Mobil 1™ Formula M 5W-40 is an advanced performance synthetic engine oil engineered to help prolong the life of both diesel- and gasoline-powered automobiles that require an oil that is approved against the Mercedes Benz MB-229.3 and 229.5 specifications.
Mobil 1 Formula M 5W-40 oil is made with a proprietary blend of high-performance components and synthetic base stocks.
Please reference our Mobil 1™ Product Guide for a quick look at specifications including zinc and phosphorus, as well as manufacturer approvals for Mobil 1 motor oils.
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Active cleaning agents
Outstanding thermal and oxidation stability
Low oil consumption
Excellent low-temperature capabilities
High viscosity index
Mobil 1 Formula M 5W-40 has the following builder approvals:
View product data sheet for Mobil 1 Formula M 5W-40
Delivers excellent overall performance for the latest gasoline and diesel engine technology without diesel particulate filters (DPFs)
Helps protect and extend the life of automotive gears, rear axles and differentials
Full synthetic formulation provides outstanding resistance to oil breakdown and deposits
Find out about the science behind Mobil 1™ synthetic oils – and what sets them apart from the competition.
See a video about a Mercedes that’s run for more than a million kilometers with Mobil 1™ motor oil in its engine.
Find answers to your Mobil 1 product questions and more.