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Home >> Mercedes Benz >> 2003 >> CLK500 >> Repair and Diagnosis >> External Pages >> Different car >> Section 314 (Engine Cooling System -- CLK350 Coupe (209.356)) >> Safety Precautions >> Risk of injury to skin and eyes suffering scalding from contact with hot coolant spray. Risk of poisoning from swallowing coolant. - AS20.00-Z-0001-01A

Risk of injury to skin and eyes suffering scalding from contact with hot coolant spray. Risk of poisoning from swallowing coolant. - AS20.00-Z-0001-01A

WARNING: This page is about a different car, the 2009 Mercedes-Benz CLK350 and 2008 Mercedes-Benz CLK350. However, it is still accessible from the selected car via links, so may be relevant.

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