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The reason why the convertible roof of a Mercedes SLK may not function properly

Model: Mercedes Slk MK 2, R171 - Years: 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
Part: Checks and maintenance

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Video tutorial

This video explains the main reason why the convertible roof of a Mercedes SLK may not function correctly. It is crucial to check the oil level of the hydraulic pump.

In the case shown in the video, there is insufficient oil for the pump to operate properly, and a top-up is required. Removing the motor unit is quite simple, allowing access to the filling screw.

This operation should be done with a syringe specifically designed for this type of pump. To check if the level has been reached, reposition the hydraulic motor in its place.

Remember to close the bleed screw! Test the roof's operation with a complete open/close cycle; this indicates that the oil level is correct. The video specifies the correct torque for all screws in Nm.


Updated on 21 August 2026 by ScegliAuto


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    • Slk 2004-2011 - Why does the roof of the Mercedes SLK not close? Read answer

How to open the bonnet on a Volkswagen Golf?

In this tutorial, you will see how to open the bonnet on a Volkswagen Golf MK4. This is a very simple operation that follows the standard procedure. First, open the driver's door, then locate the lever in the lower left area and pull it. Next, move to the front of the vehicle, lift the bonnet slightly, and find the second lever located just above the Volkswagen logo. At this point, simply pull it towards you, fully open the bonnet, and secure it with the prop rod. To close it, gently push it down.

Watch the video!


by ScegliAuto

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