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Coolant leaking w205 c220d 4matic

m0ny

New Member
Joined
Sep 20, 2024
Messages
1
Location
Finland
Car
2016 C220d 4matic
Hello, my car is leaking coolant. It first started around 2 years ago after maintenance and it was very minimal. I had the system checked under pressure but no leak could be found. I was thinking that the cap wasn’t put on properly which caused the leaking.

Now after a year or so my car has again started to leak, again, after maintenance. I popped up my hood and saw this. Could this be the reason for the coolant leak alone or is there something else to it?
IMG_2876.jpeg
I don’t think the hose was broken a year ago since I’m pretty sure it would’ve been noticed when system was put under pressure.
 
All that pink flaky stuff looks like it might be coolant residue ... in which case it's probably leaking somewhere in that area.
 

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