Steering feels "floaty"
#1
Senior Member
Thread Starter
Steering feels "floaty"
So, I'm quite new to the C63 and I have a 2012 C63. I came from a C250. The steering on this car when at higher speeds (around 60-70 mph) feels a little "floaty". I know the car has speed sensitive steering but I would imagine it would tighten things up - right now the car feels a little loose at high speeds. Its still quite sharp, just seems to move a little but too much when under acceleration and doing things like changing lanes..
Any thoughts?
Any thoughts?
#2
MBWorld Fanatic!
How are your tires?
#5
Senior Member
Thread Starter
Nothing in the truck, tires are reading according to TPMS that they are at 39 front and 42 rear.... It almost feels like when you unload the throttle in the middle of a turn, except I'm not doing that. Agreed on the car being too new - it has only 40k on it was just had its B2 service done.
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#8
MBWorld Fanatic!
SO4s are pretty stuff tires too. Strange. When was your last alignment?
#9
Senior Member
Thread Starter
Just had it and balance checked... Maybe I'm just crazy?? So based on what everyone is saying there is a good chance it's not a suspension issue?
#10
MBWorld Fanatic!
Im not the guy whos gonna ***** about your spacers (someone will, but I have them too) but what size do you have in the back that you can possibly get in there with 275s also?
#11
Senior Member
Thread Starter
So TBH, I bought the car with them on. Based on what in seeing, there is no spacer in the rear and potentially a 10mm spacer in the front. I'm not sure what the C63s came with as far as rear tire (thought it was 255) so I assumed that there was a spacer in the rear as well, however looking at it closer now it doesn't look like it.
This is the font
This is the rear
This is how the car sits (ignore that it's dirty please!)
This is the font
This is the rear
This is how the car sits (ignore that it's dirty please!)
#12
MBWorld Fanatic!
Gotcha. The 235 is oem fitment, so a lot guys run up to about a 12mm up there.
In the back 255 is OEM and in that case you can run a 10mm or so but I was pretty sure you wouldnt be able to have both, not with stock wheels anyways.
In the back 255 is OEM and in that case you can run a 10mm or so but I was pretty sure you wouldnt be able to have both, not with stock wheels anyways.
#14
MBWorld Fanatic!
275. But not with spacers. And it takes the right 275. 265 is any brand.
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Tlnt60 (07-25-2016)
#16
Super Member
So, I'm quite new to the C63 and I have a 2012 C63. I came from a C250. The steering on this car when at higher speeds (around 60-70 mph) feels a little "floaty". I know the car has speed sensitive steering but I would imagine it would tighten things up - right now the car feels a little loose at high speeds. Its still quite sharp, just seems to move a little but too much when under acceleration and doing things like changing lanes..
Any thoughts?
Any thoughts?
However, I must add that I was able to reduce the feeling a bit by deflating the tires just a little bit below the recommended pressure.
#17
MBWorld Fanatic!
Stupid question perhaps, but Occam's Razor...... any chance tires are installed backwards? They're a directional tire. It can happen. My first thought was over inflation. Tire wise this is my next ....
#18
Senior Member
Thread Starter
Yup, checked direction - all are good. Yea maybe I'll drop the PSI a bit and see how it goes. Thanks Gents! So to change the subject one more time for fun, I keep reading that these cars eat tires almost as fast as gas. I read somewhere that if you increase toe in the rear +1 it drastically reduces tire wear... Any truth to this?
#22
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assuming your tire pressures are correct...your rear isn't sitting lower than your front...
the front spacers shouldn't cause your far to be floaty...but it should feel darty when you turn. also your front end may follow cracks on the road much easier. maybe that is what you mean by floaty? your front end being floaty would feel like if you had 800 lbs in the back seat and your car was sitting 2-3 inches lower in front. floaty meaning when you turn your front with go but your rear will slowly follow and dangerously follow with lots of sway.
i'd remove the front spacers, match all tire pressures then drive your car around town. generally cars that have a wider stance in the rear or have staggered fitment were designed that way to aid with on and off throttle oversteer.
the front spacers shouldn't cause your far to be floaty...but it should feel darty when you turn. also your front end may follow cracks on the road much easier. maybe that is what you mean by floaty? your front end being floaty would feel like if you had 800 lbs in the back seat and your car was sitting 2-3 inches lower in front. floaty meaning when you turn your front with go but your rear will slowly follow and dangerously follow with lots of sway.
i'd remove the front spacers, match all tire pressures then drive your car around town. generally cars that have a wider stance in the rear or have staggered fitment were designed that way to aid with on and off throttle oversteer.
#24
MBWorld Fanatic!
I'm betting on the alignment being off or the 275s being squishy and messing with the feel of the car. Rear tires have way more affect on steering and overall feel than people sometimes think. Ever run a snow tire on the back and summers on the front? No bueno. Try an alignment first and then maybe 265/35-18 SO4s out back if the alignment doesn't help. I ran SO4s in 235/40 and 265/35 F/R and loved them.
#25
Super Member
I'm betting on the alignment being off or the 275s being squishy and messing with the feel of the car. Rear tires have way more affect on steering and overall feel than people sometimes think. Ever run a snow tire on the back and summers on the front? No bueno. Try an alignment first and then maybe 265/35-18 SO4s out back if the alignment doesn't help. I ran SO4s in 235/40 and 265/35 F/R and loved them.