Drain/pour in coolant - AR20.00-P-1142MM
ENGINE 157, 276, 278 in MODEL 221
ENGINE 157, 278 in MODEL 216
MODIFICATION NOTES
| 26.9.14 | Mixing ratio, coolant | BF20.00-P-1001-04A |
Engine 276
| Drain off | |||
| 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 death caused by vehicle slipping or toppling off of the lifting platform. | Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer. | AS00.00-Z-0010-01A | |
| Notes on coolant | AH20.00-N-2080-01A | ||
| 1 | Unscrew cap on coolant expansion reservoir | ||
| Drain coolant at radiator | |||
| 2 | Slide drain hose onto left fitting (3) at radiator | ||
| 3 | Open drain screw (4) on radiator and drain coolant | ||
| 4 | Turn key for about 5 s in ignition lock in position 1 and then turn key again into position 0 | ENGINE 157, 278 in MODEL 216, 221 |
|
| Drain coolant from coolant pump (1) | |||
| 5 | Loosen drain screw (5) | ENGINE 276 in MODEL 221 | |
| *BA20.10-P-1008-01AA | |||
| 6 | Push drain hose (3) onto drain screw (5) | ENGINE 276 in MODEL 221 | |
| 7 | Open drain screw (5) on coolant pump (1) and drain coolant | ENGINE 276 in MODEL 221 | |
| Pour in | |||
| 8 | Tighten drain screw (4) at radiator and detach drain hose from fitting (3) | ||
| 9 | Tighten drain screw (5) at coolant pump and detach drain hose from fitting (3) | ENGINE 276 in MODEL 221 | |
| 10.1 | Pour in coolant and bleed cooling system | ENGINE 276 in MODEL 221 | |
| Notes on coolant level | AH20.00-P-1142-01V | ||
| AR20.00-P-1142-04A | |||
| 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 | ||
| *BF20.00-P-1001-04A | |||
| Fig 4 | |||
| Figure | |||
| 10.2 | Add coolant, bleed cooling system and turn key for about 5 s in ignition lock in position 1 and then turn key again into position 0 | ENGINE 157, 278 in MODEL 216, 221 | |
| Notes on coolant level | AH20.00-P-1142-01V | ||
| Pour in coolant and bleed cooling system | AR20.00-P-1142-04A | ||
| 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 | ||
| *BF20.00-P-1001-04A | |||
| Fig 4 | |||
| Figure | |||
| 11 | Check cooling system for leaktightness | AR20.00-P-1010SX | |
| 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 | |
| 12 | Perform an engine test run and check cooling system for proper operation |
COOLANT PUMP, COOLANT THERMOSTAT
| Number | Designation | ENGINE 276 | ||
|---|---|---|---|---|
| BA20.10-P-1008-01AA | Drain screw on coolant pump | Stage 1 | Nm | 6 |
| Stage 2 | ∠ | 90 | ||
COOLANT MIXING RATIO
| Number | Designation | ENGINE ALL | ||
|---|---|---|---|---|
| BF20.00-P-1001-04A | Coolant mixing ratio | Antifreeze/water | to -37°C | 50/50 |
| Antifreeze/water | to -45°C | 55/45 | ||
| Specification | Coolant (Specification 310.1). See https://bevo.mercedes-benz.com/index.php?language_id=1 | |||