C218 CLS63, 2011 - 2019

Adding coolant

Old Nov 21, 2020 | 10:28 AM
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opnwyder's Avatar
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CLS63 AMG
Adding coolant

I have an "add coolant" message on the dash when I start the car. I looked in the manual and it referred me to the dealership or a website that is literally intended to confuse the reader. Is there a specific mixture of water to antifreeze that I need to add to this car?
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Old Nov 21, 2020 | 01:12 PM
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S204 C250 CDI Sport
You'll have a large capacity of coolant , the level will be down a faction of that capacity .

Top up with water, without fear of dilution .
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Old Nov 21, 2020 | 02:38 PM
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Originally Posted by Gazwould
You'll have a large capacity of coolant , the level will be down a faction of that capacity .

Top up with water, without fear of dilution .
Distilled water.
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Old Dec 6, 2020 | 02:51 AM
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2003 E55 AMG
If you have low coolant check to see if your leaking coolant it could be a very small leak like a couple of drops.. if you do then that's a different problem you have and that's regarding your turbo coolant hose as mine did the same drove it like that for couple months till I realized I need a new hose as they heat up and a small leak happens over time. Check In the morning under motor If there's a couple of drops
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