RawBenz

I've noticed when i go over bumps at a slow speed (deep bumps), I can hear an air noise like Pssh Pssh coming from the driver's side wheel/suspension area.

Could it be shocks?

The other noise i've got that i can only hear from the outside if someone is driving my car is a metal on metal coming from the rear driver side wheel. Only at very slow speed 5-10kph with me walking beside the car while someone is driving.

I'm more concerned about the air noise i get.

khaloof

I believe the air noise is the shocks. My 63 does that, and some of my other cars too.

RawBenz

Could it be the driver's side shock is gone or is that just the way it is?? Car is lowered too if that helps.

Time to replace shocks?

Killswitch747

I am having the same issue over low speed bumps. Car is lowered on HR and it is only affecting the front driver side.

Mort

How many kilometers do you have on the car?

Check the strut and if it is not leaking you should be OK.

It is just the sound the fluid makes going through the valve in the shock.

Not sure what is going on with the noise in the rear. Could be the brake pads dragging a bit or the emergency brake. Are you running stock length lug bolts in the rear?

RawBenz

Killswitch - It is annoying yeah?

Mort - If i replace my shock will the noise go away?

C63Analyst

My car has less than 30,000 miles and makes the same noise, and has since the day I got it 25,000. I assumed that it was a normal side effect of the stiff suspension.

Mort

The noise may or may not go away if you replace the shock. If you do replace them do both on the same axle. I just know from taking a shock off (another car) and pumping it up and down manually that they make pssshing sound. I never hear mine (knock on wood).

sinape62

Don't replace shocks! This is normal. That sound is the metering valve porting the gas or fluid in the shock that enables the dampening thereby absorpting bumps, etc. My C63 is a month old and I park in a multi-tier parking structure which has speed bumps at every level. Its not the suspension either. If your shocks are bad; the car keeps bouncing, as opposed to a dampened affect. Please read up on shock absorbers on wiki or wherever just for you benefit.

RawBenz

Ok sweet. It seems like a lot of C63 owners have this noise when they lower their cars.

It's just annoying, how can i fix it?

C63Analyst

You can't "fix" it, it does that by design. Otherwise you could get coilovers I guess?

Zeee_Q

I've noticed the same thing in mine and it has over 50,000 miles now on original suspension. Doesn't really bother me too much.

RawBenz

I spoke with a suspension company today and they said not to get coil overs.

They said without hearing the noise that it's normal and that a lot of people with C63's get it, apparently like C63Analyst said it's the design.

He said if it's a huge issue for me that maybe changing to Bilsteins all the way around would fix it. I thought C63's already came out with Bilsteins or could i be wrong?

He said he couldn't guarantee it'd fix the problem.

I was also told it could be a very small air leak. Hmm.. what to do?

VividRacing

Completely normal when the struts have to move really fast and displace a lot of air quickly

If the struts are blown you will notice an excessively bouncy ride to test it you can just push down on the corner that you suspect is blown and if the car comes up and back down more then once the strut is gone.

If you want a set of coilovers I have crazy deals on the KW stuff, just shoot me a PM it's the best of both worlds!

RawBenz

Is it worth changing to coil overs over the oem suspension? I have H&R springs in there at the moment. I love my current ride height.

VividRacing

I wouldn't change it if you're happy with what you have now, even with the coilovers on the softest setting they ride a touch more harsh then your setup would.

However if you want adjustable height and some amazing handling the KW V3's are the way to go for a daily driver.

If you want to keep the feel you have now and still help handling we can always do an LSD in that rear diff to make the car easier to keep in control!

RawBenz

I have an LSD already.

But i'll keep the Coil Over's in mind.

2012C63AMG

Checking in for another normal sound.

VividRacing

Nice! I'll keep my eye out for messages from you!

RawBenz

2012C63AMG Please explain lol.

2012C63AMG

Clicking nosies for the engine, squeaks from cold brakes, suspension sound.. The last of which is least common asked, the 1st I feel like is asked every week here about engine lifters the car has, number 2 people complain about.

Just checking in to say its a normal sound.

RawBenz

Hahahaha I know engines and brakes make noise. Just making sure it's not a stuffed shock since the noise is only coming from drivers side.

It really annoys me.. If anyone has a solution to fix it I'd really love to hear it

maverik259

I only get this squishy sound form my rear suspension and only get rubbing from my rear driver side. even when someone is sitting on the passenger side of the car!!!! makes no dang sense and drives me nuts. I can no longer ride with passengers in the back! I thought it was my spring so i bought a new one and installed it and it didn't do a darn thing. I don't understand how it can rub on one wheel and one wheel only

Diabolis

It's a normal sound for all gas shock absorbers. Chances are you are only hearing it from the wheel that's closest to you.