engine after one oil change with Mobil 1™

Engine after one oil change with Mobil 1™

Mobil 1 advanced full synthetic motor oils contain fewer impurities than conventional oils. That means they’re designed to better resist the formation of sludge, maintain their viscosity and ability to flow, and prevent deposits from forming. 

Mercedes million kilometer test
We put Mobil 1 motor oil to the test with a Mercedes running 1 million kilometers. At the end, its engine still looks like new with minimal deposits and minimal wear. Watch what happened.

Las Vegas: Live engine teardown
What happens to engines when you run them 24/7 in extreme temperatures and dusty conditions?

We put Mobil 1™ motor oil to the test in Las Vegas taxis, where engines are pushed to the limit. See how Mobil 1 fares in a live engine teardown and independent expert inspection.

Not all synthetics are equal 
Do you know that Mobil 1 synthetic oils are made of precisely engineered base stocks designed for performance and protection – even under tough conditions?

Find out about the science behind Mobil 1™ synthetic oils – and what sets them apart from the competition.

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