Cooling system (drivetrain cooling, battery cooling) - Check fluid level and anti-corrosion/antifreeze protection - AP20.00-P-2013MEX
ENGINE 780 in MODEL 451.390/392/490/492
| 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 | |
| Remove | |||
| 1 | Remove maintenance flap | ||
| 2 | Tun cap (1) on expansion reservoir (2) slowly in counterclockwise direction, vent overpressure and then unscrew cap (1) | ||
| Check | |||
| 3 | Check anticorrosion/antifreeze in the coolant | ||
| Coolant specifications | Coolant (Specification 310.1). See https://bevo.mercedes-benz.com/index.php?language_id=1 | ||
| Anticorrosion/antifreeze agents (Sheet 325.0) | Anticorrosion/antifreeze agents (Specification 325.0). See https://bevo.mercedes-benz.com/index.php?language_id=1 | ||
if necessary ↓ Correct the coolant composition subject to separate repair order. |
Figure | ||
| 4 | Check coolant level in expansion reservoir (2) | In the event of fluid loss which is not due to normal consumption ↓ Check cooling system for leaktightness subject to separate repair order. |
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| AR20.00-P-1010MCC | |||
| Install | |||
| 5 | Seal expansion reservoir (2) with cap (1) | ||
| 6 | Install maintenance flap |