Question about 1997 Mercedes-Benz Mercedes Benz Sl Class

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Roof will not go down on my 94 SL500, also windows will only work once every time the car is used, down or up. Any ideas?

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Roof on my sl 500 will not open electrially,

Posted on Jul 13, 2009


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Mk1 Roof goes down but not up

I would try a new relay anyway sometimes they will route the circuit through different points of the relay. I also would check the up/down switch itself to make sure it is working on both sides I had the same problem on a window switch for a car I was working on. Just because one side of the switch works doesn't mean the other side does. If the relay and switch are both good then I would switch the wires on the up/down switch to see if it functions then you are basically checking the continuity of the switch again but this time you will be able to tell if the switch is able to handle the amperage also required to operate the motor. You can read 12 volts

Mar 27, 2014 | 2003 Audi TT

1 Answer

97 Boxster: Both windows go down a quarter on roof retraction which is normal but then keep going into totally open position then won't go back up. If roof is closed and opened a few times sometimes...

I doubt the roof switch has any influence over this other than telling the brain the roof is being opened. The brain will then tell the windows go down and presumably will tell them to stop after a predetermined time - unless there is a facility built into each window mechanism. Unlikely as both windows are affected.

The fact a fault exists that cause the windows to go right down might simply confuse the system enough to go on strike or what is effectively two problems might really be just one.

In order to discover why things are going wrong a thorough understanding of how the system works is needed but even that knowledge will be of limited use without the laptop and dedicated software and the necessary experience to decipher the results and to adjust, repair or reset the system.

Your car is more computer on wheels than simple car. When a computer does strange things it is because it is receiving the wrong information, because it is unable to execute it's commands, because the software is corrupted or electronic problems within itself.

Oct 01, 2017 | 1997 Porsche Boxster

1 Answer

Holden tigra roof wont open, Windows go down, Boot retracts, Back Dashboard goes up then it just stops an the roof wont open, Does anyone have any idea why this could be happening

You need to pump the hydraulics manually, to do this first sit on boot and press boot button for a few seconds without allowing the boot to open. Partially allow boot to open, manually push boot all the way open and closed a dozen or so times to manually pump hydraulics. I had same prob, this sounds extreme but does work and wont cost you a penny.

May 09, 2013 | Cars & Trucks

2 Answers

My CRX roof wont go up and down with the switch on the dash, yet the boot lid goes up with the key, cheecked fuses ok, cheecked plug and control box fault LED flashed seven times and then later on flashed...

7 blinks (roof lock switch,not operated by user)
9 blinks (rear window switch not operated by user)
These codes mean user has not undone roof locks or rear window is not fully closed
Providing that is not your problem,reset roof control unit
Turn ignition off
In under bonnet fuse box remove fuse 32 7.5 amp for 20 seconds
Refit fuse and check roof operation
This clears codes and resets roof

Apr 11, 2010 | Honda del Sol Cars & Trucks

2 Answers

My roof will not go down. The windows do when I unleash the hook. 1996 model. Never had a problem.Same as guy before, no sound, click, nothing. Have checked all my fuses, if blown & made sure in right...

I've got exactly the same problem. As suggested before checked the fuses, checked the brake light comes on don't know what could be the problem. Spoke to an independent porsche mechanic who says its probably a cable jam in the roof. £120 to unjam. I've got my doubts as there is no noise or anything its just dead!! Any joy with your roof any help would be most appreciated.

Mar 18, 2010 | 1998 Porsche Boxster

1 Answer

I have a 1990 SL500 32V does not run properly we

Find a EURO shop to diagnose and recommend repairs. Special tools and knowledge are required to work on this car. Back Yard Bob cannot work on this car.

Feb 06, 2010 | Mercedes-Benz SL-Class Cars & Trucks

1 Answer

Recently started having problems with convertible top getting stuck in both the opened and closed positions. 1995 Mercedes-Benz SL500. Any idea what the problem might be? And, is there any way to bypass...

hopefully will be a easy fix this one, first check the micro-switches for the roof assembly (in the boot) and check any ground wire connections

you could try resetting the system also as this may help

if its still the same after this post back and ill try and help again.

Sep 08, 2009 | Mercedes-Benz SL-Class Cars & Trucks

2 Answers

Audi A4 Cabriolet roof stopping half way open

refer to the owners manual, for instructions to put down roof by hand, they are not easy to follow, however, the manual key they refer to is in the fuse panel, the 1st lock to undo is in the middle section of the back seat, next the lock for the front section push down roof and lock in place. the warning light at this point will still be flashing, and the display saying roof unsecure. the bit everyone seems to forget is to go back to the middle back seat lock and relock, once that is done, display clears, and both roof and boot should work. i have no idea why this fault occured just hoping its doesn't too often. suggest also you always have engine on when operating roof. hope you find this usefull.

Jul 29, 2009 | 2003 Audi A4 Cabriolet

1 Answer

Windows controls on driver's side don't always work, leaving windows usually down. Cannot raise passenger side using passenger control either. Buzzing sound heard from driver's control when trying to...

Volvos engineers had the brilliant idea for placing theese switches in the door, without thinking of the poor construction of the roof.
You probably have had them filled with water several times, but the switches wont have this water....
I would have bought some wind-visors available on several car-equipment shops, and a new set of switches for the windows.
The buzzing you hear is most likely electric buzzing on the contacts of the switches.

Jun 30, 2009 | 1999 Volvo V70

1 Answer


Your going to need to check all the wire connectors where each section links up to it is quite posssible that there is a loose connection somewhere. or check your fuses. Because they all interlink with each other.

Jun 19, 2009 | 1994 Honda Accord

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