Drain/pour in coolant - AR20.00-P-1142H

ENGINE 275 in MODEL 215, 216, 220, 221, 230 Main circuit 

ENGINE 285 in MODEL 240 Main circuit 

Fig 1: Draining/Pouring Coolant - Shown On Engine 285.950 (1 Of 3)

Courtesy of MERCEDES-BENZ USA

Illustrated on model 240 

Fig 2: Draining/Pouring Coolant - Shown On Engine 285.950 (2 Of 3)

Courtesy of MERCEDES-BENZ USA

Shown on engine 285.950 

Fig 3: Draining/Pouring Coolant - Shown On Engine 285.950 (3 Of 3)

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 ground line(s) from battery (batteries)	Only when draining coolant at crankcase, right. Do not connect quiescent current retention unit.
		Model 215, 220	AR54.10-P-0003I
		Model 216, 221	AR54.10-P-0003SX
		Model 230 without code (P99) Special model "AMG Black Series"	AR54.10-P-0003R
		Model 230 with code (P99) Special model "AMG Black Series"	AR54.10-P-0003RBS
		Model 240	AR54.10-P-0003H
2	Unscrew cooling system cap (1) at coolant expansion reservoir (2)	Turn cooling system cap (1) 1/2 one revolution until the pressure is releases then unscrew cooling system cap (1).
3	Remove lower engine compartment paneling	Only the front and center engine compartment paneling.
		Model 215, 220	AR61.20-P-1105M
		Model 216, Model 221 without (Z07) Highest 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
		Model 240	AR61.20-P-1105H
	Drain coolant from radiator
4	Push siphon hose (3) onto left fitting (4) at radiator
5	Slacken siphon hose (5) at radiator and drain coolant	Catch coolant in a suitable vessel.
6	Tighten drain plug (5) and detach drain hose (3) from fitting (4)
	Drain coolant at crankcase on the right
7	Detach drain plug (6) near alternator and slide drain hose (3) onto drain plug (6)	Model 230, 240
8	Open drain plug (6) and drain off coolant	Model 230, 240 Catch coolant in a suitable vessel.
9	Detach drain hose (3) and tighten drain plug (6)	Model 230, 240
			*BA20.00-P-1002-02D
10	Detach drain plug (8) and slide drain hose (3) onto drain plug (8)	Model 215, 216, 220, 221
11	Open drain plug (8) and drain off coolant	Model 215, 216, 220, 221 Catch coolant in a suitable vessel.
12	Detach drain hose (3) and tighten drain plug (8)	Model 215, 216, 220, 221
			*BA20.00-P-1001-02D
	Drain coolant at crankcase. left
13	Detach drain plug (7) and place drain hose (3) on drain plug (7)	Model 216, 220, 221, 240
14	Open drain plug (7) and drain off coolant	Model 216, 220, 221, 240 Catch coolant in a suitable vessel.
15	Detach drain hose (3) and tighten drain plug (7)	Model 216, 220, 221, 240
			*BA20.00-P-1001-02D
16	Lower vehicle
	Filling
17	Pour in coolant and bleed cooling system	Use clean coolant again.	AR20.00-P-1142-04A
			Figure
			Fig 5
	Coolant specifications	Sheet 310.1	Coolant (Specification 310.1). See https://bevo.mercedes-benz.com/index.php?language_id=1
	Anticorrosion/antifreeze agents (Sheet 325.0)	Sheet 325.0	Anticorrosion/antifreeze agents (Specification 325.0). See https://bevo.mercedes-benz.com/index.php?language_id=1
	Notes on coolant level		AH20.00-P-1142-01V
			*BF20.00-P-1001-04A
18	Inspecting cooling system for leaks	Model 215, 220, 230, 240	AR20.00-P-1010HA
		Model 216, 221	AR20.00-P-1010SX
19	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
		Model 240	AR61.20-P-1105H
20	Attach ground line(s) to battery (ies)	Only when coolant has been drained at crankcase on the right.
		Model 215, 220	AR54.10-P-0003I
		Model 216, 221	AR54.10-P-0003SX
		Model 230 without code (P99) Special model "AMG Black Series"	AR54.10-P-0003R
		Model 230 with code (P99) Special model "AMG Black Series"	AR54.10-P-0003RBS
		Model 240	AR54.10-P-0003H
21	Connect STAR DIAGNOSIS, read and erase diagnostic trouble code memory	Only if ground line (a) on the battery(ies) were removed.
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A

Fig 4: Identifying Test Cap (210 589 00 91 00)

Courtesy of MERCEDES-BENZ USA

Fig 5: Identifying Vacuum-Type Cooling System Filler (285 589 00 21 00)

Courtesy of MERCEDES-BENZ USA