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Current: 2014 C250 Luxury 56,000mi.,2014 C250 Sport 35,000mi.
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37 Posts
Discussion Starter #1
Looking forward to receiving a Dinan D400-0013 sport piggy back tune for my 2014 C250 from FCP European. I will give my two cents worth opinion after some time with it.
 

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Current: 2014 C250 Luxury 56,000mi.,2014 C250 Sport 35,000mi.
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37 Posts
Discussion Starter #3
I have driven a little over 300 miles with the Dinan installed and so far there is definite performance improvements. When in Eco transmission mode at low speeds with the engine lugging around in 6 or 7th gear at 25-35 mph using just a small push on the gas to maintain going up slight inclines the engine pickup is better than before. Pushing the gas to get moving quicker with the transmission still in a high gear once the rpms get into the 2000-2500 range the response is better. Running in S mode the improvement is much better because the engine is in the higher rev range in each gear where the torque improvements really show up.I have not tried any full stop petal to the metal yet but driving on the highway and not pushing it hard I recorded 33.4 mpg at 65-75mph. I normally get 30.7 mpg so the mpg is better. I have hit the gas on the highway and he takes off really good now better than before (and our 250's are fast on the highway without any extra tune) I had a 1999 E430 and on the highway and I had my way whenever I needed to get around in traffic my 250 feels just as fast now. I'm very pleased with my purchase of the D440-0013 Dinan from FCP European especially with their LIFE TIME warranty. PS there has been no check engine lite or any funny noises, anything just more efficient operation with more power.
 

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Current: 2014 C250 Luxury 56,000mi.,2014 C250 Sport 35,000mi.
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37 Posts
Discussion Starter #5
I forgot to mention that the Dinan is factory set at sport+ which is the setting I have left it in. You can change it using your cell phone or tablet with their free app (DinanS). Also the power increase is rated with 91 gas . I have 93 here in S.C. so that might make a slight difference in the power increase.
 

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2012 C250 Coupe
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7 Posts
I forgot to mention that the Dinan is factory set at sport+ which is the setting I have left it in. You can change it using your cell phone or tablet with their free app (DinanS). Also the power increase is rated with 91 gas . I have 93 here in S.C. so that might make a slight difference in the power increase.
We have 93 here too but I run with 91. Sounds like regardless whether it's 91 or 93 gas it still produces tangible performance improvement. Looking at pulling the trigger in the spring on the tune. Thanks again for your experience with it.
 
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