Those of you who have test driven or own a C400 please chime in
M
When I got a chance to drive an Airmatic car, I didn't like it. It made the car feel heavier and it felt softer in every setting, even Sport+. Given what I was looking for, that was bad news, but there was something else that disturbed me much more. Over bumps and in other quick handling maneuvers, I got the distinct feeling that the rear end of the car was wallowing a bit, moving slightly side to side. I don't think it would have been perceptible to a passenger, but to me the side to side motion was really disconcerting. If you're looking for a sporting ride, I'd say the Airmatic is really not the way to go. If you're looking to tone down the stiffer-than-your-average-car suspension in the C400 and get a softer, smoother ride, and you're not planning to drive it like a sport sedan, I'd say the Airmatic option would be a good move.
I have every single option you can get but the 19 inch wheels. I live in the city and wouldnt make sense, id kill those rims
The Best of Mercedes & AMG
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Last edited by vols1; Nov 6, 2014 at 08:31 AM.

https://www.flickr.com/photos/light3000/8325672474/
However, after driving the C400 the power is just too tempting to resist.
My question is... do you guys have any complaints about the following in the C400
-Transmission lurching at low speeds or during braking
-Ride quality being too firm for comfort on not so smooth roads in the city (without airmatic).
Those are my two main concerns.
Yes, I know I can test drive the car again to decide what's right for me but I wanted your valuable inputs as well.
I live about a 90 miles from the dealership that I bought my C400 from. I have about 600 miles on the car most of which are highway miles due to having to drive back and forth to the dealership to get the recalls taken care of. The dealership is about 80 miles from my house. The first time when I went in to get the interlock steering mechanism checked out the tires that were also on recall were on back order. So between excepting delivery and the other 2 trips I'm sitting at just over 600 miles. I work from home and live less than a mile from the center of town so my local millage has been minimal. I accepted delivery about a month an a half ago and haven't noticed any of these issues during my travels. I have been somewhat reserve during these trips back and fourth due to the engine break in period but not to the point where I wouldn't have gotten a decent feel for the transmission yet. It is pretty damn smooth if you ask me. From my opinion I think all the trash talking I have heard about this car is pretty
much a bunch of bs..

My last car was a 2011 C300 and these engines are like night and day. Personally I couldn't justify spending that kind of money on the 2015 C300 and getting a 4 cylinder engine. There really is not a comparison between the new biturbo 6 and the 2 liter 4 they are offering. The new biturbo 6 is what they are running in the sl400 so for a little extra I would rather the power than ending up with a 4 cylinder engine. I can go to honda and get a car if I want a 4 cylinder and it certainly wouldn't cost 40k, lol..
much a bunch of bs..

My last car was a 2011 C300 and these engines are like night and day. Personally I couldn't justify spending that kind of money on the 2015 C300 and getting a 4 cylinder engine. There really is not a comparison between the new biturbo 6 and the 2 liter 4 they are offering. The new biturbo 6 is what they are running in the sl400 so for a little extra I would rather the power than ending up with a 4 cylinder engine. I can go to honda and get a car if I want a 4 cylinder and it certainly wouldn't cost 40k, lol..

Turbos and engine designs have moved on a lot from the days that number of cylinders and engine size were the only way to decide on a car's engine performance. This is why Mercedes and BMW model numbers no-longer (necessarily) correspond with engine size.
Turbos and engine designs have moved on a lot from the days that number of cylinders and engine size were the only way to decide on a car's engine performance. This is why Mercedes and BMW model numbers no-longer (necessarily) correspond with engine size.
This is very true. My 2011 C300 was a really good example of it.
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.






