Mersedes SUV Manuals

Coolant

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

Important safety notes

WARNING

If antifreeze comes into contact with hot components in the engine compartment, it may ignite. There is a risk of fire and injury.

Let the engine cool down before you add antifreeze. Make sure that antifreeze is not spilled next to the filler neck. Thoroughly clean the antifreeze from components before starting the engine.

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.

Comply with the important safety precautions for service products when handling coolant  .

The coolant is a mixture of water and antifreeze/corrosion inhibitor. It performs the following tasks:
Х corrosion protection Х antifreeze protection Х raising the boiling point

If the coolant has antifreeze protection down to -35 ), the boiling point of the (-37
coolant during operation is approximately), the boiling point of the
coolant during operation is approximately 266 ). (130
The antifreeze/corrosion inhibitor).


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 ). (-37
Х not exceed 55% (antifreeze protection).


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

Filling capacities

Use MB 325.0 or MB 326.0 corrosion


Use MB 325.0 or MB 326.0 corrosion inhibitor/antifreeze.

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