Mersedes SUV Manuals

Coolant

Mercedes-Benz G-Class / Mercedes-Benz G-Class Owners Manual / Technical data / Service products and filling capacities / Coolant

Important safety notes

WARNING
Antifreeze is highly flammable. Fire, open flames and smoking are prohibited when handling antifreeze.

If antifreeze comes into contact with hot engine parts, it may ignite and you could burn yourself. Do not spill any antifreeze on hot engine parts.

Only add coolant that has been premixed with the desired antifreeze protection. You could otherwise damage the engine.

Further information on coolants can be found in the Mercedes-Benz Specifications for Service Products, MB Specifications for Service Products 310.1, e.g. on the Internet at http://bevo.mercedes-benz.com. Or contact a qualified specialist workshop.

Always use a suitable coolant mixture, even in countries where high temperatures prevail.

Otherwise, the engine cooling system is not sufficiently protected from corrosion and overheating.

The coolant is a mixture of water and antifreeze/corrosion inhibitor. It performs the following tasks: Rcorrosion protection Rantifreeze protection Rraising the boiling point If the coolant has antifreeze protection down to -35 º F (-37 º C), the boiling point of the coolant in the pressure system is approximately 266 º F (130 º C).

The antifreeze/corrosion inhibitor concentration in the engine cooling system should:
Х be at least 50%. This will protect the engine cooling system against freezing down to approximately -35 º F (-37 º C).

Х not exceed 55% (antifreeze protection down to -49 º F [-45 º C]). Otherwise, heat will not be dissipated as effectively.

If the vehicle has lost coolant, add equal amounts of water and antifreeze/corrosion inhibitor. Mercedes-Benz recommends an antifreeze/corrosion inhibitor in accordance with MB Specifications for Service Products 310.1.

The coolant is checked with every maintenance interval at a qualified specialist workshop.

When the vehicle is first delivered, it is filled with a coolant mixture that ensures adequate antifreeze and corrosion protection.

The engine cooling system is filled with coolant at the factory; this coolant contains antifreeze/corrosion inhibitor that ensures protection down to approximately -35 º F (-37 º C).

Your vehicle has a range of aluminum components. Aluminum components in the engine make it necessary to use antifreeze/ corrosion inhibitor that has been specifically formulated to protect the aluminum parts.

Using other antifreeze/corrosion inhibitors without these characteristics affects the service life.

The coolant must be used throughout the year in order to maintain the necessary corrosion protection and to provide protection from overheating. In the Maintenance Booklet, you can find information on the intervals for renewal.

The renewal interval is determined by the coolant type and the engine cooling system design. The renewal interval in the Maintenance Booklet is only valid if the coolant is renewed or added to with Mercedes-Benz approved products.

Therefore, only use MB 326.0 antifreeze/ corrosion inhibitor or another Mercedes-Benz approved product of the same specification.

Information on other products with the same specifications that are approved by Mercedes-Benz can be obtained at an authorized Mercedes-Benz Center or on the Internet at http://bevo.mercedes-benz.com.

If the coolant level is too low, MB 325.0 antifreeze/corrosion inhibitor should be added. Have the engine cooling system checked for possible leaks.

Capacity

Use MB 325.0 or MB 326.0 corrosion


Use MB 325.0 or MB 326.0 corrosion inhibitor/antifreeze.

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