C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

Coolant leak

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Old 10-17-2014, 12:57 PM
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C230 K Coupe (05)
Coolant leak

Hi guys,

Two days ago I got a message on my screen stating "Coolant Check Level"

After checking it out, I noticed it was a bit low. I also noticed that around the container, there was liquid.

It's a lot worse than this picture shows as I took the picture today in the morning after the car was running for couple of min.

Coolant leak-img_1791.jpg

I also saw the leak around the pipe coming out of the coolant box.
Coolant leak-img_1794.jpg
Coolant leak-img_1802.jpg

Also going further down, the liquid was seeping here (sorry, for some reason it didnt want to go in portrait mode)
Coolant leak-img_1790.jpg

I was going to do a whole flush but since I noticed these leaks, I thought I would observe it for couple of days and see if it indeed is the liquid from the coolant container. Suspicion is correct. I had to refill the coolant tank (used distilled water). I will take it to a shop but I wanted to be informed () before I go in so that the shop doesn't come up with bogus repairs. If there is a DIY, that would be great as well.

Any help on the matter would be great guys.

TIA!!
G

PS: Does anyone have a shop recommendation in the Irvine area? I typically go to Albert in Walnut but recently my schedule has become very busy and going up there, given how busy Albert is as well, is going to be tough. Ty!

Last edited by hieracity; 10-17-2014 at 12:59 PM.
Old 10-17-2014, 01:48 PM
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2005 C230K SS
It's DIYable...simply drain your coolant, remove and replace the parts. The reservoir is held by a couple of 10mm bolts. Don't forget to replace this $5 part too.. https://mbworld.org/forums/c-class-w...ance-item.html
Old 10-17-2014, 02:13 PM
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C230 K Coupe (05)
Originally Posted by RWDlifer
It's DIYable...simply drain your coolant, remove and replace the parts. The reservoir is held by a couple of 10mm bolts. Don't forget to replace this $5 part too.. https://mbworld.org/forums/c-class-w...ance-item.html
The parts being the whole box or something else? Anyone have instructions on replacing the whole box?

Thanks for the info!

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