W208 electric seat issue

[CLK430NEWB]

Back again.

Passenger electric seat won't go forwards or backwards.
I can hear a solenoid or relay click under the seat but no movement.

All advice appreciated before I start ripping into it!

 

[BIG UN]

Have you checked the wiring under the seat?? Stick your head underneath to look for damage! I've just had a similar issue on my missus's car with the airbag light. Turned out to be a broken cable caused by things being stuffed under the seat!!

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