SL55 (R230) seat problems
 

I have an SL55 and the various pneumatic functions (lumbar support, massage etc.) have stopped working on both front seats. The solenoids sound like they are functioning (can be heard with engine off). I suspect it maybe an air supply problem.

Does anyone have any tips?
Not sure if there is an air pump or whether it gets the supply from the compressor via a reservoir.

Any feedback appreciated.

Regards BigH

Does the passengers' seat work? Take a look under the drivers' seat and see if the pneumatic line is kinked/restricted. It's not uncommon to find an object (water bottle, garage door opener, i-Pod, etc......)stuck underneath the seat, causing the problem.