(Drain/Pour In Coolant - AR20.00-P-1142OIB)

Engine 654 in Model 257

Engine 656 in Model 213, 238, 257

Courtesy of MERCEDES-BENZ USA

	Risk of injury caused by scraping or cutting body parts on sharp vehicle parts	Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels.	AS00.00-Z-0017-01A
	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
	Risk of injury . Skin or eye injuries may result when handling hot or glowing objects.	Wear protective gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
	Notes on coolant		AH20.00-N-2080-01A
	Notes on coolant level		AH20.00-P-1142-01CW
	Remove
1	Slowly remove cap from expansion reservoir.
2	Remove front, center and rear lower engine compartment lining.	Engine 654 in Model 257 Engine 656 in Model 257	AR61.20-P-1105FR
		Engine 656 in Model 213, 238	AR61.20-P-1105LWE
	Drain off
3	Slide drain hose onto fitting (2).
4	Open drain valve, drain coolant and collect in suitable container.	Only open drain valve to extent that coolant can drain out.
5	Close drain valve.
6	Remove drain hose.
7	Remove coolant hose (1) at radiator low-temperature circuit and collect escaping coolant in suitable container.		AR20.20-P-7441-01RQ
8	Attach coolant hose (1) to radiator low-temperature circuit.		AR20.20-P-7441-01RQ
9	Remove coolant hose (3) at oil cooler and collect escaping coolant in suitable container.		AR20.20-P-7441-01RQ
10	Attach coolant hose (3) to oil cooler.		AR20.20-P-7441-01RQ
	Pour in
11	Pour in coolant and bleed engine cooling system.		AR20.00-P-1142-04OLC
		Test pressure for pressure-testing the engine cooling system	*BE20.30-P-1005-01A
		Engine 654 in Model 257Cooling system	*BF20.00-P-1001-06B
		Engine 656 in Model 213, 238, 257Cooling system	*BF20.00-P-1001-06b
		Pressure pump	Fig 3
		Electric vacuum pump	Fig 4
		NTKL Adaption	Fig 1
		Cooler vacuum filling device	Fig 5
		Test cap	Fig 2
	Check
12	Check engine cooling system for leak tightness.		AR20.00-P-1010OIB
	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.	Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
13	Carry out engine test run and check engine for proper leaktightness and leaktightness.
	Install
14	Install front, center and rear lower engine compartment lining.	Engine 654 in Model 257 Engine 656 in Model 257	AR61.20-P-1105FR
		Engine 656 in Model 213, 238	AR61.20-P-1105LWE

RADIATOR OR EXPANSION RESERVOIR CAP

Number	Designation			1-stage cover latch	Engine 100, 102, 103, 104, 110, 111, 112, 113, 114, 115, 116, 117, 119, 120, 121, 123, 127, 129, 130, 133, 137, 139, 152, 155, 156, 157, 159, 166, 180, 256, 260, 264, 266, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 282, 2852-stage latch cover Engine 601, 602, 603, 604, 605, 606, 607, 608, 611, 612, 613, 615, 616, 617, 621, 626, 628, 629, 640, 642, 646, 648, 651, 654, 656, 6682-stage latch cover
BE20.30-P-1005-01A	Test pressure for pressure-testing the engine cooling system	Overpressure	bar	1, 4	1, 4

COOLING SYSTEM

Number	Designation				Engine 654 in Model 257
BF20.00-P-1001-06B	Cooling system	Workshop replacement amount		l	≈ 13
		Antifreeze/water	Down to -37°C	%	50/50
			-38°C and below	%	55/45
			Specifications for Operating Fluids		BB00.40-P-0310-01A
			Specifications for Operating Fluids		BB00.40-P-0325-06A
			Specifications for Operating Fluids		BB00.40-P-0326-06A

COOLING SYSTEM

Number	Designation				Engine 656 in Model 213	Engine 656 in Model 238
BF20.00-P-1001-06E	Cooling system	Workshop replacement amount	Main circuit	Liter	≈ 13	≈ 13
			Low-temperature circuit	Liter	-	-
		Antifreeze/water	to -37°C	%	50/50	50/50
			as from -38°C	%	55/45	55/45
			Specifications for Operating Fluids		BB00.40-P-0310-01A	BB00.40-P-0310-01A
			Specifications for Operating Fluids		BB00.40-P-0325-06A	BB00.40-P-0325-06A
			Specifications for Operating Fluids		BB00.40-P-0326-06A	BB00.40-P-0326-06A

COOLING SYSTEM

Number	Designation				Engine 656 in Model 257
BF20.00-P-1001-06E	Cooling system	Workshop replacement amount	Main circuit	Liter	≈ 13
			Low-temperature circuit	Liter	-
		Antifreeze/water	to -37°C	%	50/50
			as from -38°C	%	55/45
			Specifications for Operating Fluids		BB00.40-P-0310-01A
			Specifications for Operating Fluids		BB00.40-P-0325-06A
			Specifications for Operating Fluids		BB00.40-P-0326-06A

Fig 1: Identifying NTKL Adaption (285 589 01 21 00)

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Test Cap (210 589 00 91 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Pressure Pump (124 589 24 21 00)

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Electric Vacuum Pump (285 589 02 21 00)

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Fig 5: Identifying Cooler Vacuum Filling Device (285 589 00 21 00)

Courtesy of MERCEDES-BENZ USA