Yes, i have the same system. either something has came loose or that
hydraulic piston which i assume is responsible for pushing the seat up is
exerting too much force.

Thanks


"John Chapman" > wrote in message
...
> My 1999 146 comes complete with a height adjustment for the driver's seat.
> There is a lever a bit like a handbrake between the seat and the door and
> you pull on this to get the driver's seat where you want it.
> If you have this then perhaps the mechanism which I assume to be hydraulic
> has failed.
> Hope this helps a bit
> John Chapman
>
>