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Hi, I have a 2015 CLA250 & the anti-freeze leaks. My husband does pretty good with doing the maintenance on my car, however he can’t seem to locate where it’s leaking from. Has anyone else had this issue? Did you take your car to the dealership to have it repaired or were you able to repair it yourself? I know some cars you have to go through the trunk & glove compartment for certain things, Any suggestions on where to look? Thnx
 

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Place some large paper under it when you park at night. You’ll see the stains.

Our 2014 does the same. Did you recently have the trans fluid changed at the dealer? That when ours started to leak. The mechanic caused it but I have yet to figure out how. The dealer claimed it was leaking prior to them working on it and said it was the fluid recirculating tube. It runs down the front of the engine. They ordered me a new tube but I wouldn’t pay them $350 to install it. I put it on my lift and it’s the thermostat housing that is leaking. It’s a very small leak so we just add a little every month or so.
Eventually I will get rid of this junk or fix it.


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Guess its all relative to patience skill and time
From the firewall forward, it is a packed cavity indeed ... though several folks have mucked with the gearbox and nearby components without dinging the tstat
But I can see how if one had no idea what he/she was doing or did not care or was rushing
 

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Not sure if you're still into this, but I had the same problem after replacing the thermostat myself... I didnt tighten a hose clamp as good as I was supposed to and that caused some serious leaks...
You should also have a look over the waterpump... You may not know, but they go faulty way too quick and that's where they'll cause leaks.
 

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You should also have a look over the waterpump... You may not know, but they go faulty way too quick and that's where they'll cause leaks.
If you dig back in time on here there was a rash of water pumps going bad very early in their life
Though in hindsight it now seems to be like a batch thing not recall class
Though never got a straight answer as to the impeller material being metal or polymer as that would relate right back to longevity and rotary sealing
 

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My bad, am sorry for that.

Doesnt sound too good what you're saying there but... yeah, hope they'll fix this asap.
Still working on mine for some things that I dont like but at least I fixed some problems 'til now
 

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My bad, am sorry for that.
Oh no ... no apologies please ... I meant never got any info from way back then

In the clunky old days some “stop leak” solution would do ... gawd knows how many more headaches that would cause in these new toys!

Think I still have a tube of that stuff ...
 

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Never had to use something like that, and hope not too.
Well, hope all's good with the lady and her car tho
 
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