technical or electronics

Hoping for some help identifying the problem: enthusiastic driver but zero ability when it comes to maintenance! Mechanic suggesting change of spark plugs and leads. Experiencing vibration beneath driver's seat when idling at roundabout, traffic lights etc. Something is affecting the...

:wallbash: Having problems trying to find out how to replace a seat motor on the electric passenger side seat. I have an 03 c220 cdi estate. Every time the backrest button is pressed it blows the fuse in the boot. I don't really know the cause of the problem for this shorting out but am guessing...