Drain/Pour In Coolant - AR20.00-P-1142LF

Model 217 with engine 157, 276, 278, 279

Model 222 with engine 157, 276.8/9, 277, 278, 279, 642, 651

Drain off coolant at cooler, engine 157, 276, 277, 278, 279, 642, 651, shown on engine 278

Courtesy of MERCEDES-BENZ USA

Drain off coolant at coolant pump, only for engine 276

Courtesy of MERCEDES-BENZ USA

Drain off coolant at crankcase, only for engine 651

Courtesy of MERCEDES-BENZ USA

	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 overpressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses.	AS20.00-Z-0001-01A
Notice	Notes on threaded connections fastened using a tightening angle-based tightening process		AH00.00-P-0020-01A
Notice	Notes on coolant		AH20.00-P-2080-01KOA
Notice	Notes on coolant level		AH20.00-P-1142-01CW
	Drain off
1	Remove upper right engine compartment lining.
2	Remove cap from coolant expansion reservoir
3	Remove lower center and front engine compartment lining.		AR61.20-P-1105LF
4	Push drain hose (3) onto the drain fitting (2).
5	Loosen drain screw (4) and collect escaping coolant in a suitable container.
6	Switch on ignition for approx. 5 s and switch off again.	Model 217 with engine 157, 276, 278, 279 Model 222 with engine 157, 276.8, 277, 278, 279, 642, 651 Repeat the process two more times after a waiting time of approx. 30 s.
	Drain off coolant at coolant pump (1)
7	Loosen coolant pump drain screw (5).	Model 217 with engine 276.8 Model 222 with engine 276.8/9 Depending on the repair scope, it is also required to drain the coolant at the coolant pump.
8	Push drain hose (3) onto coolant pump drain screw (5).	Model 217, 222 with engine 276.8 Model 222 with engine 276.9
9	Release coolant pump drain screw (5) from coolant pump (1) and collect escaping coolant in a suitable container.	Model 217, 222 with engine 276.8 Model 222 with engine 276.9
	Drain off at crankcase
10	Remove catalytic converter DPF unit.	Model 222 with engine 651 Depending on the repair scope, it is also required to drain the coolant at the crankcase.	AR49.10-P-5501OLF
11	Remove screws (11) and remove heat shield (12).	Model 222 with engine 651
12	Remove screws (13) and remove heat shield (14).	Model 222 with engine 651
13	Release drain screw from crankcase (10).	Model 222 with engine 651
14	Push drain hose (3) onto drain screw on crankcase (10).	Model 222 with engine 651
15	Continue turning drain screw on crankcase (10) and collect escaping coolant in a suitable container.	Model 222 with engine 651
	Pour in
16	Tighten drain screw (4) and detach drain hose (3) from drain fitting (2).
17	Tighten coolant pump drain screw (5) on coolant pump (1) and detach drain hose (3) from coolant pump drain screw (5).	Model 217, 222 with engine 276.8 Model 222 with engine 276.9
		Model 217, 222 with engine 276.8/9Drain screw on coolant pump	*BA20.10-P-1008-01AA
18	Detach drain hose (3) from drain screw on crankcase (10).	Engine 651 in model 222
19	Tighten drain screw on crankcase (10).	Engine 651 in model 222
		Coolant drain plug on crankcase	*BA20.00-P-1001-02A
20	Install heat shield (14).	Engine 651 in model 222
		Heat shield on starter	*BA15.30-P-1004-01P
21	Install heat shield (12).	Engine 651 in model 222
		Bolt, heat shield to engine support	*BA22.10-P-1003-02A
22	Install catalytic converter DPF unit.	Engine 651 in model 222	AR49.10-P-5501OLF
23	Pour in coolant and bleed engine cooling system.	Model 217 with engine 157, 276, 278, 279 Model 222 with engine 157, 276.8/9, 277, 278, 279, 642, 651	AR20.00-P-1142-04A
	Anticorrosion/antifreeze agents (Sheet 325.0)		BB00.40-P-0325-00A
	Anticorrosion agent/antifreeze (specification 325.6)		BB00.40-P-0325-06A
	Premixed coolant (specification 326.6)		BB00.40-P-0326-06A
	Coolant specifications		BB00.40-P-0310-01A
		Re-use clean coolant.
		Model 222 with engine 277Cooling system	*BF20.00-P-1001-02KA
		Model 217 with engine 278 Model 222 with engine 278Cooling system	*BF20.00-P-1001-02EA
		Model 217 with engine 276 Model 222 with engine 276.8/9Cooling system	*BF20.00-P-1001-02BA
		Model 217, 222 with engine 279Cooling system	*BF20.00-P-1001-02GA
		Engine 651 in model 222Cooling system	*BF20.00-P-1001-02KA
		Engine 642 in model 222 low-temperature circuit Cooling system, low temperature circuit	*BF20.00-P-1002-02HA
		Engine 642 in model 222 high-temperature circuit Cooling system, high temperature circuit	*BF20.00-P-1001-02HA
		Model 222 with engine 157Cooling system	*BF20.00-P-1001-02FA
		Electric vacuum pump	Fig 3
		NTKL Adaption	Fig 1
		Cooler vacuum filling device	Fig 4
		Test cap	Fig 2
24	Switch on ignition for approx. 5 s and switch off again.	Model 217 with engine 157, 276.8, 278, 279 Model 222 with engine 157, 276.8, 277, 278, 279, 642, 651 Repeat the process two more times after a waiting time of approx. 30 s.
25	Check engine cooling system for leak tightness.		AR20.00-P-1010LF
26	Install lower center and front engine compartment lining.		AR61.20-P-1105LF
27	Install upper right engine compartment lining.

STARTER

Number	Designation		Engine 651
BA15.30-P-1004-01P	Heat shield on starter	Nm	9

ENGINE COOLING, GENERAL

Number	Designation		Engine 651
BA20.00-P-1001-02A	Coolant drain plug on crankcase	Nm	12

COOLANT PUMP, COOLANT THERMOSTAT

Number	Designation			Engine 276
BA20.10-P-1008-01AA	Drain screw on coolant pump	Stage 1	Nm	6
BA20.10-P-1008-01AA	Drain screw on coolant pump	Stage 2	∠	90

ENGINE SUPPORT (ENGINE SIDE)

Number	Designation		Engine 651
BA22.10-P-1003-02A	Bolt, heat shield to engine support	Nm	9

COOLING SYSTEM

Number	Designation				Engine 276 in model 217	Engine 276 in model 222 (except 222.163/173)
BF20.00-P-1001-02BA	Cooling system	Workshop replacement amount	Main circuit	L	≈ 12, 3	≈ 12, 3
		Workshop replacement amount	Low-temperature circuit	L	≈ 3, 2	≈3, 2
		Antifreeze/water	Up to -37° C	%	50/50	50/50
			As of -38°C	%	55/45	55/45
			Fuids, Specifications		BB00.40-P-0310-01A	BB00.40-P-0310-01A
			Fuids, Specifications		BB00.40-P-0325-06A	BB00.40-P-0325-00A
			Fuids, Specifications		BB00.40-P-0326-06A	BB00.40-P-0326-00A

COOLING SYSTEM

Number	Designation				Engine 276 in model 222.163/173
BF20.00-P-1001-02BA	Cooling system	Workshop replacement amount	Main circuit	L	≈ 12, 6
		Workshop replacement amount	Low-temperature circuit	L	≈ 3, 5
		Antifreeze/water	Up to -37°C	%	50/50
			As of -38°C	%	55/45
			Fuids, Specifications		BB00.40-P-0310-01A
			Fuids, Specifications		BB00.40-P-0325-00A
			Fuids, Specifications		BB00.40-P-0326-00A

COOLING SYSTEM

Number	Designation				Engine 278 in model 217	Engine 278 in model 222
BF20.00-P-1001-02EA	Cooling system	Workshop replacement quantity	Main circuit	Liter	≈ 12, 1	≈ 12, 1
		Workshop replacement quantity	Low temperature circuit	Liter	≈ 3, 6	≈3, 6
		Antifreeze/water	Up to -37° C	%	50/50	50/50
			As of -38°C	%	55/45	55/45
			Specifications		BB00.40-P-0310-01A	BB00.40-P-0310-01A
			Specifications		BB00.40-P-0325-00A	BB00.40-P-0325-00A
			Specifications		BB00.40-P-0326-00A	BB00.40-P-0326-00A

COOLING SYSTEM

Number	Designation				Engine 157 in model 222
BF20.00-P-1001-02FA	Cooling system	Workshop replacement amount	Main circuit	Liter	≈ 9
		Workshop replacement amount	Low temperature circuit	Liter	≈ 2, 5
		Antifreeze/water	Down to -37°C	%	50/50
			-38°C and below	%	55/45
			Specifications		BB00.40-P-0310-01A
			Specifications		BB00.40-P-0325-00A
			Specifications		BB00.40-P-0326-00A

COOLING SYSTEM

Number	Designation				Engine 279 in model 217, 222
BF20.00-P-1001-02GA	Cooling system	Workshop replacement amount	Main circuit	Liter	≈11, 0
		Workshop replacement amount	Low-temperature circuit	Liter	≈ 2, 0
		Antifreeze/water	Down to -37°C	%	50/50
			-38°C and below	%	55/45
			Fuids, Specifications		BB00.40-P-0310-01A
			Fuids, Specifications		BB00.40-P-0325-06A
			Fuids, Specifications		BB00.40-P-0326-06A

COOLING SYSTEM

Number	Designation				Engine 642 in model 222
BF20.00-P-1001-02HA	Cooling system, high temperature circuit	Workshop replacement amount		Liter	≈ 11, 6
		Antifreeze/water	Down to -37°C	%	50/50
			-38°C and below	%	55/45
			Specifications		BB00.40-P-0310-01A
			Specifications		BB00.40-P-0325-00A
			Specifications		BB00.40-P-0326-00A

COOLING SYSTEM

Number	Designation				Engine 277 in model 222	Engine 651 in model 222
BF20.00-P-1001-02KA	Cooling system	Workshop replacement amount	Main circuit	Liter	≈ 15, 0	≈ 10, 5
		Workshop replacement amount	Low-temperature circuit	Liter	≈ 3, 5	≈3, 7
		Antifreeze/water	Down to -37° C	%	50/50	50/50
			-38°C and below	%	55/45	55/45
			Fuids, Specifications		BB00.40-P-0310-01A	BB00.40-P-0310-01A
			Fuids, Specifications		BB00.40-P-0325-06A	BB00.40-P-0325-06A
			Fuids, Specifications		BB00.40-P-0326-06A	BB00.40-P-0326-06A

COOLING SYSTEM

Number	Designation				Engine 642 in model 222
BF20.00-P-1002-02HA	Cooling system, low temperature circuit	Workshop replacement amount		Liter	≈2, 8
		Antifreeze/water	Down to -37°C	%	50/50
			-38°C and below	%	55/45
			Specifications		BB00.40-P-0310-01A
			Specifications		BB00.40-P-0325-00A
			Specifications		BB00.40-P-0326-00A

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 Electric Vacuum Pump (285 589 02 21 00)

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Cooler Vacuum Filling Device (285 589 00 21 00)

Courtesy of MERCEDES-BENZ USA