Drain/fill in coolant - AR20.00-P-1142HM

ENGINES 275 in MODEL 215, 216, 220, 221, 230 Low-temperature circuit

Fig 1: Identifying Charge Air Cooler Circulation Pump, Coolant Hose And Cap

Courtesy of MERCEDES-BENZ USA

	Drain
	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
	Notes on coolant		AH20.00-N-2080-01A
1	Remove engine trim panel	Engine 275.95	AR01.10-P-2405LA
1	Remove engine trim panel	Engine 275.98	AR01.10-P-2405IM
2	Unscrew cap (1).	Unscrew cap (1) slowly and until excess pressure escapes.
3	Remove lower engine compartment paneling	Model 230: Only remove right engine compartment paneling under bumper.
		Model 215, 220	AR61.20-P-1105M
		Model 216, Model 221 without code (Z07) Top protection	AR61.20-P-1105SX
		Model 221 with code (Z07) Top protection	AR61.20-P-1105SXS
		Model 230 without code (P99) Special model "AMG Black Series"	AR61.20-P-1105R
		Model 230 with code (P99) Special model "AMG Black Series"	AR61.20-P-1105RBS
4.1	Remove coolant hose (2) to charge air cooler circulation pump (M44)	Model 215, 216, 220, 221, model 230 without code (P99) Special Model "AMG Black Series" Collect coolant in a container. Follow regulations for disposal of coolant.
4.2	Remove drain screw on right low-temperature cooler	Model 230 with code (P99) Special model "AMG Black Series"
4.2	Remove drain screw on right low-temperature cooler	See "Remove/install radiator for low temperature water circuit" Collect coolant in a container. Follow regulations for disposal of coolant.	AR09.41-P-6935RBS
	Filling
5	Connect coolant hose (2) to charge air cooler circulation pump (M44)	Check coolant hose (2) and hose clamp for damage, replace if required.
6	Pour in coolant		*BF20.00-P-1001-04A
7	Bleed low temperature circuit		AR20.00-P-1145H
8	Inspect cooling system for leaks		AR20.00-P-1010HN
9	Install lower engine compartment paneling	Model 215, 220	AR61.20-P-1105M
		Model 216, model 221 without code (Z07) Top protection	AR61.20-P-1105SX
		Model 221 with code (Z07) Top protection	AR61.20-P-1105SXS
		Model 230 without code (P99) Special model "AMG Black Series"	AR61.20-P-1105R
		Model 230 with code (P99) Special model "AMG Black Series"	AR61.20-P-1105RBS

MIXTURE RATIO FOR COOLANT

Number	Designation			ENGINE all
BF20.00-P-1001-04A	Mixture ratio for coolant	Antifreeze/water	Up to -37°C	50/50
		Antifreeze/water	up to -45°C	55/45
		Specifications for service products	Sheet	BB00.40-P-0310-01A
		Specifications for service products	Sheet	BB00.40-P-0325-00A