Purpose and Specifications

WOLF OFFICIALTECH ATF 9G 20L is a synthetic automatic transmission fluid designed specifically for Mercedes-Benz 9-gear 9G-Tronic transmissions (W9A 700 series, also called NAG3). It meets the strict MB 236.17 specification and is backward compatible with MB 236.16, ensuring smooth gear shifts, excellent wear protection, and reliable performance in every driving condition.

This budget-class oil from WOLF provides top benefits like superior lubrication that reduces friction for longer transmission life, stays fluid down to -45°C for easy cold starts, and maintains stability up to 237°C to prevent breakdown during hot drives. The 20-liter canister (part number 8332760) is perfect for workshops handling multiple services.

When to Use / Replace?

• Use it in: Mercedes-Benz vehicles with 9G-Tronic transmissions requiring MB 236.17 spec, including newer models like C-Class, E-Class, GLC, and GLE.
• Replace every 60,000-100,000 km or 4-5 years, following your vehicle's service manual, to avoid wear, shuddering shifts, or overheating.
• Ideal for daily commuting, highway driving, or towing where transmissions face high stress.

FAQ

Q: Is this oil suitable for older Mercedes transmissions?
A: Yes, it's backward compatible with MB 236.16 specs, but always check your owner's manual.

Q: How long does it last on the shelf?
A: Up to 5 years unopened in cool, dry storage.

Q: Will it improve shifting in cold weather?
A: Absolutely, flows smoothly at -45°C for quick, precise shifts even in freezing temps.