Drain, fill drive electric motor coolant - AR20.00-P-1143MEV
MODEL 451.391/491 with ENGINE 780.009
| 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 | |
| Note on the voltage on-board electrical system | AH54.00-P-0010-01A | ||
| Notes on coolant | AH20.00-N-2080-01A | ||
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| Lowering | |||
| 1 | Remove transmitter key and mains plug | ||
| 2 | Remove interior flap above engine | AR88.40-P-1100-03MCC | |
| 3 | Turn cooling system cap (1) on expansion reservoir (2) a half turn counterclockwise, relieve the overpressure and then unscrew the cooling system cap (1) | ||
| 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 vehicle manufacturer. | AS00.00-Z-0010-01A | |
| 4 | Raise vehicle with vehicle lift | ||
| 5 | Remove coolant drain plug (3) and catch coolant in a suitable container | ||
| Filling | |||
| 6 | Screw in coolant drain plug (3) tightly | *BA20.10-P-1006-01N | |
| 7 | Lower vehicle with vehicle lift | ||
| 8 | Pour in coolant and bleed cooling system | AR20.00-P-1143-06MEV | |
| 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 | ||
| Figure | |||
| Figure | |||
| Check | |||
| 9 | Check coolant level in cooler (2); correct if necessary | ||
| 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 | ||
| 10 | Seal cooler (2) with cap (1) | ||
| 11 | Lower vehicle with vehicle lift | ||
| 12 | Install interior flap above engine | AR88.40-P-1100-03MCC |
COOLANT PUMP, COOLANT THERMOSTAT
| Number | Designation | ENGINE 780.009 | |
|---|---|---|---|
| BA20.10-P-1006-01N | Coolant drain plug to engine | Nm | 45 |