Mobil 1™ ESP Formula M 5W-40 - Emission System Protection  

Mobil Passenger Vehicle Lube, United States

Advanced Performance Synthetic Engine Oil

Product Description

Mobil 1™ ESP Formula M 5W-40 is an advanced performance synthetic engine oil designed to help provide exceptional cleaning power, wear protection and overall performance. Mobil 1 ESP Formula M 5W-40 is engineered to help prolong the life and maintain the efficiency of emission systems in both diesel and gasoline powered automobiles that require an oil that is approved against MB 229.51 specification.

Features and Potential Benefits

Mobil 1 ESP Formula M 5W-40 is made with a proprietary blend of high performance components formulated to be fully compatible with the latest Diesel Particulate Filters (DPF's) and Gasoline Catalytic Converters. Mobil 1 ESP 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
Low Ash ContentHelps to reduce particulate build up in Diesel Particulate Filters
Low Sulphur and Phosphorous contentHelps to reduce poisoning of Gasoline Catalytic Converters
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
Excellent low temperature capabilitiesQuick cold weather starting and ultra fast protection. Also helps extend engine and electrical system life.



  • Mobil 1 ESP Formula M 5W-40 is not recommended for 2-Cycle or aviation engines, unless specifically approved by the manufacturer.


Specifications and Approvals

Mobil 1 ESP Formula M 5W-40 has the following builder approvals: 


Typical Properties

Mobil 1 ESP Formula M 5W-40 
SAE Grade5W-40
Viscosity (ASTM D445) 
cSt @ 40ºC81
cSt @ 100ºC13.4
Viscosity Index167
Sulphated Ash, wt% (ASTM D874)0.6
HTHS Viscosity, mPa•s @ 150ºC (ASTM D4683)3.8
Pour Point, ºC (ASTM D97)-39
Flash Point, ºC (ASTM D92)236
Density @15.6º C g/ml ASTM D4052)0.85


Health and Safety

Based on available information, this product is not expected to produce adverse effects on health when used for the applications referred to above and the recommendations provided in the Material Safety Data Sheet (MSDS) are followed. MSDS's are available upon request through your sales contact office, or via the Internet. This product should not be used for purposes other than the applications referred to above. If disposing of used product, take care to protect the environment.

Mobil, Mobil 1 and the Pegasus design are trademarks of Exxon Mobil Corporation, or one of its subsidiaries.

Exxon Mobil Corporation
22777 Springwoods Village Parkway
Spring TX 77389

1-800-ASK MOBIL (275-6624)

Typical Properties are typical of those obtained with normal production tolerance and do not constitute a specification. Variations that do not affect product performance are to be expected during normal manufacture and at different blending locations. The information contained herein is subject to change without notice. All products may not be available locally. For more information, contact your local ExxonMobil contact or visit
ExxonMobil is comprised of numerous affiliates and subsidiaries, many with names that include Esso, Mobil, or ExxonMobil. Nothing in this document is intended to override or supersede the corporate separateness of local entities. Responsibility for local action and accountability remains with the local ExxonMobil-affiliate entities.