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2015 C300 I4 upgrade?

Old 08-11-2018, 04:37 PM
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2015 C 300 4Matic
2015 C300 I4 upgrade?

Just sent the final payment, and I want to play. Figured I'd just start easy and start with a stage 1 tune, but I've had dreams for years about making this a sleeper. Thoughts?
Old 08-11-2018, 05:47 PM
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A gaggle of MB's
If you want to play - you might consider shopping for a C400 ... a lot more room to grow..
Old 08-11-2018, 06:52 PM
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2015 C 300 4Matic
I've thought about it, but I have this and its paid for. I plan to play around with it and build it into something fun.

Last edited by Noximus03; 08-11-2018 at 07:19 PM.
Old 08-11-2018, 07:09 PM
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C400
I believe there's a turbo upgrade in the works (review this forum for testing mule requests by the tuner, whose name escapes me). BMS now has the full jb4, and that's worth considering. I wouldn't be surprised if you can squeeze about 100hp out of this platform, but you'll need that bigger turbo, I'm suspecting.
Old 08-11-2018, 09:39 PM
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A gaggle of MB's
OK - two easy things I might suggest to start....

1. There have been good owner reviews of the Dinan "plug-in" (also known as a "piggyback") module - easy install - no mods to programming since it is pigglyback - just google Dinan website - Dinan website should confirm their model D440- 0044 .

The link below is a reputable tuner seller $277...

https://www.ebay.com/itm/Fuel-Inject...=mtr#vi-ilComp

2. Vladimir in Belarus has righteous OBD module to "add"/change Dynamic Select programming to "startup last selected mode" and/or add/change ECO Start/Stop to "startup last selected mode and/or a couple other nifty program feature selections.
I have shown the eBay link below - email him your VIN# for confirmation what he can/cannot on a OBD module for your MB - he is responsive - and delivery from Belarus about 7-8 days.

https://www.ebay.com/itm/MERCEDES-Dy...oAAOSwmuVajWBl
Old 08-13-2018, 11:08 AM
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C63S, Gallardo
Originally Posted by fabbrisd1
If you want to play - you might consider shopping for a C400 ... a lot more room to grow..
This^^^^

I'd recommend a C400 or C450 at a minimum, or even a c63 if you want something quick. I've done most of the bolt on's on my c300 and while a fun car, its not fast, but it looks good! I'm going back to a c63. Looking for a clean 16 or 17 c63s now. Totally different animal.

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