SL-Class (R230) 2003 -- 2012: Discussion on the SL500, SL550, SL600

SL/R230: SL500 sitting low at rear right hand side

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Old 11-30-2008, 07:40 AM
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SL500 sitting low at rear right hand side

Hello there,

I have a problem with my 2002 SL500; it is sitting ever so slightly lower on the rear right hand side (it's very slight - I doubt the casual observer would spot it, but it's really irritating me).

I don't think it's an issue with the strut - the car sits at the same angle on all 3 settings and with sport mode on or off, and it all works fine, no leaks etc. The car just seems to think that it should sit at that angle. The car does not "settle" overnight as some owners seem to complain of.

I have a suspicion that it's the level sensor that is at fault; can these be adjusted? Has anyone had this happen before?

Thanks all
Robert

I've just found a pic of the car from the back and you can make out the angle (although the car not being straight makes it harder to see)...

Attached Thumbnails SL500 sitting low at rear right hand side-p9130577.jpg  
Old 11-30-2008, 09:02 PM
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BMW F02 (750Li) F10 (550i)
Originally Posted by Impaler
Hello there,

I have a problem with my 2002 SL500; it is sitting ever so slightly lower on the rear right hand side (it's very slight - I doubt the casual observer would spot it, but it's really irritating me).

I don't think it's an issue with the strut - the car sits at the same angle on all 3 settings and with sport mode on or off, and it all works fine, no leaks etc. The car just seems to think that it should sit at that angle. The car does not "settle" overnight as some owners seem to complain of.

I have a suspicion that it's the level sensor that is at fault; can these be adjusted? Has anyone had this happen before?

Thanks all
Robert

I've just found a pic of the car from the back and you can make out the angle (although the car not being straight makes it harder to see)...

Some how that is how the Airmatic works. shouldn't be an issue . I noticed that on all my cars . I think it depends on the surface level because it's job is to keep the car on a straight level , so if where you parked is not 100% leveled you would have one side lower than the other .
Old 12-01-2008, 01:57 PM
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03 SL500
That is normal
Old 12-01-2008, 04:10 PM
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2010 G55
car is trying stabilize the height difference between the headrests
Old 12-01-2008, 04:22 PM
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CL500 216
I tiny amount of air in a strut on the low side would do that,oil does not compress,but air can be.

Have that side bled,,its quite an easy job
Old 12-01-2008, 08:25 PM
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BMW F02 (750Li) F10 (550i)
Originally Posted by Television
I tiny amount of air in a strut on the low side would do that,oil does not compress,but air can be.

Have that side bled,,its quite an easy job
Honestly guys I'd rather listen to Television guy knows his sh iiiit
Old 12-02-2008, 10:12 PM
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'09 S600, (2) R129 300SLs, '03 SL500, '03 SL55
Originally Posted by Impaler
I have a suspicion that it's the level sensor that is at fault; can these be adjusted?
I suspect the level sensor as well. It can be adjusted. The documented procedure requires a Star Diagnosis System and a gauge for measuring suspension angles, so it is probably best to take the car to a well-equipped shop.
Old 12-03-2008, 04:09 AM
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CL500 216
Thinking again on this,on a car with normal suspension, 1 weak spring on any corner will make the hole side drop.

I have been through what i can and though there are lateral sensors, and others,,they are for when driving and called acceleration sensors, there are also travel sensors all can be set on STAR.

Its worth getting the fault codes read out if there are any of the C1525 codes present.

When the engine is off,inner leakage of the lock valve in the front axle valve block Y36/1 or 2 may cause one sided lowering of the car, any faults here should give a C1525 --- fault code
Old 12-09-2008, 02:31 PM
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Hi Malcolm - the car has been into MB for another unrelated fault (remember my discharging consumer battery and defective battery control unit ) and I can confirm that there are no error codes whatsoever.

I'll try the bleeding first - I just posted a question in another thread on here - can I do just that one wheel or is it a case of getting the entire car in the air?

Also - it's just that one wheel (back right) that seems to be at fault.

Cheers
Robert
Old 12-09-2008, 04:03 PM
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CL500 216
Originally Posted by Impaler
Hi Malcolm - the car has been into MB for another unrelated fault (remember my discharging consumer battery and defective battery control unit ) and I can confirm that there are no error codes whatsoever.

I'll try the bleeding first - I just posted a question in another thread on here - can I do just that one wheel or is it a case of getting the entire car in the air?

Also - it's just that one wheel (back right) that seems to be at fault.

Cheers
Robert
I have answered your other post,,I cant think why not that side, it a messy job as it all sprays out
Old 12-09-2008, 05:07 PM
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CL500 216
If any of you guys ever want to do a job yourself and would like a work sheet please ask.

You may not be able to complete the job without STAR, but you can save a lot of money doing all of the donkey work.

I do things this way
Old 05-13-2011, 08:43 PM
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2003 S500 4matic
Please ...work sheets for this problem.

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