Electric trailer hitch operation indicators

Electric trailer hitch

These are Electric Trailer Hitch Operation indicator symbols. From the Smart division of Mercedes-Benz, this hitch system can be released or retracted from inside the vehicle. The system also performs a lighting connection check automatically and can attest to whether or not a trailer is connected.

• Before continuing, is one of these truly your symbol?? If yes, read on below.
• Otherwise, you can return to our main Manufacturer Symbols pages and scan again!

Seen in blue, it indicates the trailer hitch is connected and the coupling device is locked. Seen in green, it oddly indicates that the trailer hitch is not connected but the coupling device is locked. In yellow/amber/orange, it indicates that the electric trailer hitch is unlocked. It is unclear if the hitch is connected or not.

Note that the symbol to the right, which is generally associated with a lighting fault, is used by Smart to indicate a Towing Module Fault. The Towing module is associated with Trailer Stability Assist but may also indicate a trailer lighting issue. Do check the connections. You can see more on this at this link.

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