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Drain/fill in coolant - AR20.00-P-1142TI

ENGINES 642 in MODEL 211 

Fig 1: Identifying Cooling System Cap, Drain Hose, Drain Plug On Radiator And Coolant Compensation Tank
G07249063Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
REMOVING Removing     
DANGER 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 Notes on coolant   AH20.00-N-2080-01A 
1 Open engine hood   AR88.40-P-1000T
2 Open cooling system cap (1) at coolant expansion reservoir (2) IMPORTANT Turn the cooling system cap (1) half a revolution anti-clockwise, release the excess pressure and then unscrew cooling system cap (1).  
3 Remove front soundproofing bottom section   AR94.30-P-5300T
4 Slide drain hose on to left fitting (3) at radiator    
5 Slacken siphon hose (4) at radiator and drain coolant. IMPORTANT Catch coolant in a suitable vessel.  
INSTALLING Install     
6 Pull the drain hose (3) off the fitting    
7 Tighten radiator drain plug (4)    
8 Pour in coolant and bleed cooling system IMPORTANT Use clean coolant again. AR20.00-P-1142-04TI 
IMPORTANT Notes on coolant level AH20.00-P-1142-01TI 
REFER TO CAPACITIES & SPECIFICATIONS Coolant specifications Sheet 310.1 BB00.40-P-0310-01A
REFER TO CAPACITIES & SPECIFICATIONS Anticorrosion/antifreeze agents (Sheet 325.0) Sheet 325.0 BB00.40-P-0325-00A
FLUID SPECIFICATION *BF20.00-P-1001-02W 
SPECIAL TOOL Figure
SPECIAL TOOL Figure
9 Inspecting cooling system for leaks   AR20.00-P-1010TI 
10 Install front noise encapsulation bottom section   AR94.30-P-5300T
11 Close cooling system cap (1) at coolant expansion reservoir (2)    
12 Close engine hood   AR88.40-P-1000T
COOLING SYSTEM

Number Designation Engine 642 in model 203, 209, 211, 219, 221
BF20.00-P-1001-02W Cooling system Quantity changed in workshop ≈Liters 7.5
Antifreeze/water Up to -37°C 50/50
up to -45°C 55/45
Service specifications Sheet BB00.40-P-0310-01A
Sheet BB00.40-P-0325-00A
Fig 2: Identifying Test Cap (210 589 00 91 00)
G07249064Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 3: Identifying Vacuum-Type Cooling System Filler (285 589 00 21 00)
G07249065Courtesy of MERCEDES-BENZ OF NORTH AMERICA.