M157 intercooler system updated
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M157 intercooler system updated
Wanted to share this info with everyone the new M157 engines has a better intercooler system, the difference is the older system shares the water with the radiator, so both engine and intercooler can be fed by the same top up water tank, this effects the water temperature since the water pump can suck hot water from the tank via the Y pipe it shares with the radiator 
The new system is that a separate top up tank is fitted for the intercooler right on top of the engine just below the computer, and the Y pipe is cancelled giving the intercooler better cooling since it doesn't have to share the radiator water! Unfortunately the parts are not available yet but once they are 20C less water temperature will be healthy for our cars.
The new system is that a separate top up tank is fitted for the intercooler right on top of the engine just below the computer, and the Y pipe is cancelled giving the intercooler better cooling since it doesn't have to share the radiator water! Unfortunately the parts are not available yet but once they are 20C less water temperature will be healthy for our cars.
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No I don't have a picture
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From: Abu Dhabi
C218 CLS63TT PP Edition1, W213 E63S
so its the same as what 55k owners were doing !!
splliting engine water from S/C water.
nice to know someone is doing it.
you are a model for modding cars bro.
splliting engine water from S/C water.
nice to know someone is doing it.
you are a model for modding cars bro.
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From: Moscow, Russia
E55K
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From: Paris.
E320
Wanted to share this info with everyone the new M157 engines has a better intercooler system, the difference is the older system shares the water with the radiator, so both engine and intercooler can be fed by the same top up water tank, this effects the water temperature since the water pump can suck hot water from the tank via the Y pipe it shares with the radiator
The new system is that a separate top up tank is fitted for the intercooler right on top of the engine just below the computer, and the Y pipe is cancelled giving the intercooler better cooling since it doesn't have to share the radiator water! Unfortunately the parts are not available yet but once they are 20C less water temperature will be healthy for our cars.
The new system is that a separate top up tank is fitted for the intercooler right on top of the engine just below the computer, and the Y pipe is cancelled giving the intercooler better cooling since it doesn't have to share the radiator water! Unfortunately the parts are not available yet but once they are 20C less water temperature will be healthy for our cars.
Did you want to say that the M157 engine has a better intercooling system than the M113k engine because is doesn't share the fluid with the engine cooling system, like on the V12 TT engine ?
What do you mean by "Older sytem" ?? the 55K Intercooling system ?
Why do you say that parts are not available ? Aren't you talking about the stock M157 intercooling system ??
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Thread Starter
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I havent really understood your post.
Did you want to say that the M157 engine has a better intercooling system than the M113k engine because is doesn't share the fluid with the engine cooling system, like on the V12 TT engine ?
What do you mean by "Older sytem" ?? the 55K Intercooling system ?
Why do you say that parts are not available ? Aren't you talking about the stock M157 intercooling system ??
Did you want to say that the M157 engine has a better intercooling system than the M113k engine because is doesn't share the fluid with the engine cooling system, like on the V12 TT engine ?
What do you mean by "Older sytem" ?? the 55K Intercooling system ?
Why do you say that parts are not available ? Aren't you talking about the stock M157 intercooling system ??
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Last edited by dbasons55; Aug 18, 2012 at 07:50 AM.
Thread Starter
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Thread Starter
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I think its better that you contact them and they might get you the parts and at the same time give you the instructions of fitting them there are some modifications that you will need to know for doing this upgrade. Its an email away here is there email you can contact them and get all that you need for this upgrade info@gad-motors.de all the best.
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From: Poland
C63
I think its better that you contact them and they might get you the parts and at the same time give you the instructions of fitting them there are some modifications that you will need to know for doing this upgrade. Its an email away here is there email you can contact them and get all that you need for this upgrade info@gad-motors.de all the best.
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From: Tbilisi, Georgia
2012 CLS63AMG Kleemann K3
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Joined: Jun 2008
Posts: 180
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From: Tbilisi, Georgia
2012 CLS63AMG Kleemann K3
Intercooler Diagram
I managed to find the diagrams for both non-split system and split system from 2014 s63 AMG. I even managed to get all the parts, but our local MB dealer doesn't want to do the job since they are afraid that they will damage something. 
They don't take any responsibility on upgrades.
They don't take any responsibility on upgrades.
Last edited by Goletiani; Jun 12, 2014 at 05:32 AM.
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Joined: Jun 2008
Posts: 180
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From: Tbilisi, Georgia
2012 CLS63AMG Kleemann K3
I finally did the upgrade according to the diagrams that I posted above. On the top of splitting the system I also upgraded the inter-cooler pump. I managed to find out from the other threats that Renntech is using Pierburg CWA100.2 pump, therefore I got the pump for much lower price.
Alternatively you can also order the pump from your local MB dealer with the following part number: Mercedes SLS cooling pump Part number: A 000 500 04 86 which costs around 400USD.
Connection of wires: Zero: Ground, 3 and four: Positive pole (+)
Alternatively you can also order the pump from your local MB dealer with the following part number: Mercedes SLS cooling pump Part number: A 000 500 04 86 which costs around 400USD.
Connection of wires: Zero: Ground, 3 and four: Positive pole (+)
