Check main circuit coolant level - AP20.30-P-2050KN
WARNING: This page does not describe the selected car, but rather 203 other vehicles, including the 2020 Mercedes-Benz SLC300, 2020 Mercedes-Benz SL550, 2020 Mercedes-Benz SL450, 2020 Mercedes-Benz S65 AMG, and 2020 Mercedes-Benz GLA250. However, it is still accessible from the selected car via links, so may be relevant.
Engine 112, 113, 156, 271, 272, 273, 628, 629, 642, 646, 647, 648 in model 211
Engine 113, 271, 272 in model 171
Engine 133, 270, 607, 651 in model 117, 176
Engine 133, 270, 607, 651 in model 156
Engine 157, 276, 278, 279 in model 231
Engine 270 in model 242
Engine 270, 607, 651 in model 246
Shown on MODEL 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 | ||
| Check | |||
| 1 | Check coolant level in light-dark boundary area of coolant expansion reservoir (2) | For coolant expansion reservoirs (2) with transparent tank lower part. Coolant level below light-dark boundary: ↓ Coolant level incorrect, continue with operation step 2. Coolant level above light-dark boundary: ↓ Coolant level correct. |
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| Remove | |||
| 2 | Unscrew cap (1) for coolant expansion reservoir (2) | For an incorrect coolant level. | |
| Check | |||
| 3 | Check coolant level | For an incorrect coolant level. If coolant level is too low: ↓ Check coolant for leaktightness and check coolant for antifreeze content subject to separate repair order. |
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| Coolant specifications | Coolant (Specification 310.1). See https://bevo.mercedes-benz.com/index.php?language_id=1 | ||
| Install | |||
| 4 | Seal coolant expansion reservoir (2) with cap (1) | For an incorrect coolant level. |