Shell ATF 134 Automatic Transmission Fluid for Mercedes-Benz MB 236.14/236.12 — 6×1 QT, smooth shifting & wet‑clutch protection

Shell ATF 134 is a fully formulated automatic transmission fluid engineered to meet Mercedes-Benz MB 236.14 and MB 236.12 specifications for 7‑speed gearboxes and compatible transmissions.

This high-performance ATF is tailored for Mercedes-Benz 7‑speed automatic transmissions and other vehicles that list ATF 134 or ATF 3353 in their service requirements. It comes in a pack of six 1‑quart (946 ml) bottles, providing convenience for multiple services or a complete drain-and-refill for many models. Formulated to support smooth shifting, clutch engagement in wet‑start systems, and long service intervals, this fluid is suitable for a range of applications including passenger cars, light commercial vehicles, and specific sport/dual‑clutch setups.

Which vehicles and gearboxes is this fluid appropriate for?

Shell ATF 134 is specified for Mercedes‑Benz transmissions requiring MB 236.14 or MB 236.12 fluids. It also serves as a factory‑recommended or acceptable option for certain Chrysler and Sprinter applications where ATF 134 or ATF 3353 is called out.

• Meets Mercedes‑Benz MB 236.14 and MB 236.12 approval requirements
• Compatible with Mercedes 7‑speed automatic transmissions
• Suitable for Chrysler Crossfire and Sprinter vans that accept ATF 134/3353
• Designed for NAG2V sport transmissions with wet starting clutch systems

How does this fluid help shifting and clutch performance?

The formulation is designed to stabilize friction characteristics for consistent shift feel and reliable clutch engagement. It maintains lubricity across a broad temperature range to reduce wear and prevent judder in wet clutch systems.

• Optimized friction properties for crisp, consistent shifts
• Wet‑start clutch compatibility to prevent slipping or shudder
• Thermal stability for steady performance under load
• Reduces metal‑to‑metal wear during gear changes

What are the practical benefits of buying the 6‑count 1‑quart pack?

Purchasing six quarts gives you enough fluid for multiple services or a full refill for many transmissions without opening multiple single bottles over time. It’s convenient for DIY mechanics, small shops, or fleet maintenance that require consistent, OEM‑spec fluid on hand.

• Six 1‑qt (946 ml) bottles—ideal for several top‑offs or one full service
• Sealed bottles for long shelf life and easy storage
• Consistent product across all bottles to avoid mixing fluids
• Cost‑efficient versus buying single bottles repeatedly

How should I use and store this transmission fluid?

Follow the vehicle manufacturer’s service manual for capacity, change intervals, and fill procedure. Store bottles upright in a cool, dry place away from direct sunlight and freeze‑thaw cycles to preserve fluid properties.

• Always confirm MB spec (236.14/236.12) before use
• Use correct fill level and torque procedures per the service manual
• Dispose of used fluid responsibly at a recycling facility
• Keep unopened bottles sealed until needed to maintain quality

Who this is for: technicians, Mercedes‑Benz owners, and vehicle fleet managers who require a transmission fluid that aligns with MB 236.14 and MB 236.12 standards will find Shell ATF 134 a practical choice. It’s especially useful for those working on Mercedes 7‑speed gearboxes, NAG2V sport transmissions with wet starting clutches, or Chrysler/Sprinter models specifying ATF 134 or ATF 3353. If you need an OEM‑compatible fluid in convenient one‑quart bottles for precise servicing, this 6‑count pack delivers consistency, shelf stability, and the right approvals for targeted applications.