Losing Antifreeze for no reason? - anyone else?

Taximan1 · 09-05-2009, 01:21 AM

Well... Obviously there must be a reason. Just not sure what it could be..

The car runs perfect. No smells, never runs hot. Oil is perfectly clean, and at the correct level all the time. Never any leaks or puddles under the car (it gets parked inside, so I would know for sure). But every few months. The coolant resovior is empty, or very low. This time it took nearly a gallon of antifreeze to fill back up..

The car is still under warranty. What should I tell them??
Never throws any codes, no CE light, nothing.. The low coolant light wasn't even on, and it took 3/4 of the entire bottle of antifreeze!!! Is it worth taking it in? Or is this normal?

2005 with 25k miles on it, all stock. Any advice?? thanks much!!!

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Taximan1 · 09-05-2009, 01:35 AM

The only thing I will add is. I DID have an IC pump replaced last year under warranty. After the car (of course) became very sluggish, and had a rotten egg odor when under load.

But if there was a leak where the IC pump connections are made. Coolant would be on the ground.... right?

wawy · 09-05-2009, 01:50 AM

Your intercooler core could be cracked and the coolant is probably leaking into the intake runners.....just like mine was on my old 2002 C32.

wawy · 09-05-2009, 01:57 AM

Please read this thread:
http://mbworld.org/forums/c32-amg-c5...servoir-2.html

....as it will provide you with all the information you require. I actually showed this thread and the pictures to the service advisor at my MB dealership. Before I gave them this info they thought I was crazy....

mkonei · 09-05-2009, 11:57 AM

Quote:

Originally Posted by wawy

Your intercooler core could be cracked and the coolant is probably leaking into the intake runners.....just like mine was on my old 2002 C32.

+1 it seems to be a somewhat common occurrence on the c32. you moved to Florida?

Taximan1 · 09-05-2009, 08:38 PM

Quote:

Originally Posted by mkonei

+1 it seems to be a somewhat common occurrence on the c32. you moved to Florida?

yes

Had enough of Jersey.

Thanks for the help, guys!!!!!! I'll keep an eye on it, and take the thread print-out into the dealer.

I deal with Mercedes of Palm Beach now.. So far they have been GREAT!!!! So, we'll see..

thanks again

Taximan1 · 11-11-2009, 01:25 PM

well, it got worse. Now you can actually smell the antifreeze when the car is shutoff..

I DO have warranty.. So, I will print this and taker her in. thanks again..

09-05-2009, 01:50 AM	#3
wawy Super Member Join Date: Jul 2003 Location: Western Canada Posts: 933 Drives: 2006 C55 AMG	Your intercooler core could be cracked and the coolant is probably leaking into the intake runners.....just like mine was on my old 2002 C32. __________________ 2006 Diamond Black C55 AMG RENNtech Monolites 19x8.5/9.5 with Toyo Proxies T1R RENNtech Carbon Fiber Airbox Resonator delete Previous: 2002 C32 AMG Mods: Blacked out side markers, Vogtland springs, H&R Rear swaybar, Resonator delete, ASP pulleys (sold) 2003 C320 (sold) 2002 C230 (sold) 1998 BMW323is (sold)

09-05-2009, 01:57 AM	#4
wawy Super Member Join Date: Jul 2003 Location: Western Canada Posts: 933 Drives: 2006 C55 AMG	Please read this thread: http://mbworld.org/forums/c32-amg-c5...servoir-2.html ....as it will provide you with all the information you require. I actually showed this thread and the pictures to the service advisor at my MB dealership. Before I gave them this info they thought I was crazy.... __________________ 2006 Diamond Black C55 AMG RENNtech Monolites 19x8.5/9.5 with Toyo Proxies T1R RENNtech Carbon Fiber Airbox Resonator delete Previous: 2002 C32 AMG Mods: Blacked out side markers, Vogtland springs, H&R Rear swaybar, Resonator delete, ASP pulleys (sold) 2003 C320 (sold) 2002 C230 (sold) 1998 BMW323is (sold)

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09-05-2009, 01:35 AM	#2
Taximan1 Senior Member Join Date: Jan 2006 Location: Jupiter, Florida Posts: 366 Drives: 2005 E55, 2004 E55(sold), 2001 Viper GTS, 2006 Viper VOI9, 1994 ZR-1 Corvette.	The only thing I will add is. I DID have an IC pump replaced last year under warranty. After the car (of course) became very sluggish, and had a rotten egg odor when under load. But if there was a leak where the IC pump connections are made. Coolant would be on the ground.... right?

11-11-2009, 01:25 PM	#7
Taximan1 Senior Member Join Date: Jan 2006 Location: Jupiter, Florida Posts: 366 Drives: 2005 E55, 2004 E55(sold), 2001 Viper GTS, 2006 Viper VOI9, 1994 ZR-1 Corvette.	well, it got worse. Now you can actually smell the antifreeze when the car is shutoff.. I DO have warranty.. So, I will print this and taker her in. thanks again..

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