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

Coolant leak, how bad?

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Old 02-06-2015, 10:53 PM
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2013 c250
Coolant leak, how bad?

Here's the pics. Is this a DIY? If so, how?! FYI, I took the under panel off and it was dry.

Coolant leak, how bad?-hg1j9tm.jpg
Coolant leak, how bad?-c9qpyom.jpgCoolant leak, how bad?-pkiiwr6.jpgCoolant leak, how bad?-huanabj.jpg
Old 02-09-2015, 05:59 PM
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2005 C230K(sold), Mk7 Jetta
Looks like the expansion tank/hose there, and the plastic pipe that goes into the block.
(see posts here: https://mbworld.org/forums/c-class-w...ectancy-3.html)
Old 02-10-2015, 07:18 PM
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I think it is. Thx, VVF!
Old 02-12-2015, 04:30 PM
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welp, took 3 hours, but I replaced it. Note: the bottom clamp likes to slide down the tube, making for an interesting 30 minute journey to retrieve it. Also, the front star-shaped nut SUCKS- you need a miniature pool stick shaped driver to get it back in. Dropped it once, had to undo the underpanel to retrieve it. All and all, an easy fix, but a few speedbumps.

Today I realized I've been driving for the last month with like half a liter low of transmission fluid based on how I was measuring it, but I guess that's better than overfilling and having to drain AGAIN (and again).
Old 02-06-2016, 08:04 PM
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Ok, replaced mine today. About 2 hours give or take (means experienced peeps here would do it in 45 minutes )
I found it easier to undo the three bolts on the metal exhaust shield and remove it out of the way, then the two bolts on the pipe are a piece'a'cake.
Lubed the o-rings with a dab of silicone grease and they went in effortlessly.

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