beaudog

Hi everyone, I'm in Victoria, BC Canada and need a new pulsation damper for my 2012 CL550. Anyone have any recommendations for where to purchase from? Dealer cost is prohibitive here (nearly $700, just for the damper not installation) so I'm looking for some options. Most sellers online will not ship to Canada.

Any help would be greatly appreciated.

konigstiger

http://www.koperformance.com/
https://www.pelicanparts.com/Mercedes-Benz/index-SC.htm

beaudog

Thanks, but http://www.koperformance.com/ not only doesn't ship to Canada but also requires a USA address just to register as a customer. https://www.pelicanparts.com/Mercedes-Benz/index-SC.htm only offers local pick up on the pulsation damper due to the nature of the part.

konigstiger

Interesting…

http://www.koperformance.com/company...isclaimers.htm
https://www.pelicanparts.com/support...ng_options.htm

Gordon Cooke

beaudog

Thanks Gordon, I will be ordering one from FCP. Appreciate the help.

Abidrahman

Hi Guys, sorry to bring up this old thread. I have a CL w216, with the whining noise etc, im guessing it is this pulsation damper. What exactly is this for? And is there any DIY instructions anywhere?

thanks

Gordon Cooke

I'm not completely sure but I believe that as with any pump, the ABC pump causes vibrations in the fluid as it pumps it. The damper serves to smooth out these vibrations or pulses so on the ABC lines are not constantly shaking.
As far as a DIY, once you locate the pump, scroll up and the things myself and Benztech777 said will make more sense. It's really just a few step process as I recall. Don't forget to allow the ABC system to lose pressure before you unscrew the damper.

Brutu583

Hi Guys,

Im getting a whining noise fro the front left of the car when turning and accelerating. Could this be the damper? The car sits level when parked. Should i wait till it get worse to determine that it is actually it? Oil level is correct and apart from the noise, there are no performace issues.

Im just wondering if i can cause more damage if i dont replace the damper (if it is the damper).


Thanks

COUPCONNOISSEUR

im curious, do only vehicles equipped with ABC have a pulsation damper? or airmatic vehicles as well?

lkchris

Good question, as ABC disappeared from CL550 with advent of 4Matic.

In addition, the “damper” shown in the screen shot above occurs under STEERING, which to me means it’s not an ABC part but rather something associated with power steering. Illustration of that here ...

https://nemigaparts.com/cat_spares/epc/mercedes/1/fg/216386/65v/46/070

Lots of miscommunication it appears.

COUPCONNOISSEUR

right?! im confused as this could be why my CL has been riding like $h!t since its gone high in miles lolol in addition to several other things of course

lkchris

It wouldn’t be caused by a power steering pump damper of course. And the ABC discussion isn’t applicable.

A couple weeks ago I mounted my winter tires for the second year on my GL and the ride improved immensely ... compared to that with the 5-year-old summer (all season) tires just removed. Time to replace them for sure.

Cant recall reading hard ride being noted related to Airmatic ageing ... for what that’s worth.

Mark out West

ABC is a hydraulic system. Airmatic is simply a compressed-air system. Liquids are incompressible, unlike gases. The pulsation damper is a gas-filled volume with a diaphragm separating the hydraulic from the nitrogen. Pulsations generated by the hydraulic pump are absorbed by the nitrogen compressing.

M273abc

hello good friends, I have a cl550 c216 from 2007, and when I start it and it heats up in the abc pump area, I hear a cricket/noise, could it be the pulsation damper?, to change it as I release pressure?. thank you very much indeed for your help. Cheers!