Oil Service for Hybrids: What to Pay Attention to and What Are the Advantages of Dedicated Oils?

The popularity of hybrid cars in Europe is growing, resulting in them more frequently appearing in workshops for check-ups and repairs. According to ACEA data, in the first half of 2024 hybrids (HEV) and Plug-in hybrids (PHEV) accounted for over 36% of newly registered vehicles in the EU. For this reason, servicing these cars requires a new approach, particularly regarding engine oils.

The Specific Nature of Hybrid Operation

Hybrids, which switch between combustion and electric engines, place higher demands on engine oils. Start-stop cycles cause variable operating temperatures, which further burden the lubrication formulation. Low temperatures during cold starts hinder the rapid distribution of the lubricant, while high temperatures can accelerate oil degradation. Therefore, high-quality synthetic oils, such as Mobil 1 and Mobil Super, are crucial.

Effectiveness of Mobil 1 in Hybrids

Tests over a distance of more than 120 thousand kilometers using two Toyota Prius taxis showed that Mobil 1 0W-20 effectively protects against deposits and engine wear, even under tough conditions. This oil provides resistance to oxidation and shearing, handling frequent starts and extreme temperatures.

Main Advantages of Low-Viscosity Oils for Hybrids

1. Improved Fuel Efficiency
   Low-viscosity oils, such as Mobil 1 0W-20 and Mobil Super 3000 0W-20, reduce friction, increasing engine performance and decreasing fuel consumption.
2. Protection in Start-Stop Mode
   Thermal stability and oxidation resistance allow oils to handle frequent switching between electric and combustion modes.
3. Effectiveness in Low Temperatures
   These oils maintain fluidity in low temperatures, protecting the engine during cold starts.
4. Cleanliness and Minimization of Deposits
   Carefully selected additives in Mobil 1 and Mobil Super oils minimize the risk of low speed pre-ignition (LSPI) and timing chain wear, which is crucial in hybrid engines.
5. Versatility
   Mobil 1 oils adapt to various hybrid drive configurations, making them suitable for a wide range of models, including Toyota, Ford, and Mercedes.

Selecting the Right Oil

With the development of hybrid technology, the requirements for engine oils also change. The right oils are key to the long-term and trouble-free operation of hybrid power units. In case of doubt as to which product will be suitable for a particular vehicle, you can use the Mobil oil selection tool or contact our advisor.