Liqui Moly Transmission Fluid

Liqui Moly Transmission Fluid: Precision German Engineering for Every Gearbox

When it comes to protecting one of the most complex and expensive components in your vehicle, fluid quality is not something to compromise on. Liqui Moly has built its reputation on exactly that principle — delivering precisely formulated, fully synthetic lubricants that meet and exceed the exacting standards set by the world's top automakers. Their transmission fluid lineup is a direct expression of that philosophy, with application-specific formulas engineered for everything from classic automatic gearboxes to the latest 10-speed units and continuously variable transmissions (CVTs).

The Top Tec ATF Series: Application-Specific Precision

The cornerstone of Liqui Moly's transmission fluid range is the Top Tec ATF series, a family of fully synthetic fluids developed to address the unique demands of specific transmission families — rather than relying on a one-size-fits-all approach.

• Top Tec ATF 1200 — A versatile, fully synthetic ATF covering an exceptionally wide range of OEM specifications, from BMW and Mercedes-Benz to Toyota, Nissan, Ford, and ZF gearboxes. Its modern additive technology delivers high thermal stability, excellent wear protection, correct friction behavior, and outstanding low-temperature performance.
• Top Tec ATF 1400 — A fully synthetic fluid engineered for use in late-generation CVTs where torque-transferring steel traction chains or thrust link belts are used, featuring a unique formulation for best possible resistance to foaming, aging, and oxidation. It is tried and tested in Mercedes-Benz A-Class and B-Class Autotronic transmissions, as well as Audi Multitronic CVT applications.
• Top Tec ATF 1800 — A fully synthetic, leading-edge high-performance ATF developed to meet the severe requirements of modern multi-speed transmissions with 6 or more gears. It was specifically developed for ZF 6HP and ZF 8HP series automatic transmissions found in Audi, BMW, Jaguar, Land Rover, and Porsche vehicles, while also meeting further specifications that expand its vehicle coverage.
• Top Tec ATF 1850 — An ultra-low-viscosity, high-performance fluid formulated with fully synthetic base oils and the latest additive technology, developed for modern 6, 8, and 10-speed automatic transmissions, delivering ultimate protection, longer fluid life, ideal shift quality, and the lowest possible fuel consumption.
• Top Tec ATF 1600 & 1900 — Mercedes-Benz-focused formulas targeting specific 7-speed NAG2/722.9 transmission generations. The ATF 1900, for example, is a fully synthetic, low-viscosity fluid developed to meet the strict requirements of 2nd-generation Mercedes-Benz 7-speed automatic transmissions, with an improved formula for sustained transmission life and maximum shift performance.

Why Liqui Moly Stands Out in the Transmission Fluid Category

What sets Liqui Moly apart is the depth of OEM specification coverage combined with the precision of their formulation process. Rather than producing generic "universal" fluids, each product in the Top Tec ATF family is engineered for a defined set of transmission families and manufacturer approvals — which matters enormously for modern gearboxes that are highly sensitive to fluid friction characteristics. The Top Tec ATF 1800, for instance, is also suitable for modern hybrid transaxle systems and electric drive differentials , demonstrating how Liqui Moly continuously updates its lineup for evolving drivetrain technologies.

Key technical attributes shared across the lineup include excellent viscosity/temperature properties, outstanding seal compatibility, excellent resistance to aging, excellent wear resistance, high pressure-absorption capability, a wide viscosity range, reduced gearshift resistance, and corrosion protection.

For drivers who want a transmission service fluid that speaks the same language as their vehicle's engineers, Liqui Moly transmission fluids offer the confidence of OEM-aligned chemistry. Browse the complete transmission fluid category to find the right formula for your specific vehicle and gearbox type.