Engine cooling system - check fluid level, adjust to correct level. Inspect anticorrosion/antifreeze protection, adjust to correct concentration · ap2000p2010gy · Mercedes-Benz WIS

AP20.00-P-2010GY

Engine cooling system - check fluid level, adjust to correct level. Inspect anticorrosion/antifreeze protection, adjust to correct concentration

12.11.2018

Engine	273, 642 in model 463
Engine	642 in model 461

Modification notes

26.09.2014

Coolant mixing ratio

BF20.00-P-1001-04A

Shown on model 461

1	Cap
2	Coolant expansion reservoir

P20.30-2277-01

Shown on model 463

1	Cap
2	Coolant expansion reservoir

P20.30-2278-01

	Check
 Warning	Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from 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
Topical note	Notes on coolant		AH20.00-N-2080-01A
1	Switch off ignition
2	Open hood
3	Unscrew cap (1) for coolant expansion reservoir (2)	 Slowly screw open end cover (1) and release pressure, then unscrew end cover (1).
4	Using an antifreeze tester, check that coolant contains sufficient anticorrosion agent and antifreeze	 Use approved anti-corrosion and antifreeze agents only.
		 Coolant mixing ratio	*BF20.00-P-1001-04A
		If the mixing ratio is incorrect, correct the coolant composition:
		
		After obtaining special order.
5	Check coolant level		AP20.00-P-2050G
	Notes on coolant level		AH20.00-P-1142-01CW
		If coolant level is too low:
		
		Subject to a separate repair order, check the engine cooling system for leaktightness.
6	Close coolant expansion reservoir (2) with cap (1)
7	Close engine hood

 Coolant mixing ratio

Number	Designation				Engine all (4xWD, CAR, smart)
BF20.00-P-1001-04A	Coolant mixing ratio	Antifreeze/water	Up to -37°C	%	50/50
			As of -38 °C	%	55/45
			Overview and specifications sheet		BB00.40-P-0310-01A
			References to sheet specification		BB00.40-P-0310ZZ

ah2000n208001a Notes on coolant
ah2000p114201cw Notes on coolant level
ap2000p2050g Cooling and heating system - Check condition of radiator, lines and hoses
as2000z000101a Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant.