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

ENGINE 281 in MODEL 453

MODIFICATION NOTES

27.03.2017

Basic date for filling capacity incorporated.

Operation steps 14, 19

Courtesy of MERCEDES-BENZ USA

Shown with engine 281.910

Courtesy of MERCEDES-BENZ USA

Shown with engine 281.920

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

Shown on engine 281.920

Courtesy of MERCEDES-BENZ USA

Shown on engine 281.910

	Risk of death caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.	AS00.00-Z-0010-01A
	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
	Risk of injury to skin and eyes suffering scalding from contact with hot coolant spray. 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 maintenance flap
2	Remove cover over engine
3	Turn cap (2) on expansion reservoir (1) half a revolution counterclockwise, relieve overpressure and then unscrew cap (2)
4	Remove underfloor paneling
	Drain off
5	Remove coolant hose (12) from coolant line (13), drain coolant and collect in a suitable container	Engine 281.910 in model 453 Hose clamp pliers	Figure
6	Remove coolant hose (14) from coolant line (15), drain coolant and collect in a suitable container	Engine 281.910 in model 453 Hose clamp pliers	Figure
7	Remove coolant hose (5) from coolant line (8), drain coolant and collect in a suitable container	Hose clamp pliers	Figure
8	Remove coolant hose (6) from coolant line (7), drain coolant and collect in a suitable container	Hose clamp pliers	Figure
	Pour in
9	Attach coolant hose (6) to coolant line (7)	Replace clamp. Hose clamp pliers	Figure
10	Attach coolant hose (5) to coolant line (8)	Replace clamp. Hose clamp pliers	Figure
11	Attach coolant hose (14) to coolant line (15)	Engine 281.910 in model 453 Replace clamp. Hose clamp pliers	Figure
12	Attach coolant hose (12) to coolant line (13)	Engine 281.910 in model 453 Replace clamp. Hose clamp pliers	Figure
13	Unscrew cap (3) from breather hose (4)
14	Fill cooling system via expansion reservoir (1)	The coolant level in the expansion reservoir (1) must be at the upper marking. Cooling system	*BF20.00-P-1001-06SR
15	Remove vent screw (10) by approx. 2 revolutions	Wait until the coolant flows out from the connection fitting (11).
16	Unscrew cap (17) from breather connection (16)	Engine 281.910 in model 453 Wait until the coolant flows out from the breather connection (16).
17	Tighten vent screw (10).
18	Screw on cap (17)	Engine 281.910 in model 453
19	Correct coolant level in expansion reservoir (1)	The coolant level in the expansion reservoir (1) must be at the upper marking. Cooling system	*BF20.00-P-1001-06SR
20	Seal expansion reservoir (1) with the cap (2)
21	Screw cap (3) onto breather hose (4) securely
22	Allow the engine to warm up until the cooler fan motor has switched on and then turn off
23.1	Repeat the venting process until there in no further air coming out of the connection fitting (11)	Engine 281.920 in model 453 The venting process (operation steps 3 and 13 to 22) must be repeated at least once. Otherwise it can lead to damage to the engine.
23.2	Repeat the venting process until there in no further air coming out of the connection fitting (11) and the breather connection (16)	Engine 281.910 in model 453 The venting process (operation steps 3 and 13 to 22) must be repeated at least once. Otherwise it can lead to damage to the engine.
	Check
24	Check cooling system for leak tightness		AR20.00-P-1010SR
	Install
25	Install underfloor paneling
26	Install cover over engine
27	Install maintenance flap

COOLING SYSTEM

Number	Designation				Engine 281 in model 453.041/042/043	Engine 281 in model 453.341/342/343/442/443
BF20.00-P-1001-06SR	Cooling system	Filling capacity		l	≈7, 2	≈6, 9
		Antifreeze/water	to -37 °C	%	50/50	50/50
			as from -38 °C	%	55/45	55/45
			Specifications for service products		BB00.40-P-0310-01A	BB00.40-P-0310-01A
			Sheet		BB00.40-P-0325-00A	BB00.40-P-0325-00A

COOLING SYSTEM

Number	Designation				Engine 281 in model 453.044/053/062	Engine 281 in model 453.344/353/362/444/453/462
BF20.00-P-1001-06SR	Cooling system	Filling capacity		l	≈10, 9	≈10, 5
		Antifreeze/water	to -37 °C	%	50/50	50/50
			as from -38 °C	%	55/45	55/45
			Specifications for service products		BB00.40-P-0310-01A	BB00.40-P-0310-01A
			Sheet		BB00.40-P-0325-00A	BB00.40-P-0325-00A

Fig 1: Identifying Hose Clamp Pliers (003 589 03 37 00)

Courtesy of MERCEDES-BENZ USA