My C250 coupe build thread
However since you are from Cyprus and your climate is on the hot side the bigger intercooler might give you some better cooling and even better if you tune your car ECU.
Any word on the downpipe and cat?
I have just fitted the Carlsson piggyback and intercooler and am now looking at downpipes. I am leaning towards kleeman but it is so expensive. I would be very interested in getting in on a group purchase.
What news about performance increases from the BMS intake? I'm just running the K&N filter right now but I am looking into a handful of options including the BOCA cold air intake, BMS intake and a serious modification of my own using the K&N apollo unit.
Have you found out about A45 turbo and injector fitment?
Keep up the good work, this thread is inspiring me to empty my bank account

That just simply looks like a flat tyre - maybe that's why its at that work garage to get fixed...
Run flats look exactly the same externally as other non-run flat tyres, it's the internal make up and lack of pressurised air keeping them pumped up that's different
E250 1.8 turbo 2012
i have racechip ultimate, and respond control unite from racechip also
down pipe and race cat from kleemann
K&N AIr filter
what else should i do
The Best of Mercedes & AMG
i didnt find anything
You can always get a hybrid turbo and water methanol kit from KCPerformance.
I was looking to buy an E55 and the advice I was given was.... $$$$ can add up quickly. modding and cost to own repairs.
Don't get me wrong I think anyone would love to jump in a C63, but make sure you do your research! and you don't make a bad financial decision hahaha! and if your the modding type it will defiantly cost you a pretty penny.
I was looking to buy an E55 and the advice I was given was.... $$$$ can add up quickly. modding and cost to own repairs.
Don't get me wrong I think anyone would love to jump in a C63, but make sure you do your research! and you don't make a bad financial decision hahaha! and if your the modding type it will defiantly cost you a pretty penny.
I think a lot of buyers got the C250 figuring that with a turbo, it would be easily tunable. Hell, when I bought my wife's c250 which I drive occasionally, I thought it was fairly under powered. No biggie, a flash will wake it right up. Wrong! In comparison you can take an Audi A4, or S4, S3 and turn them into monsters with just a flash, exhaust and other tweaks. C250 not so much. they feel peppy around town but lack any real power IMO. Still a great handling platform and a joy to drive if acceleration isn't your priority. The C250 does what it is supposed to do, delivers a pleasant driving experience without threatening it's big brothers in the power dept, gotta maintain the hierarchy!
Last edited by 2014 C250; Jun 22, 2016 at 07:08 PM.
I think a lot of buyers got the C250 figuring that with a turbo, it would be easily tunable. Hell, when I bought my wife's c250 which I drive occasionally, I thought it was fairly under powered. No biggie, a flash will wake it right up. Wrong! In comparison you can take an Audi A4, or S4, S3 and turn them into monsters with just a flash, exhaust and other tweaks. C250 not so much. they feel peppy around town but lack any real power IMO. Still a great handling platform and a joy to drive if acceleration isn't your priority. The C250 does what it is supposed to do, delivers a pleasant driving experience without threatening it's big brothers in the power dept, gotta maintain the hierarchy!
Varient throttle coding!!!
Lag gone, my lag is ZERO. The problem is finding someone who can do it hahaha.
Ya BMW, Audi are defiantly easier to tune and make into better preforming cars. BUT the looks and interiors don't come close, well in my opinion. a 2012 BWM interior looks the same as my old 1998 850 Volvo hahaha.
I am making a build thread for my car so I can keep a diary of my car and so you guys can maybe learn from some stuff that I will do or will be done to my car because the C204 is a fairly new platform for tuning.
First off I’ll introduce myself. I am Niels, 27y old and I work as a sales manager in a car parts store in Belgium, where I live. I have been active on this forum for some while. Most of the time in the W203 forum.
I have a W201 190d EVOIII project/show car. Was also featured in a Mercedes Tuner magazine (I'm waiting for the car to be considered an old-timer for the Belgian technical inspection so I can legally do an engine swap)


And a W203 C200cdi. Daily driver/ring toy. Will also be featured in Mercedes Tuner magazine. My dad bought the car from me.


I bought the C204 because I love the lines of the car and the facelift nose. I chose a 250cgi because I have been driving diesels my whole life and wanted a gasoline engine now. From my point of view this engine is easily tunable because of its turbo. In Belgium it is forbidden to tune an engine. So it isn't that noticeable that my car is tuned when it already has a turbo. I didn't buy a C350 or C63 because the price of the car, taxes and gasoline is to *******g high here in Belgium! You can get a C63 in the US for the price you get a C250 cgi here.




I bought the car in July and I have been loving it since then. First mod I did was the Burger Motorsports air filter. I did this just for the sound. I know it will suck in more hot air now.

Second mod was a C63 style grill with distronic star (from Superstyling.eu on Ebay) and replace my D1S xenon bulbs with 6000k replacements.

(Behind the C204 you can see my beater Opel Rekord E1 2.3d)
Since 12 November my car has been staying at Eisenmann research & development and to produce the a quad exhaust for the C250cgi and get it homologated. They are still working on the CAD drawings and calculating the sound. They told me that they have a difficult time getting a great sound from the engine. Probably because it's a turbo I4...

I will pick up my car in 2.5 weeks and then it will probably stay at the KW factory for research and development for the first KW DDC ECU coil over kit for the C250cgi and to get the kit homologated.

I have already been discussing with a known Saab tuner in the Netherlands to tune my car. We have agreed on a custom intercooler, oil catch can, reworked turbo, A45 AMG injectors, custom downpipe with race catalyst and a custom mapping. After that I will take a look on what brakes and wheels to get.

That brings us to today. I will keep you guys posted with the updates that Eisenmann will give me. When I receive my car I will record a clip to show you the exhaust note.








