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Mobil 1™ Formula M 5W-40

Mobil 1 Formula M 5W-40

Mobil 1™ Formula M 5W-40 is an advanced performance synthetic engine oil designed to help provide exceptional cleaning power, wear protection and outstanding overall performance. Mobil 1 Formula M 5W-40 is engineered to help prolong the life of both diesel and gasoline powered automobiles that requires an oil that is approved against Mercedes Benz MB-229.5 specification.

Mobil 1 Formula M 5W-40 is made with a proprietary blend of high performance components and synthetic base oils. Mobil 1 Formula M 5W-40 has been designed to help deliver outstanding overall performance and protection. Key features and potential benefits include:

FeaturesAdvantages and Potential Benefits
Active cleaning agentsHelps to reduce deposits and sludge build-up to enable long and clean engine life
Outstanding thermal and oxidation stabilityHelps to reduce oil aging allowing extended drain interval protection
Low oil consumptionLess hydrocarbon pollution and less necessity to top-up
Excellent low temperature capabilitiesQuick cold weather starting and fast protection. Also helps to extend engine life.
High Viscosity IndexExcellent overall lubrication and wear protection performance for all driving styles and conditions, from mild to severe.

Mobil 1 Formula M 5W-40 is approved against Mercedes Benz MB-229.5.

  • It is not recommended for 2-Cycle or aviation engines, unless specifically approved by the manufacturer.

Mobil 1 Formula M 5W-40 has the following builder approvals:  
MB-Approval 229.5
MB-Approval 229.3

Mobil 1 Formula M 5W-40 
SAE Grade 5W-40 
Viscosity (ASTM D445) 
cSt @ 40ºC79
cSt @ 100ºC13.2
Viscosity Index168
Sulphated Ash, wt% (ASTM D874)0.90
HTHS Viscosity, mPa•s @ 150ºC (ASTM D4683)3.7
MRV @ -35 C , cP (ASTM D4684)25,981
Total Base Number , mg KOH/g ( ASTM D2896)8
Flash Point, ºC (ASTM D92)228
Density @ 15.6 ºC, g/ml (ASTM D4052)0.85