Those of you who have test driven or own a C400 please chime in
The specs:
2011 C300 3.0 liter naturally aspirated V6
228 hp
221 ft-lbs.
2015 C300 2.0 liter turbo
241 hp
273 ft-lbs.
In this case the 4 banger wins performance wise and you are very right...
But in the case of the 2015 C300 vs the C400 it certainly is a different story..
The specs:
2015 C400 3.0 liter bi-turbo V6
329 hp
354 lb-ft
2015 C300 2.0 liter turbo
241 hp
273 ft-lbs.
I'm no mechanical engineer or anything but I am pretty sure even if you moded these cars there is no way you would be able to make the C300 power output match the C400 power output if they were both maxed out to their potential ..

The point I was trying to make with the honda comment was that the engines in their cars are not far enough off in performance from the 4 cylinders that are offered in BMW's, Audi's or Benz's in their lower price point production models like the CLA class and C class. Cars like the CLA45 AMG are a different story.
I have had an audi A4 at the same time as a Honda accord and both were the same model year. While the Audi is obviously much nicer it isn't so much so to justify the price difference if performance is what you're after. At least not to me anyway.

I totally agree with you, I have C400 and a 2014 Honda Accord V6 at the same time.
Before i got my C400 i really thought my accord uses too much gas....but now I like using it for those long economic runs.
I've had my C400 for a few weeks now. I was originally going to lease a C300, but literally last minute I decided on the C400 and I am so happy with my decision. Velvety smooth motor...Twin turbo charged... It accelerates like a dream.
Trust me...Go with the C400!!
You won't regret it.
-JT
"Ear to ear, baby!!"
This is my input on a parallel of the C300 vs C400. I am retired and am looking for what might be my last car. Don't want to take a step backwards. Besides all this, my wife strongly stated our next car HAS to have memory seat control on the passenger side. Looks like this feature is only on the C400. Just my own viewpoint--Why isn't the passenger side seat equipt with memory? Should be standard on $50-60,000 car. The convoluted current control setup is ridiculous. If nothing else memory seat s/b an option on C300.
Also plan to get Airmatic & Interior pkg. So again for $3,000 more the C400 is a clear winner for me. We all must make the choice that is best for us.
PS My wife drives a 2013 GLK350 & plans to keep it & its 300hp.

Seems it's standard fitment with Thermotronic here. My salesman says he has only ever seen one car without.
I was not able to find a C400 AirMatic with 19" wheels. Also 90% of them had the MB text.. very few had leather.
Newport Beach MB has 30 C400's.. only 1 had AirMatic and couple with Leather.
I was not able to find a C400 AirMatic with 19" wheels. Also 90% of them had the MB text.. very few had leather.
Newport Beach MB has 30 C400's.. only 1 had AirMatic and couple with Leather.
In fact, a salesperson at the so called "Nation's number 1 Mercedes dealer" told me airmatic is not an available option in C class. I had a good laugh and walked out of there.
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C400 with interior lighting package, dystronic, and a bunch of other stuff I haven't figured out yet.
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