Shown on engine 256.9 in model 223.163 |
1 | Cap |
2 | 48 volt on-board electrical system coolant circuit coolant expansion reservoir |
P20.00-A062-76
Danger | Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC) | Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines. | |
Warning | 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. | |
Topical note | General information on vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system as well as personal protective equipment | ||
Topical note | Notes on coolant | ||
| Remove | ||
1 | Unscrew cap (1) from coolant circuit coolant expansion reservoir for 48 volt on-board electrical system (2). | ||
| Check | ||
2 | Check coolant level. | With a cold engine, the coolant level must reach the marking (arrow) in the coolant circuit coolant expansion reservoir of the 48 V on-board electrical system (2). When coolant is warm: approx. 1 cm (0.39 inch) above marking. | |
If the coolant level is too low, | |||
| |||
Check cooling system for leak tightness and coolant for antifreeze content. | |||
| Coolant specifications | ||
After obtaining special order. | |||
| Install | ||
3 | Use cap (1).to seal coolant circuit coolant expansion reservoir for 48 volt on-board electrical system (2). |
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