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Home >> Mercedes Benz >> 2000 >> ML430 >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System -- 163 Chassis >> Safety Precautions >> Risk of injury - AS20.00-Z-0001-01A

Risk of injury - AS20.00-Z-0001-01A

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 bottles. 

Wear protective gloves, protective clothing and eye protection. 

Possible hazards 

Risk of injury 

When the engine is warm, the cooling system is pressurized. If the cooling system is opened suddenly, there is a risk of scalding  from hot coolant which splashes out.

Danger of poisoning 

If coolant is swallowed, this can result in manifestations of poisoning such as headaches, dizziness, stomach pain, respiratory paralysis, unconsciousness, vomiting and cramps.

Safety precautions/instructions 

Wear protective gloves, protective clothing and eye protection.

Do not pour coolant into beverage bottles.

First aid measures