Remove/install expansion reservoir - AR20.30-P-4950OGE
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ENGINES 642 in MODEL 212, 218
| Remove/install | |||
| 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 | |
| 1 | Switch off ignition | ||
| 2 | Slowly open cover plate on expansion reservoir (4) and remove | ||
| 3 | Unclamp coolant hose (5) with pinch-off pliers | ||
| 4 | Suction coolant out of expansion reservoir (4) | Figure | |
| 5 | Unclip electrical line at the retaining clamp on expansion reservoir (4) | ||
| 6 | Disconnect electrical connector (3) | ||
| 7 | Release locks and pull bleed lines (2) out of the expansion reservoir (4) | ||
| 8 | Lift up expansion reservoir (4) | ||
| 9 | Remove coolant hose (5) on expansion reservoir (4) | Figure | |
| 10 | Remove expansion reservoir (4) | ||
| 11 | Install in the reverse order | ||
| Checking | |||
| 12 | Check coolant level and correct if necessary | ||
| *BF20.00-P-1001-04A | |||
| Figure | |||
| Figure | |||
| Coolant specifications | Specification 310.1 | Coolant (Specification 310.1). See https://bevo.mercedes-benz.com/index.php?language_id=1 | |
| Anticorrosion/antifreeze agents (Specification 325.0) | Specification 325.0 | Anticorrosion/antifreeze agents (Specification 325.0). See https://bevo.mercedes-benz.com/index.php?language_id=1 | |
| Notes on coolant level | AH20.00-P-1142-01CW | ||
| 13 | Inspect cooling system for leaks | AR20.00-P-1010OMA | |
| Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running | Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. |
AS00.00-Z-0005-01A | |
| 14 | Conduct engine test run and check engine for leaks |
MIXTURE RATIO FOR COOLANT
| Number | Designation | ENGINE all | ||
|---|---|---|---|---|
| BF20.00-P-1001-04A | Mixture ratio for coolant | Antifreeze/water | up to -37°C | 50/50 |
| up to -45°C | 55/45 | |||
| Specifications for service products | 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 | |||