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X218 air suspension - intermittent problem?

CMJohn

Member
Joined
Dec 15, 2023
Messages
39
Location
West Midlands
Car
CLS
Hi, my CLS s/b seems to be developing an intermittent problem with the rear suspension (it only has rear air suspension)

It never drops fast, but sometimes overnight I'll find the rear has dropped either a bit, or completely down. Sometimes it looks fine like it hasn't dropped at all. It's parked on a sloping driveway. I use the car regularly so it's never really left more than 12 hours without being driven.

The workshop has has a look over it, sprayed everywhere with soapy water, and can't see any leaks, so are suggesting that it may just have to get worse before they can diagnose it, but it does seem to be happening more frequently now.

Does the problem being intermittent suggest anything? If it was a leak, I'd have thought it would be more consistent, right?

Thanks for any insight!
 
Ours does the same. Sometimes overnight and others will stay up for days when not used. It always pops back up. I wouldn't worry.
 

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