C450/C43 AMG
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5 minute cooling mod (Always on IC pump)

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Old Jun 8, 2023 | 02:17 PM
  #26  
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C43 AMG '17 / Stage II
Originally Posted by MaverickC43
@kistiyanpetrov
did u look at your car?
im not really site what to look for 🤦🏻‍♂️
Nope, my car is at MB dealer will stay there for 2-3 weeks probably so once I take it will have a look and will try this method thanks to the OP
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Old Jun 9, 2023 | 03:11 PM
  #27  
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Originally Posted by MaverickC43
I’ll take a look today.
unless someone beats me to it. Lol
which one is the pump?
so I can look for that middle wire 🤷🏻‍♂️🤦🏻‍♂️
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Old Jun 9, 2023 | 06:01 PM
  #28  
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2014 C63 Sedan
Inside the passenger side wheel well. You will see the hoses run from it to the intercooler
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Old Jun 23, 2023 | 12:27 PM
  #29  
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I’m not great with cars, don’t know what I’m looking for. 😢
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Old Jun 23, 2023 | 06:38 PM
  #30  
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Anybody with a FL do this?
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Old Jun 26, 2023 | 07:02 PM
  #31  
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My bad
that wire is there
😩🤦🏻‍♂️
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Old Jun 27, 2023 | 02:45 PM
  #32  
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I’m getting at error light when I start up, but can clear it with jb4, so any obd2 reader could clear too
anyone else get this?
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Old Jun 27, 2023 | 03:35 PM
  #33  
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2014 C63 Sedan (SOLD), 2011 SLS Gullwing (SOLD), 2009 SLK55 (SOLD), 2015 C7 Z06 7MT, 2016 C450amg
I did not get any error lights. Did you open the reservoir (when cold) and put the car in the run position to make sure it is flowing now?
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Old Jun 27, 2023 | 06:12 PM
  #34  
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I’ll see if the pump running when the light is on
I assume ur is
car runs no different
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Old Jun 27, 2023 | 06:16 PM
  #35  
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Pump is running when light comes on
Jb4 clears error with their “delete code “ process but never reads one.
I’ll check with my other reader
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Old Jun 28, 2023 | 01:59 PM
  #36  
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Originally Posted by MaverickC43
I’ll see if the pump running when the light is on
I assume ur is
car runs no different
Runs no different? So WOT your temperatures aren't lower?
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Old Jun 28, 2023 | 07:19 PM
  #37  
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It’s hard to tell but I’ll look at some jb4 logs
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Old Jun 28, 2023 | 07:23 PM
  #38  
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Originally Posted by MaverickC43
It’s hard to tell but I’ll look at some jb4 logs
I see, let us know your findings : )
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Old Jun 28, 2023 | 07:36 PM
  #39  
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Originally Posted by W205C43PFL
Runs no different? So WOT your temperatures aren't lower?
I would be shocked if this coolant pump mod resulted in a materially different IAT at WOT.
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Old Jun 28, 2023 | 07:50 PM
  #40  
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Originally Posted by C43HeartBoost
I would be shocked if this coolant pump mod resulted in a materially different IAT at WOT.
Right, I guess I meant just idling... in sport+
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Old Jun 28, 2023 | 07:52 PM
  #41  
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WHAT??
U know how much I spent to get this mod done??
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Old Jun 28, 2023 | 07:53 PM
  #42  
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Lol
that’s right
$0.00
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Old Jun 28, 2023 | 08:21 PM
  #43  
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After I clear the code & start it’s fine
if I turn it off and start again the light comes back
🤷🏻‍♂️
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Old Jun 28, 2023 | 09:14 PM
  #44  
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Originally Posted by MaverickC43
After I clear the code & start it’s fine
if I turn it off and start again the light comes back
🤷🏻‍♂️
Will be interesting what your other scanner says and hopefully provides the code and the description of the problem.
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Old Jun 28, 2023 | 10:50 PM
  #45  
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Originally Posted by W205C43PFL
Right, I guess I meant just idling... in sport+
I am more than willing to be proven wrong with data, but years of modifying cars tells me this mod will do very little.
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Old Jun 29, 2023 | 08:18 AM
  #46  
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A free mod is worth it imo of it makes the driving exp better in any way, but if it causes problems, throws codes then i will need to reevaluate
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Old Jun 29, 2023 | 10:06 AM
  #47  
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Originally Posted by C43HeartBoost
I am more than willing to be proven wrong with data, but years of modifying cars tells me this mod will do very little.
I see, but it is free* (other than time spent on it)
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Old Jun 29, 2023 | 10:07 AM
  #48  
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Originally Posted by MaverickC43
A free mod is worth it imo of it makes the driving exp better in any way, but if it causes problems, throws codes then i will need to reevaluate
Fair enough, totally understand where you are coming from.
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Old Jun 29, 2023 | 12:59 PM
  #49  
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2016 C450
Originally Posted by C43HeartBoost
I am more than willing to be proven wrong with data, but years of modifying cars tells me this mod will do very little.
It will burn out the pump prematurely, and that's about it. A free "mod" that will end up costing $ in the end.
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Old Jun 29, 2023 | 01:36 PM
  #50  
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Originally Posted by Holmes5518
It will burn out the pump prematurely, and that's about it. A free "mod" that will end up costing $ in the end.
The pump is fairly inexpensive though if it does help with cooling but so far there seems to be negligible difference?
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