Mercedes convertible roof problem

Wardy

Hi all, hope someone out there can help me....

I have a 1990 Mercedes 320 SL with a soft top roof problem - it isn't working :mad:

The roof button light stays constantly on but the roof won't open electrically. The roof alarm bleeps all the time as well.

I've put a new roof switch in the dash but this hasn't made any difference.

Any ideas???:beer:

s_b

look in benzworld.org
they seem to pretty much cover most possibilities

Mr_Toad

Wardy wrote: »

Hi all, hope someone out there can help me....

I have a 1990 Mercedes 320 SL with a soft top roof problem - it isn't working :mad:

The roof button light stays constantly on but the roof won't open electrically. The roof alarm bleeps all the time as well.

I've put a new roof switch in the dash but this hasn't made any difference.

Any ideas???:beer:

The roof isn't electric as such, it's operatedd by a hydraulic pump. You might be lucky and have a leak in one of the pipes, a cheap fix followed by a fluid top up.

A new pump from Merc is expensive, a better option would be a salvage part. Have a look on ebay.

Wardy

s_b wrote: »

look in benzworld.org
they seem to pretty much cover most possibilities

Thanks for the that, but they charge £21 for their advice, and it's only them giving their opinion - it's not necessarily the solution, so was hoping to try and not have to pay it.

Wardy

masonn wrote: »

The roof isn't electric as such, it's operatedd by a hydraulic pump. You might be lucky and have a leak in one of the pipes, a cheap fix followed by a fluid top up.

A new pump from Merc is expensive, a better option would be a salvage part. Have a look on ebay.

No leaks on the pump unfortunately and fluid level was ok....:( thanks for the help tho.

Mr_Toad

Wardy wrote: »

No leaks on the pump unfortunately and fluid level was ok....:( thanks for the help tho.

Right.

Next thing to find out is if the pump isn't working because of a fault in the wiring. I take it you've checked the fuse?

If you have a meter put it across the pump and operate the switch and see if your getting power. If not then.......

s_b

Wardy wrote: »

Thanks for the that, but they charge £21 for their advice, and it's only them giving their opinion - it's not necessarily the solution, so was hoping to try and not have to pay it.

i dont see where you pay i just did a google for you

http://www.benzworld.org/forums/r129-sl-class/1370783-problem-roof-1996-a.html

http://www.benzworld.org/forums/r129-sl-class/1324795-r129-roadster-soft-top-electrical-controller.html

is there no help there of have i got the wrong model?

Wardy

masonn wrote: »

Right.

Next thing to find out is if the pump isn't working because of a fault in the wiring. I take it you've checked the fuse?

If you have a meter put it across the pump and operate the switch and see if your getting power. If not then.......

Had a play with it today have power and the fuse is ok must be the pump think i will take it off and get it tested thanks for the help .............

Wardy

s_b wrote: »

i dont see where you pay i just did a google for you

http://www.benzworld.org/forums/r129-sl-class/1370783-problem-roof-1996-a.html

http://www.benzworld.org/forums/r129-sl-class/1324795-r129-roadster-soft-top-electrical-controller.html

is there no help there of have i got the wrong model?

You had the right model i had the wrong page drr . Thanks for the help .