Engine Oil Specification

You should always use oil and fluids that meet the defined specification and viscosity grades. 

Viscosity is a measure of the thickness of the lubricating oil and does not indicate anything about its quality. The higher the viscosity the thicker the oil is.

Lubricating oils are distinguished according to SAE viscosity classes. These have been defined by the Society of Automotive Engineers (SAE). The oils are therefore distinguished according to the degree of their viscosity as a function of ambient temperature.

The number before the W (which stands for Winter) indicates the viscosity at temperatures below zero and is very important for cold start and cold running conditions. The number after the "W" indicates the temperature behaviour at 100 °C, in other words at high loads.

Multigrade oils, such as 15 W 40, are primarily used nowadays; these cover all viscosity classes.

If you are unable to find an engine oil that meets the specification defined for your vehicle, it is acceptable to use a SAE equivalent engine oil.

Using oil and fluids that do not meet the defined specification and viscosity grade may lead to:

  • Component damage which may not be covered by the vehicle Warranty.
  • Longer engine cranking periods.
  • Increased emission levels.
  • Reduced engine performance.
  • Reduced fuel economy.
  • Reduced brake performance.

You can find the recommended brand and specification of engine oil in your owners manual. Click here to view yours online and go to Capacities & Specifications.

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