Drain/pour in coolant - AR20.00-P-1142MTA
ENGINE 133 in MODEL 117, 156, 176
MODIFICATION NOTES
| 26.09.2014 | Mixing ratio, 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 | |
| Notes on coolant | AH20.00-N-2080-01A | ||
| Remove | |||
| 1 | Remove lower engine compartment paneling | AR61.20-P-1105NKB | |
| 2 | Remove bumper | Engine 133 in model 156 | AR88.20-P-2000NKX |
| Engine 133 in model 117, 176 | AR88.20-P-2000NKB | ||
| Drain off | |||
| 3 | Unscrew cap (1) on coolant expansion reservoir (2) | ||
| 4 | Push drain hose (6) onto RH drain fitting (3) on cooler (5) | ||
| 5 | Open drain screw (4) at radiator (5) and drain coolant | ||
| Pour in | |||
| 6 | Tighten drain screw (4) on cooler (5) and detach drain hose (6) from drain fitting (3a) | ||
| 7 | Fill cooling system and bleed cooling system | AR20.00-P-1142-04A | |
| Notes on coolant level | AH20.00-P-1142-01CW | ||
| *BF20.00-P-1001-04A | |||
| Figure | |||
| Fig 3 | |||
| Check | |||
| 8 | Check cooling system for leaktightness | AR20.00-P-1010MTA | |
| 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 | |
| 9 | Carry out engine test run and check the cooling system for proper operation and leaktightness | ||
| Install | |||
| 10 | Install bumper | Engine 133 in model 117, 176 | AR88.20-P-2000NKB |
| Engine 133 in model 156 | AR88.20-P-2000NKX | ||
| 11 | Install lower engine compartment paneling | AR61.20-P-1105NKB |
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 | ||||