Engine cooling system - checking and correcting fluid level - AP20.00-P-2011G

ENGINE 102, 103, 104, 110, 112, 113, 115, 117, 602, 603, 606, 616, 617 

Fig 1: Locating Coolant Expansion Reservoir Gasket (1 Of 2)

Courtesy of MERCEDES-BENZ USA

Fig 2: Locating Coolant Expansion Reservoir Gasket (2 Of 2)

Courtesy of MERCEDES-BENZ USA

	Checking
	Risk of injury  to skin and eyes from scalding from hot coolant which splashes out. Risk of poisoning  from swallowing coolant.	Do not open the cooling system unless the coolant temperature is below 90°C. Open cap slowly and allow the pressure to release. Do not pour coolant into containers for drinks. Wear protective gloves, protective clothes, and eye protection.
1	Remove cap
2	Check coolant level	The cooling system is properly filled when the coolant reaches up to the mark in the filler fitting or the mark on the coolant expansion reservoir.