Purpose and Specifications

Castrol ON EV Transmission D1 15EAB2 is a premium synthetic transmission fluid designed specifically for electric vehicle (EV) transmissions. It delivers smooth, reliable power transfer in high-performance EVs like Mercedes-Benz EQS and EQE, Aiways U5, and Vinfast VF models. This 5-liter canister protects electric motors and gears from wear, ensuring quiet operation and long-lasting performance even under heavy loads.

Key practical benefits include superior lubrication that keeps your EV's transmission running cool from -30°C in winter to over 120°C during spirited driving, reducing friction for effortless acceleration. Its advanced synthetic formula resists breakdown, promoting up to 150,000 km or 5 years of service life before replacement under normal conditions.

When to Use / Replace?

• Use it if: Your EV requires EV-specific transmission fluid, such as Mercedes-Benz EQS/EQE or other listed models. Perfect for daily commutes or long highway drives where smooth shifting and efficiency matter.
• Replace every: 100,000-150,000 km or 4-5 years, or sooner if you notice unusual noise, harsh shifts, or during major service. Shelf life is 5 years unopened when stored in a cool, dry place.
• Ideal operating range: -30°C to 130°C for optimal protection without thinning or thickening.

FAQ

Q: Is this fluid compatible with my Mercedes EQS?
A: Yes, it's specifically recommended for Mercedes-Benz EQS and EQE electric transmissions for maximum protection and performance.

Q: How often should I change it?
A: Change every 100,000-150,000 km or 4-5 years under normal driving; check your owner's manual for exact intervals.

Q: Can I use it in non-EV cars?
A: No, this is formulated only for electric transmissions—using it in traditional automatics may cause damage.