X Remove the spring cotter.
■ Remove the bolt from the ball coupling recess.
■ Remove the ball coupling from the ball coupling recess.
■ Clean the ball coupling if it is dirty.
Information on cleaning and care of the trailer tow hitch can be found at .
Overview
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Problems with the SmartKey
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Distronic plus
Important safety notes
WARNING
DISTRONIC PLUS does not react to:
• people or animals
• stationary obstacles on the road, e.g.
stopped or parked vehicles
• oncoming and crossing traffic
As a r ...