Drain/fill low-temperature circuit coolant - AR09.41-P-6834MNA
ENGINE 177 in MODEL 205
MODIFICATION NOTES
| 26.09.2014 | Mixing ratio for coolant | BF20.00-P-1001-04A |
| 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 | |
| Risk of injury caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof. | No parts of the body or limbs should be within the operating area when the components are moving. | AS00.00-Z-0011-01A | |
| Notes on coolant | AH20.00-N-2080-01A | ||
| Remove | |||
| 1 | Remove lower engine compartment paneling | AR61.20-P-1105LW | |
| Drain off | |||
| 2 | Unscrew cap (1) on the upper low-temperature circuit coolant expansion reservoir (2) | ||
| 3 | Carefully detach coolant hose (3) at lower low-temperature circuit coolant expansion reservoir (4) and drain off coolant | AR20.20-P-7441-01RQ | |
| Pour in | |||
| 4 | Mount coolant hose (3) again | AR20.20-P-7441-01RQ | |
| 5 | Pour in coolant and low-temperature circuit (4) | AR20.00-P-1142-04A | |
| *BF20.00-P-1001-04A | |||
| Fig 2 | |||
| Fig 3 | |||
| Fig 4 | |||
| Figure | |||
| Check | |||
| 6 | Check low-temperature circuit for leaktightness | AR09.41-P-1011MNA | |
| 7 | Tighten down cap (1) on upper low-temperature circuit coolant expansion reservoir (2) | ||
| 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 | |
| 8 | Perform an engine test run and check cooling system for proper operation | ||
| Install | |||
| 9 | Install lower engine compartment paneling | AR61.20-P-1105LW |
COOLANT MIXING RATIO
| Number | Designation | Engine all | |||
|---|---|---|---|---|---|
| BF20.00-P-1001-04A | Coolant mixing ratio | Antifreeze/water | Up to -37°C | % | 50/50 |
| As of -38 °C | % | 55/45 | |||
| Specification | Coolant (Specification 310.1). See https://bevo.mercedes-benz.com/index.php?language_id=1 | ||||
| Specification | Anticorrosion/antifreeze agents (Specification 325.0). See https://bevo.mercedes-benz.com/index.php?language_id=1 | ||||
| Specification | Premixed coolant (Specification 326.0). See https://bevo.mercedes-benz.com/index.php?language_id=1 | ||||