Try giving the roof a quick tap either side by the front edge from inside the car with your hand if it happens again if it opens its a fair chance that is the cause.
Slk roof stuck open.
It might be one or both of the cables which open the roof front cams being a bit slack.
Locate the convertible top motor in the trunk.
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Mercedes slk roof not closing.
On arrival i found the rear parcel shelf to be broken causing the roof to jam.
In most mercedes benz cars including sl slk clk class it is located in the trunk left or right side.
This video demonstrates how to manually close the vario roof on mercedes benz slk the vario roof of the r 171 cannot be closed automatically.
Model 171 more.
Come join the discussion about your r170 r171 r172 slk or amg performance modifications troubleshooting maintenance and more.
Mercedes benz 230 slk roof hydraulics v1 on vimeo join.
Customer called me with roof stuck open other specialist she called quoted 800 pounds without looking at the car telling her it would require a new pump and they would need the car for a week.
Use a clean syringe to add fluid to the reservoir.
I am not that familiar with the slk but my sl requires a synchronization procedure before the top will go down.
Remove the 12mm bolt from the reservoir.
Check your owners manual and then give the dealer a call.
You will need to remove the trunk lining to see the reservoir.