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Coolant low anyone??

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Old Oct 19, 2015 | 06:13 PM
  #1  
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2015 C63s E1 Irridium silver, 2008 C300 rwd, 2007 Audi Q7 3.6 S line premium, 2002 Renault LagunaII
Coolant low anyone??

Hi I have the coolant low warning message. My question, should I drive to dealership for them to top up or? Also, I noticed the antifreeze in my reservoirs are pinkish coloured while what I have from MB for my W204 is light blue does that matter? And I noticed there are 2 coolant caps/reservoirs(one bigger one on the left looking from front of car and one smaller in the middle on top of the engine) which one do I top up from?
Thanks for quick reply!
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Old Oct 19, 2015 | 11:55 PM
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Got the message this morning. Checked page 329 of the manual. I'll check the level in the morning and if it's low will swing by the dealership to have them top it up.
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Old Oct 20, 2015 | 08:41 AM
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Originally Posted by profi
Hi I have the coolant low warning message. My question, should I drive to dealership for them to top up or? Also, I noticed the antifreeze in my reservoirs are pinkish coloured while what I have from MB for my W204 is light blue does that matter? And I noticed there are 2 coolant caps/reservoirs(one bigger one on the left looking from front of car and one smaller in the middle on top of the engine) which one do I top up from?
Thanks for quick reply!
Did you smell any coolant prior to the warning?
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Old Oct 20, 2015 | 11:34 AM
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I got the same message yesterday morning and this morning. I'll check it tonight when I get home and it has had a chance to cool down.

Same thing happened to a Range Rover my wife used to have. Ended up being that the factory was just stingy with the coolant fill.
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Old Oct 20, 2015 | 01:54 PM
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Originally Posted by profi
Hi I have the coolant low warning message. My question, should I drive to dealership for them to top up or? Also, I noticed the antifreeze in my reservoirs are pinkish coloured while what I have from MB for my W204 is light blue does that matter? And I noticed there are 2 coolant caps/reservoirs(one bigger one on the left looking from front of car and one smaller in the middle on top of the engine) which one do I top up from?
Thanks for quick reply!
I went by the dealership and they top it up for me, told me they top up both reservoirs.
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Old Oct 20, 2015 | 03:39 PM
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Originally Posted by Will617
Did you smell any coolant prior to the warning?
No. Only the warning. When I started again next day the warning was gone but I opened the cap and found the coolant level a bit low. Was told this is common for turbo cars?
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Old Oct 20, 2015 | 03:41 PM
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Originally Posted by dtshd

I went by the dealership and they top it up for me, told me they top up both reservoirs.

Thanks! Any charges? Did you have to buy the coolant? I bought one. So they had the blue and the pink one. I used the blue one for my W204 C300 but they recommend the pink one for C63S. They told me to mix 50% water.
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Old Oct 20, 2015 | 03:57 PM
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Originally Posted by profi
Thanks! Any charges? Did you have to buy the coolant? I bought one. So they had the blue and the pink one. I used the blue one for my W204 C300 but they recommend the pink one for C63S. They told me to mix 50% water.

If you ever need coolant/Oil topped off, the dealer will usually do it free of charge.
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Old Oct 20, 2015 | 06:41 PM
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Originally Posted by profi
Thanks! Any charges? Did you have to buy the coolant? I bought one. So they had the blue and the pink one. I used the blue one for my W204 C300 but they recommend the pink one for C63S. They told me to mix 50% water.
No charge.
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Old Oct 21, 2015 | 10:58 AM
  #10  
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just happened to me too this weekend (coincidence that i left it outside overnight and it dipped to just above freezing?)....went to dealer for top up while i waited, no charge....5,100km on c63s from May.

...on a side note, just after that, i started having intermittent problems with my blind spot assist and lane keeping assist....oh well, i'll wait for service a for that one!
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Old Nov 12, 2015 | 02:11 PM
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oops

Last edited by deutschlandFan; Dec 10, 2015 at 09:41 AM.
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Old Nov 12, 2015 | 02:36 PM
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my car had to be topped off
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Old Jun 26, 2016 | 03:26 PM
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Reviving an old thread. I just had this warning as well as a low oil message pop up. I was looking up which coolant to use and also got confused since blue was recommended but I have the pink.
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Old Jun 26, 2016 | 07:42 PM
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I would use MB coolant the same color as you have from the factory. The coolant has an additive package to make it last the 15 year service interval. Do not add anything else except MB coolant and distilled water mixed 50/50. The dealer will likely top it off while you wait for no charge.
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