Replace coolant · ap2000i2080b · Mercedes-Benz WIS

AP20.00-I-2080B

Replace coolant

13.12.11

ENGINES 904.941 in MODEL 684.482

N20.30-2049-01

3 Cap

4 Filler neck

 Danger!	Risk of injury to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning caused by swallowing coolant.	Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses.	AS20.00-Z-0001-01A
1	Check radiator, coolant lines, coolant pipes and coolant hoses of cooling and heating system for leaks and condition		AP20.00-I-2050B
2	Unscrew cap (3)
3	Open regulating valve of heating system	 On vehicle without automatic heater: The temperature selector must be in the "max" position. On vehicles with automatic heater: The steering wheel lock must be engaged.
4	Drain coolant	 The old coolant and the corrosion residues must be completely flushed out. If cooling system is very dirty: 	AP20.00-I-2080-01B
		Remove grease and scale in the cooling system	AR20.00-I-1030B
		 The statutory regulations or local wastewater regulations must be observed when disposing of coolant.
5	Pour in new coolant	 Only use new coolant in the specified composition.	AP20.00-I-2080-01B
			*BF20.00-N-1001-01C
	Notes on coolant		AH20.00-N-2080-01A
 Danger!	Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running	Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
6	Bleed cooling and heating system	 To do this, allow the engine to run for approx. one minute with varying speed and in the process refill with coolant up to the bottom edge of the filler neck (4).
7	Screw on cap (3)

 Engine cooling system

Number	Designation			Engine 904.941 in model 684


BF20.00-N-1001-01C	Coolant	Total filling capacity	L	19
		Anticorrosion/antifreeze agent down to -37°C	L	9.5
		Anticorrosion/antifreeze agent down to -45 °C	L	10.5
		Specifications for Operating Fluids	Sheet	BB00.40-P-0310-01A
			Sheet	BB00.40-P-0325-02A
			Sheet	–

Referenced documents

ah2000n208001a Notes on coolant
ap2000i2050b Cooling and heating system - check condition of radiator, lines and hoses
ap2000i208001b Drain/fill in coolant
ar2000i1030b Remove grease and scale in the cooling system
as0000z000501a Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.
as2000z000101a Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant.