Drain/Fill Low-Temperature Circuit Coolant - AR09.41-P-6834MLJ

Engine 157, 276, 278 in model 166, 292 

MODIFICATION NOTES

06.07.2015	Cooling system	Engine 278 in model 166	BF20.00-P-1001-02EA
06.07.2015	Cooling system	Engine 278 in Model 166	BF20.00-P-1001-02EA

Courtesy of MERCEDES-BENZ USA

Shown on engine 278 

	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
	Notes on coolant		AH20.00-N-2080-01A
	Remove
1	Remove upper center engine cover
2	Remove front lower engine compartment paneling		AR61.30-P-1001GQ
	Drain off
3	Unfasten clamp from hose (5) at charge air cooler circulation pump (M44)
4	Detach hose (5) from charge air cooler circulation pump (M44)	Collect coolant in reservoir.
5	Unscrew cap on low-temperature circuit coolant expansion reservoir	Engine 157, 278 in model 166, 292	AR09.41-P-0001MLJ
		Engine 276.8 in model 166, 292	AR09.41-P-0001GQC
	Pour in
6	Attach hose (5) on charge air cooler circulation pump (M44) and fasten clamp
7	Pour in coolant and bleed cooling system		AR20.00-P-1142-04A
		Use clean coolant.
		Engine 157 in model 166	*BF20.00-P-1001-02FA
		Engine 157 in model 292.374 Engine 157 in model 292.375Cooling system
		Engine 276 in model 166 Engine 276 in model 292Cooling system	*BF20.00-P-1001-02BA
		Engine 278 in model 166 Engine 278 in model 292Cooling system	*BF20.00-P-1001-02EA
		Test cap	Fig 1
		Electric vacuum pump	Fig 2
		NTKL Adaption	Fig 3
		Cooler vacuum filling device	Fig 4
	Check
8	Check low-temperature circuit for leaktightness		AR09.41-P-1010MLJ
	Install
9	Install front lower engine compartment paneling		AR61.30-P-1001GQ

COOLING SYSTEM

Number	Designation				Engine 276 in model 166 except code ME05 (HYBRID DRIVE 80 kW VARIANT (INCLUDING PLUGIN))	Engine 276 in model 166 with code ME05 (HYBRID DRIVE 80 kW VARIANT (INCLUDING PLUGIN))
BF20.00-P-1001-02BA	Cooling system	Workshop replacement amount	Main circuit	L	≈10, 5	≈9, 7
			Low-temperature circuit	L	≈1, 9	≈6, 0
		Antifreeze/water	Up to -37°C	%	50/50	50/50
			As of -38°C	%	55/45	55/45
			Specifications for Operating Fluids, sheet		BB00.40-P-0310-01A	BB00.40-P-0310-01A
			Specifications for Operating Fluids, sheet		BB00.40-P-0325-00A	BB00.40-P-0325-00A
			Specifications for Operating Fluids, sheet		BB00.40-P-0326-00A	BB00.40-P-0326-00A

COOLING SYSTEM

Number	Designation				Engine 276 in model 292
BF20.00-P-1001-02BA	Cooling system	Workshop replacement amount	Main circuit	L	≈10, 5
			Low-temperature circuit	L	≈1, 9
		Antifreeze/water	Up to -37°C	%	50/50
			As of -38°C	%	55/45
			Specifications for Operating Fluids, sheet		BB00.40-P-0310-01A
			Specifications for Operating Fluids, sheet		BB00.40-P-0325-00A
			Specifications for Operating Fluids, sheet		BB00.40-P-0326-00A

COOLING SYSTEM

Number	Designation				Engine 278 in model 166	Engine 278 in model 292
BF20.00-P-1001-02EA	Cooling system	Workshop replacement quantity	Main circuit	Liter	≈11, 4	≈11, 4
			Low temperature circuit	Liter	≈2, 5	≈2, 5
		Antifreeze/water	Up to -37°C	%	50/50	50/50
			As of -38°C	%	55/45	55/45
			Specification		BB00.40-P-0310-01A	BB00.40-P-0310-01A
			Specification		BB00.40-P-0325-00A	BB00.40-P-0325-00A
			Specification		BB00.40-P-0326-00A	BB00.40-P-0326-00

COOLING SYSTEM

Number	Designation				Engine 157 in model 166	Engine 157 in model 292
BF20.00-P-1001-02FA	Cooling system	Workshop change quantity	Main circuit	Liter	≈ 8	≈ 8
			Low-temperature circuit	Liter	≈ 2	≈ 2
		Antifreeze/water	Up to -37°C	%	50/50	50/50
			As of -38°C	%	55/45	55/45
			Specification		BB00.40-P-0310-01A	BB00.40-P-0310-01A
			Specification		BB00.40-P-0325-00A	BB00.40-P-0325-00A
			Specification		BB00.40-P-0326-00A	BB00.40-P-0326-00A

Fig 1: Identifying Test Cap (210 589 00 91 00)

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Electric Vacuum Pump (285 589 02 21 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying NTKL Adaption (285 589 01 21 00)

Courtesy of MERCEDES-BENZ USA

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

Courtesy of MERCEDES-BENZ USA