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1998 C250 td..power options...!! - Printable Version

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+--- Thread: 1998 C250 td..power options...!! (/showthread.php?tid=4918)



1998 C250 td..power options...!! - jgs600 - 09-19-2013

Hi guys
spent most of the last year sorting out my motor to a point where im now happy with it and want to possibly go for more bhp.
at the moment im running her with the ecu chipped from the standard 150bhp to 175bhp and a straight through stainless steel exhaust system.

i want to ditch the aic con rad and possibly try to fit a bigger front mounted intercooler and go far a slightly bigger turbo ( but not too big that is causes masses of lag )

whats the best turbo option for me to go for as ive been told i can get my original mercedes one modified into a hybrid one or do i just bolt on something bigger.
cheers guys and a great site
[Image: 1071532_10201608248633229_29564330_o.jpg]


RE: 1998 C250 td..power options...!! - aaa - 09-22-2013

What are you doing fuel pump wise?


RE: 1998 C250 td..power options...!! - jgs600 - 09-23-2013

i want to leave the pump as standard for the moment, as its about 175bhp at the moment ive spoken to a turbo shop that can hybrid my original one for about an extra 30bhp or so, so i think with a bigger intercooler maybe and then a slight remap/re0chip i should see 200bhp or so..


RE: 1998 C250 td..power options...!! - JarrusJenkins - 09-23-2013

How much will the om605 take before it goes boom?


RE: 1998 C250 td..power options...!! - jgs600 - 09-23-2013

i have no idea , ive been told these are good engines and will go forever if looked after.. i dont want stupid huge power gains but would love to get a usable 200bhp from the old girl Smile


RE: 1998 C250 td..power options...!! - Eric78 - 09-24-2013

(09-23-2013, 02:10 PM)JarrusJenkins How much will the om605 take before it goes boom?

400 odd hp reliably, there's one on this forum nudging 550hp but
i think it has forged rods in it.


RE: 1998 C250 td..power options...!! - EDH_Performance - 09-24-2013

There are plenty room for big intercooler on the w202, i wil update my thread so you can seeWink


RE: 1998 C250 td..power options...!! - EDH_Performance - 09-24-2013

There are plenty room for big intercooler on the w202, i wil update my thread so you can seeWink


RE: 1998 C250 td..power options...!! - jgs600 - 09-24-2013

cool cheers


RE: 1998 C250 td..power options...!! - dcm - 09-29-2013

Did they give you any info on the hybrid turbo, specs? Do you have a boost or egt gauge installed? Don't think you'll need a larger intercooler for your power aims.


RE: 1998 C250 td..power options...!! - jgs600 - 09-29-2013

well looked at the front today, im looking at ditching the aircon rad but it still loks like a nightmare to route the pipework and so on..!! no i dont have a boost gauge installed, is this easy to do on the c250 om605.... does anyone have any pictures of a larger front mounted intercooler on a w202..


RE: 1998 C250 td..power options...!! - dcm - 09-30-2013

Very easy to install a boost gauge, t-piece on the inlet. Pipes should be easy, there's no need for the pipe to go over the engine and back.


RE: 1998 C250 td..power options...!! - jgs600 - 09-30-2013

ok without sounding like a complete idiot..lol can some knock me up a rough diagram of how to fit a boost gauge to my c250td and an option for routing the intercooler pipes Thanks Smile


RE: 1998 C250 td..power options...!! - dcm - 09-30-2013

Off the inlet manifold, there is a pipe going to the MAP. Put a t-piece on this pipe and use this for a boost gauge. Although it won't be much of an advantage, unless you change the turbo or mapping to see any changes.


RE: 1998 C250 td..power options...!! - jgs600 - 09-30-2013

ok thats great thanks


RE: 1998 C250 td..power options...!! - JarrusJenkins - 10-01-2013

(09-24-2013, 01:28 AM)Eric78
(09-23-2013, 02:10 PM)JarrusJenkins How much will the om605 take before it goes boom?

400 odd hp reliably, there's one on this forum nudging 550hp but
i think it has forged rods in it.

Quite a bit less than the 606 then from what i can gather....
Ard there off the shelf rod avaliable for these?
Sorry for hijacking the thread...


RE: 1998 C250 td..power options...!! - jgs600 - 10-01-2013

i think for the time being my main objective will be to try an upgrade the tiny fmic, but from searching the web i cant find anyone who has done this on a w202 c250td..!!