Trackday problem
12-05-2012, 12:05 PM
#102
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C63 Coupe Edition 1
I just got my car back from it's first service and asked them to apply the flash for this problem. The tech found an update and applied it but according to my service advisor the system doesn't really say what it is for. I guess the only way to be sure is take it to the track and find out.
12-06-2012, 03:26 AM
#103
Senior Member
Hey calisun .
Do u know what the update is called or anything ? Where did u go ? U dksnt have to go to track . Just ride it hard n M mode on street lol . That's what I do . And wanna get in photo shoot Saturday in san Bruno ?
Do u know what the update is called or anything ? Where did u go ? U dksnt have to go to track . Just ride it hard n M mode on street lol . That's what I do . And wanna get in photo shoot Saturday in san Bruno ?
12-06-2012, 10:49 AM
#104
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C63 Coupe Edition 1
Hi,
No, there was no description or update name on my service print out. The advisor made it sound like AMG/ Mercedes in Germany keep the details fairly secret and the techs just see that there is one to apply.
I just went in and said I took it to the track and it overheated and the major assembly protection threshold was reached after just 2 laps. I told them that the AMG private lounge instructed us to have the dealers apply the available update.
You managed to get this to kick in doing street driving? I really must drive mine different than other pople day to day. lol I still have 7/32 on the original tires after a year. lol
No, there was no description or update name on my service print out. The advisor made it sound like AMG/ Mercedes in Germany keep the details fairly secret and the techs just see that there is one to apply.
I just went in and said I took it to the track and it overheated and the major assembly protection threshold was reached after just 2 laps. I told them that the AMG private lounge instructed us to have the dealers apply the available update.
You managed to get this to kick in doing street driving? I really must drive mine different than other pople day to day. lol I still have 7/32 on the original tires after a year. lol
03-20-2013, 05:04 PM
#105
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03 M5
In case some haven't heard... It as been reported on the AMG PL that MB has a fix. Raising the limp mode threshold as it is too low from the factory. They also say this is perfectly safe as it is very conservative as is. Apparently dealers can re-flash cars now to correct. I know in my case, my car was running only slightly hotter than limp mode cut off so this should fix it.
It's great that MB took this seriously and dealt with it.
It's great that MB took this seriously and dealt with it.
@gthal: Did your E92 M3 ever go into limp mode, do you have DCT?
03-20-2013, 07:49 PM
#106
E92 M3 was solid and never had any issue... I owned both a 6MT and a DCT. I could have lapped for hours in 90 deg weather without issues... well, other than brakes, tires and the driver.
03-20-2013, 11:17 PM
#107
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2012 C63 PP, 2012 X3
To add my two cents: neither my E92 M3 (2008) nor my 2007 Z4MC ever went into limp mode on very hot days with burning asphalt and multiple laps. To reiterate, in approx 70 - 75 degree (f) weather, my C63 did not hit limp, however it kicked me out of M and was constantly hitting 135 c / 275 f.
I will report in a month or so once the weather (finally) clears up.
I will report in a month or so once the weather (finally) clears up.
05-25-2013, 02:41 PM
#108
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C63 Couope
C63 Oil Overheat into "limp mode" Solution Prototype
I also have "limp mode" problems after only 2 laps on the track, it's simply sad that a AMP performance car that comes with a lap timer in the dash can't handle two 7/10th laps by an armature.
Anyway, I'll be testing my prototype of a carbon fiber "close out" or "air dam" made on a CNC mounted just above the oil cooler this week. This is not a new idea, it's standard practice on almost all race cars. Venting the hood or replacing the hood with a very costly carbon fiber vented hood will likely make little difference.
Here's the concept: Air is hits the front of the coolers, some of this air flows through the cooler and most of the air flows up and over the coolers into the engine bay. By closing out the top of the area it creates higher pressure and forces more air through the coolers. Also, less warm air is forced into the engine air intakes, cooler air results in a cooler engine and better fuel burn.
If the resulting part proves effective I'll be selling them on eBay, check back this week.
Here is a photo and a short clip of my prototype:
Anyway, I'll be testing my prototype of a carbon fiber "close out" or "air dam" made on a CNC mounted just above the oil cooler this week. This is not a new idea, it's standard practice on almost all race cars. Venting the hood or replacing the hood with a very costly carbon fiber vented hood will likely make little difference.
Here's the concept: Air is hits the front of the coolers, some of this air flows through the cooler and most of the air flows up and over the coolers into the engine bay. By closing out the top of the area it creates higher pressure and forces more air through the coolers. Also, less warm air is forced into the engine air intakes, cooler air results in a cooler engine and better fuel burn.
If the resulting part proves effective I'll be selling them on eBay, check back this week.
Here is a photo and a short clip of my prototype:
05-25-2013, 05:18 PM
#109
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2015 E63S
@yachtcaptain.
This looks awesome. I totally understand the concept and your right, it's nothing new and makes total sense. I still think heat extraction will help but in theory this practice should also really help because of reducing wasted clean inducted air. Keep us posted!
This looks awesome. I totally understand the concept and your right, it's nothing new and makes total sense. I still think heat extraction will help but in theory this practice should also really help because of reducing wasted clean inducted air. Keep us posted!
05-25-2013, 08:32 PM
#111
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c63 coupe
I recall seeing a video presented by some oil company I believe on these forums, how their oil keeps 20F degrees lower or so...any1 recalls the name of the company or link to the post (I cant find it)
edit: found it http://www.raceshotsresource.com/ent...otosports-Park might give it a try.
edit2: video itself
edit: found it http://www.raceshotsresource.com/ent...otosports-Park might give it a try.
edit2: video itself
Last edited by ssmotivex; 05-26-2013 at 02:58 PM.
05-26-2013, 02:21 PM
#113
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c63 coupe
06-02-2013, 02:55 AM
#114
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Dad is right. Pull your grill. Between sessions make sure your hood is open all the way to straight vertical. Run with trans in sport. On your cool down lap each session actually let it cool down and take a nice slow parade let and let the moving air do its work.
Go all day.
Go all day.
06-03-2013, 04:43 PM
#115
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2005 C55, 2006 Ram 2500 MegaCab diesel, sold 2001 Dodge 2500 Cummins, sold 87 190e-16v, sold 97 e420
Wow, it is a bit surprising that so many people have noticed "limp" mode type problems when tracking their C63's. From what I've read, it does seem the problem is more prevalent in the facelifted cars with the MCT transmission.
I wonder whether this is a bit "deliberate" on MB's part.......to "separate" the standard C63 from the C63 Black Series given the price difference. If you want a fully track capable car with all the necessary extra cooling for the engine and transmission, buy a Black Series. Otherwise be happy with a fast street car that is compromised for track duty. I certainly would be very upset that a standard C63 AMG may go into a limp mode of any kind just because of continuous lapping on a track.
Such a thing never happened in the previous generation W203 C55 AMG (which interestingly came with a standard cooler for the rear differential). I and others who track their C55's have never had problems like this. The M113 Evo engine and 5 speed Speedshift automatic transmission were pretty bullet proof despite continous lapping and pushing the car pretty hard during track days.
It certainly is a negative strike against the standard C63 for potential owners who do want to enjoy their sport sedan on lapping days.
I wonder whether this is a bit "deliberate" on MB's part.......to "separate" the standard C63 from the C63 Black Series given the price difference. If you want a fully track capable car with all the necessary extra cooling for the engine and transmission, buy a Black Series. Otherwise be happy with a fast street car that is compromised for track duty. I certainly would be very upset that a standard C63 AMG may go into a limp mode of any kind just because of continuous lapping on a track.
Such a thing never happened in the previous generation W203 C55 AMG (which interestingly came with a standard cooler for the rear differential). I and others who track their C55's have never had problems like this. The M113 Evo engine and 5 speed Speedshift automatic transmission were pretty bullet proof despite continous lapping and pushing the car pretty hard during track days.
It certainly is a negative strike against the standard C63 for potential owners who do want to enjoy their sport sedan on lapping days.
06-03-2013, 05:13 PM
#116
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2005 C55, 2006 Ram 2500 MegaCab diesel, sold 2001 Dodge 2500 Cummins, sold 87 190e-16v, sold 97 e420
I recall seeing a video presented by some oil company I believe on these forums, how their oil keeps 20F degrees lower or so...any1 recalls the name of the company or link to the post (I cant find it)
edit: found it http://www.raceshotsresource.com/ent...otosports-Park might give it a try.
edit2: video itself C63 Dash Cam at Daytona International Speedway during OLOA2013 - YouTube
edit: found it http://www.raceshotsresource.com/ent...otosports-Park might give it a try.
edit2: video itself C63 Dash Cam at Daytona International Speedway during OLOA2013 - YouTube
06-03-2013, 05:52 PM
#117
MBWorld Fanatic!
I think the C could have been made totally trackable but that would have cost another 10k or so and that would have sacrificed a ton of sales in order to please a very small minority.
I have heard of lots of cars that have heat soak on track days. GTRs are notorious for example. The 335s with the N54 motor, and to a lesser degree the M3 (gthals experience notwithstanding). It always comes down to the dosh. Whats it going to cost, and how does that affect sales. I think that in the case of the M3 it is positioned that way in the marketplace and it damn well better be trackable. The C63 is positioned a little more as a luxury missile and because people dont realize how well it CAN handle, track nuts look elsewhere. I would think its a pretty safe bet that a lower percentage of AMGs get tracked than the M3 or a 911 or even a 'Vette. I would also think more AMGs see the track than CTS-Vs, except for the drags maybe.
Another possible reason is that a disproportionate chunk of the 63's sold in North America are sold in Canada which is a lot cooler (temperature wise. ok, culturally too) than you folks in the US who keep getting hotter and hotter. That, combined with European sales, means a lot of these that go to the track are in a cooler environment and have fewer issues, or at least thats what MBs hoping/counting on.
Either that or you can just blame Obama.
I have heard of lots of cars that have heat soak on track days. GTRs are notorious for example. The 335s with the N54 motor, and to a lesser degree the M3 (gthals experience notwithstanding). It always comes down to the dosh. Whats it going to cost, and how does that affect sales. I think that in the case of the M3 it is positioned that way in the marketplace and it damn well better be trackable. The C63 is positioned a little more as a luxury missile and because people dont realize how well it CAN handle, track nuts look elsewhere. I would think its a pretty safe bet that a lower percentage of AMGs get tracked than the M3 or a 911 or even a 'Vette. I would also think more AMGs see the track than CTS-Vs, except for the drags maybe.
Another possible reason is that a disproportionate chunk of the 63's sold in North America are sold in Canada which is a lot cooler (temperature wise. ok, culturally too) than you folks in the US who keep getting hotter and hotter. That, combined with European sales, means a lot of these that go to the track are in a cooler environment and have fewer issues, or at least thats what MBs hoping/counting on.
Either that or you can just blame Obama.
03-24-2014, 04:14 PM
#119
Hey guys.
Sorry to bump the old thread, but I've read like three similar topics on this same issue and the problem seemed to fade away?
So, since I'm in the market for facelift C63, has the ECU flash helped with this problem or what? Also, like I've understood, the car should be driven in S+, traction control off or in sport and try to avoid wheelspin so the tranny won't overheat?
Am I missing something or has AMG made some other changes to this problem as well? I know one dude's coupe got installed bigger oil coolers in this thread: https://mbworld.org/forums/c63-amg-w...heating-5.html
Sorry to bump the old thread, but I've read like three similar topics on this same issue and the problem seemed to fade away?
So, since I'm in the market for facelift C63, has the ECU flash helped with this problem or what? Also, like I've understood, the car should be driven in S+, traction control off or in sport and try to avoid wheelspin so the tranny won't overheat?
Am I missing something or has AMG made some other changes to this problem as well? I know one dude's coupe got installed bigger oil coolers in this thread: https://mbworld.org/forums/c63-amg-w...heating-5.html
