Purpose and Specifications

LIQUI MOLY Top Tec ATF 1600 (3694) is a premium synthetic automatic transmission fluid in a 20-liter canister, specially formulated for Mercedes-Benz vehicles with MB-Freigabe 236.14 approval. It delivers smooth shifting, maximum transmission performance, and exceptional stability even under extreme temperatures from -40°C to over 150°C, ensuring flawless hydraulic operation during large temperature swings.

This high-performance oil excels in wear resistance, corrosion protection, and foam prevention, providing outstanding friction characteristics for reliable gear changes. Its advanced formula supports extremely long oil change intervals up to 120,000 km or 5-7 years under normal driving, promoting extended transmission life and fixing common shifting problems.

When to Use / Replace?

• Use this fluid in Mercedes-Benz 7-speed and compatible 5-speed automatic transmissions, transfer boxes, or any system requiring MB 236.14 specs to maintain peak efficiency and prevent costly repairs.
• Replace every 60,000-120,000 km or 4-7 years, or sooner if you notice rough shifting, slipping gears, delayed engagement, or unusual noises—ideal for high-mileage vehicles or heavy towing.
• Perfect for fleet operations or demanding conditions like stop-and-go traffic, where it keeps transmissions running quietly and efficiently for years.

Frequently Asked Questions

Is LIQUI MOLY 3694 suitable for my Mercedes automatic transmission?
Yes, it meets MB-Freigabe 236.14 for latest 7-speed and older 5-speed models, ensuring perfect compatibility and smooth performance.

How often should I change the transmission fluid?
Follow manufacturer intervals of 60,000-120,000 km or 4-7 years; check during routine service if driving in severe conditions like towing or extreme heat.

Can it fix shifting issues?
Absolutely—its optimized friction and stability formula eliminates jerky shifts and improves response, even in problem transmissions.