Car running very hot! -Possibly due to low coolant?
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2012 C63 AMG Black Series
Car running very hot! -Possibly due to low coolant?
Hi guys so last week I got a "Check coolant level" warning as shown in the picture below. My C63 is a 2012 sedan with just over 30000kms. The warning comes on usually when I start the car when its completely cold... so really only in the mornings, but not every morning. Last night I was driving and noticed my temperatures which are usually somewhere at 92/92 C was reading 110/92C and I wasnt driving very hard! I started to drive in C mode and be easy on accelerating and it came down to 103/92C. I have an appointment with the dealer next week Friday. Should I add coolant myself? is it difficult? What could be causing these issues? Any advice would be great! Thanks!
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From: Los Angeles
'16 C63-S
Yeah it's because of the coolant. My temp got a little high when my coolant level dropped. Just walk-in at the dealer and they'll add coolant in the drive-thru... You don't need it an appointment for that
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Vivid Racing '09 C63 AMG
If you're comfortable with the levels, you can do it yourself. Otherwise any dealership should do it without much hassle. While you're there, you. Can ask if your engine number is on the head bolt list. That way you know if you should be keeping an eye on the coolant level.
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C63 AMG P30 *EuroCharged*| Porsche Cayenne | Buell XB9SX
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2012 C63 coupe
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C63 AMG P30 *EuroCharged*| Porsche Cayenne | Buell XB9SX
+1. Follow the mixing instructions on the bottle, keeping in mind that a higher concentration of coolant-to-water will make your engine run hotter.
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From: Toronto
97 Porsche GT2 Wide Bodied Cabrio, Mercedes G500
Mine runs at 105 and 92
Use MB approved or MB coolant.
Purchase at dealer.
Or top up with distilled water... As long as the level is not too low.
Use MB approved or MB coolant.
Purchase at dealer.
Or top up with distilled water... As long as the level is not too low.
Last edited by Rsquad911; Oct 19, 2012 at 02:28 PM.
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C63 AMG P30 *EuroCharged*| Porsche Cayenne | Buell XB9SX
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2012 C63;1971 280SE 3.5(Sold);2023 EQS 450 SUV 4 Matic (Wife's)
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2026 AMG GT63 Pro
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2012 C63;1971 280SE 3.5(Sold);2023 EQS 450 SUV 4 Matic (Wife's)
Looks to me that it is VaclavSV's oil temp that is going up and not his coolant temp. It seems pretty normal for the oil temp to go up if the car is pushed a bit. My normal driving around temps are 101*C(oil)/91*C(coolant). Doesn't look like the engine is running hot to me. Just get the dealer to top up your coolant reservoir and check your oil level and you should be good to go. It is easy to fill the coolant reservoir yourself but why do it when the dealer should do it for free and you will not have to buy a $45 (last I paid from memory) jug of coolant.
Last edited by Mort; Oct 19, 2012 at 05:49 PM.
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C63 AMG
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2012 C63;1971 280SE 3.5(Sold);2023 EQS 450 SUV 4 Matic (Wife's)
VaclavSV car is a 2012 and should not have the head bolt issue as it should have the updated head bolts from the factory. Our '08 R-Class 320 CDI used a little coolant with no obvious coolant loss. In three years I had to top it up 3 or 4 times with a cup or two of 50/50 mixed MB Coolant. It was a lease so at lease end I just turned it in.
