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Pour in coolant and bleed cooling system - AR20.00-P-1142-04TI

MODIFICATION NOTES

29.3.06 Cooling system *BF20.00-P-1001-02Y 
COOLING SYSTEM

Number Designation Engine 629 in model 211
BF20.00-P-1001-02Y Cooling system Total filling capacity ≈Liters 8
Antifreeze/water Up to -37°C 50/50
up to -45°C 55/45
Specifications for Operating Fluids Sheet BB00.40-P-0310-01A
Sheet BB00.40-P-0325-00A
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 1: Identifying Test Cap (210 589 00 91 00)
G07249060Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 2: Identifying Vacuum-Type Cooling System Filler (285 589 00 21 00)
G07249061Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 3: Filling Cooling System
G07249062Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  1. Screw on test cap (02) SPECIAL TOOL at coolant expansion reservoir (2).
  2. Attach control unit (01b) to test cap (02) SPECIAL TOOL
  3. Attach the venturi nozzle (01c) to control unit (01b).
  4. Close the drain and feed valve (01d, 01e).
  5. Attach coolant feed hose (7) to coolant container (01a)

    IMPORTANT Make sure that at least 2 liters extra coolant are in coolant tank (01a) than the maximum fill quantity of the coolant system so that no air is drawn in.

  6. Guide waste air hose (8) into an empty container (9)
  7. Connect the compressed-air hose (10) to the venturi nozzle (01c) and pressurize.
  8. Open drain valve (01d).

    IMPORTANT A vacuum is created in the cooling system.

  9. Open feed valve (01e) until coolant feed hose (7) has filled with coolant.
  10. Close drain valve (01d) if the display on the control unit (01b) is in the green area.
  11. Detach compressed air hose (10) from venturi nozzle (01c) and monitor whether the vacuum remains stable for 30 seconds.

    IMPORTANT If not, check the hoses and connections. Tighten or replace them if necessary and create a vacuum again.

  12. Open feed valve (01e).

    IMPORTANT The cooling system is filled.

  13. Open drain valve (01d) if coolant is no longer being suctioned.
  14. Remove control unit (01b) along with all the connections and test cap (02) SPECIAL TOOL .
  15. Correct coolant level up to the bottom edge of the filler neck of coolant expansion reservoir (2)
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