Purpose and Specifications

LIQUI MOLY Top Tec ATF 1950 (21378) is a fully synthetic, low-viscosity automatic transmission fluid designed specifically for Mercedes-Benz 9-speed transmissions (model 725.0/1) meeting MB 236.17 specs. This premium 1-liter formula delivers smooth, precise shifting by preventing deposit build-up and providing reliable lubrication across extreme temperatures from -40°C to over 150°C.

Its advanced agents reduce fuel consumption through lower viscosity while ensuring outstanding friction stability for maximum efficiency and extended transmission life. Ideal for modern automatic transmissions in passenger cars and commercial vehicles, it resists heat and ageing to keep gears shifting effortlessly.

When to Use / Replace?

• Use it in: Mercedes-Benz vehicles requiring MB 236.17, especially 9-speed automatics for daily commutes or heavy towing.
• Replace every 60,000-100,000 km or 4-5 years under normal driving; sooner (every 40,000 km) for severe conditions like towing or high-heat operation.
• Shake well before use and follow Mercedes guidelines—do not mix with other fluids.

Shelf life is 5 years unopened when stored cool and dry.

Frequently Asked Questions

Is this safe for my Mercedes 9-speed transmission?
Yes, it's fully approved for MB 236.17 specs, ensuring perfect compatibility and peak performance.

Can it handle hot Australian summers?
Absolutely—excels in temps over 150°C, preventing breakdowns from heat and wear.

How much for a full flush?
Typically 7-9 liters for most Mercedes 9-speeds; check your model's capacity.