AUTOSCHLÜSSEL C12 Ready Mix -36°C RED** is a **Super Longlife coolant** based on ethylene glycol and formulated with stable corrosion inhibitors using **silicate-free carboxylic acid technology**.
The ready-to-use formulation provides reliable **frost, corrosion and cavitation protection**, helping to maintain the cooling system and extend coolant service life. It is free from **nitrites, amines and phosphates**.
The formulation also contains additives designed to help control foaming and prevent the formation of deposits within the cooling system.
AUTOSCHLÜSSEL C12 Ready Mix -36°C is suitable for combustion engines manufactured from **cast iron, aluminium, or combinations of metals and copper alloys**. It is particularly recommended for light-alloy engines where enhanced aluminium protection is required at higher operating temperatures.
Key Features
* Ready-to-use coolant
* **Super Longlife** formulation
* Frost protection down to **-36°C**
* Reliable corrosion protection
* Cavitation protection
* Silicate-free carboxylic acid technology
* Free from nitrites, amines and phosphates
* Helps control foaming
* Helps prevent deposit formation
* Suitable for cast iron and aluminium engines
* Suitable for engines containing copper alloys
* Particularly suitable for light-alloy engines
* Suitable for year-round use
* Compatible with most ethylene glycol-based coolants
OEM Recommendations
AUTOSCHLÜSSEL C12 Ready Mix -36°C is recommended for applications requiring the following specifications:
* **MB 325.3**
* **VW TL 774 D**
* **MAN 324 SNF**
* **Ford WSS-M97B44-D**
* **Opel GM 6277M**
Application
AUTOSCHLÜSSEL C12 Ready Mix -36°C is designed for use as a cooling and heat-transfer fluid in combustion engines, including engines manufactured from cast iron, aluminium, or combinations of metals and copper alloys.
It is especially suitable for light-alloy engines where enhanced aluminium protection is required at elevated operating temperatures.
**Important:** Always follow the vehicle manufacturer’s recommended coolant specification and application instructions.
