Mobil 1™ FS X2 5W‑40

Mobil 1™ FS X2 5W40 Car Engine Oil

Mobil 1™ FS X2 5W-40 is an advanced high performance synthetic engine oil designed to help provide outstanding wear protection, excellent cleaning power and outstanding overall performance. Mobil 1™ FS X2 5W-40 meets or exceeds the requirements of many of the industry and OEM specifications required by newer gasoline and diesel powered automobile engines. Mobil 1™ technology is race proven and is chosen by many racecar drivers around the world. Mobil 1™ FS X2 5W-40 is perfect for all types of driving and has the performance to protect when conventional engine oils often may not.

Features and Potential Benefits

Mobil 1™ FS X2 5W-40 is made with a proprietary blend of ultra-high performance synthetic basestocks fortified with a precisely balanced component system. Mobil 1™ FS X2 5W-40 has been designed to help protect your engine by providing unsurpassed levels of performance during normal operating conditions and also under severe service such as extreme heat and cold. Key features and potential benefits include:

Features Advantages and Potential Benefits
Active cleaning agents Helps to reduce deposits and sludge build-up to enable long and clean engine life
Outstanding thermal and oxidative stability Helps to resist oil aging allowing extended drain interval protection
Low Oil Volatility Less oil consumption
Excellent low temperature capabilities Quick cold weather starting and fast protection.
Helps to extend engine life
High Viscosity Index Excellent overall lubrication and wear protection performance for all driving styles and conditions, from mild to severe.


Mobil 1™ FS X2 5W-40 is recommended for all types of vehicles, including high-performance turbo-charged, supercharged gasoline and certain diesel multi-valve fuel injected engines found in passenger cars, SUVs, light vans and trucks where the following specifications are required:

Specifications and Approvals

Mobil 1™ FS X2 5W-40 meets or exceeds the requirements of: 5W-40
ACEA A3/B3, A3/B4 X
Mobil 1™ FS X2 5W-40 has the following builder approvals: 5W-40
MB-Approval 229.1 X
MB-Approval 229.3 X
VW 502 00 X
VW 505 00 X
Porsche A40 X
According to ExxonMobil, Mobil 1™ FS X2 5W-40 is of the following quality level: 5W-40

Typical Properties

Mobil 1™ FS X2 5W-40 Value
Viscosity, cSt (ASTM D445)
@ 40 ºC 80
@ 100 ºC 13.7
Viscosity Index 176
Sulfated Ash, wt% (ASTM D874) 1.3
Phosphorous 0.1
Flash Point, ºC (ASTM D92) 227
Density @15.6 ºC g/ml (ASTM D4052) 0.85
Total Base Number, (ASTM D2896) 12.6
MRV at -35ºC, cP  (ASTM D4684) 17,000
HTHS Viscosity, mPa•s @ 150ºC (ASTM D4683) 3.8