I want to to rodeo test a cl500 w215 on my drive.
My issue with Mercedes Benz cl500 w215:
Im getting a humming noise in the cabin that speeds up with the revs, also when i raise the car with the dashboard switch the noise goes away for a few seconds then comes back so am going to replace the pulsation damper as this seems to be a component that might cause this droning noise, you don't hear it outside the car only on the inside, I have read quite a few posts on this site that suggest the pulsation damper is the most likely problem, i have purchased a new pulsation damper from Mercedes the guy there also gave me the works procedure to carry out the job but i don't know how to do a rodeo test or how to bleed the hydraulic system.
Advice:
You need to put the car on a Star Diagnostic tester I.E best quality star C3 and MB SD c4 and use the diagnostics to test the ABC suspension and initiate a rodeo suspension test.
This also helps to bleed the suspension with Pentonsin fluid which you will also need to buy to top up your ABC suspension after you have fitted your
new damper. Just running the engine will bleed the fluid through but this can take a little time as the system is generally self bleeding with the ABC suspension
pump being driven by the engine and by operating the ABC button inside the car this will pump fluid round the system.
Ideally a rodeo test would greatly assist this after performing any suspension work and make it super smooth as it should be!
Hope this helps