Mercedes cls 2017 air suspension

runju265

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Hello,

I hope all is well.

can someone please explain to me what the difference is between active air suspension vs semi active air suspension?

cheers
Miz
 

alexanderfoti

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Semi active is usually on estates, and provide self levelling on the rear. The fronts are standard springs/dampers.

Full active is air suspension on all four corners.
 
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runju265

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Semi active is usually on estates, and provide self levelling on the rear. The fronts are standard springs/dampers.

Full active is air suspension on all four corners.

I see, are they also known to be troublesome?
 

alexanderfoti

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I see, are they also known to be troublesome?

Both versions leak when they age, some get issues with lines leaking, sometimes the pumps fail but not unreliable systems.
 
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runju265

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Both versions leak when they age, some get issues with lines leaking, sometimes the pumps fail but not unreliable systems.

looking at a 17 plate cls350, I’m hoping that’s not too old to experience issues with the air suspensions if I go ahead and purchase
 

alexanderfoti

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I think it's unlikely but no garuntees :)
 


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