Drain/fill low-temperature circuit coolant - AR20.00-P-1144MTA
ENGINE 133 in MODEL 117, 156, 176
| Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. 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 | ||
| Lowering | |||
| 1 | Remove bumper | ENGINE 133 in MODEL 156 | AR88.20-P-2000NKX |
| ENGINE 133 in MODEL 117, 176 | AR88.20-P-2000NKB | ||
| 2 | Unscrew cap (1) on coolant expansion reservoir (2) | ||
| 3 | Detach coolant hose (3) from wheel arch cooler (4) and drain coolant | AR09.41-P-1311-01AL | |
| Filling | |||
| 4 | Attach coolant hose (3) at wheel arch cooler (4) | AR09.41-P-1311-01AL | |
| 5 | Fill cooling system and bleed cooling system | AR20.00-P-1142-04A | |
| Notes on coolant level | AH20.00-P-1142-01CW | ||
| *BF20.00-P-1001-02ZA | |||
| Figure | |||
| Figure | |||
| Figure | |||
| Figure | |||
| Check | |||
| 6 | Check cooling system for leaktightness | AR09.41-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 | |
| 7 | Perform an engine test run and check cooling system for proper operation |
COOLING SYSTEM
| Number | Designation | ENGINE 133 | |||
|---|---|---|---|---|---|
| BF20.00-P-1001-02ZA | Cooling system | Workshop replacement quantity | Main circuit | Liter | ≈ 7, 5 |
| Low temperature circuit | Liter | ≈ 3, 5 | |||
| Antifreeze/water | Up to -37 °C | % | 50/50 | ||
| As of -38 °C | % | 55/45 | |||
| Specifications | Coolant (Specification 310.1). See https://bevo.mercedes-benz.com/index.php?language_id=1 | ||||
| Specifications | Anticorrosion/antifreeze agents (Specification 325.0). See https://bevo.mercedes-benz.com/index.php?language_id=1 | ||||
| Specifications | Premixed coolant (Specification 326.0). See https://bevo.mercedes-benz.com/index.php?language_id=1 | ||||