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How to reset the Service light on the Smart 451?

Model: Smart Smart 451 - Years: 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
Part: Service warning light

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Video tutorial

To reset the Service light on the Smart 451, press and hold the button located on the left side of the instrument cluster. While holding it, insert the ignition key into the ignition lock on the centre console and turn it. This will turn on the instrument cluster, allowing you to continue holding the button: after a few seconds, you will see that the maintenance light will turn off completely.

At the end of the procedure, you can turn off the instrument cluster again.


Updated on 12 August 2026 by ScegliAuto


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How to open the boot if it is stuck on a Mercedes B-Class?

On the Mercedes B-Class, the boot may become stuck, possibly due to a problem with the control button or the lock actuator. In this case, perform the emergency opening by following the simple procedure shown in this tutorial. First, unlock the locks with the remote control, then open the rear doors and, by operating the indicated lever, lower the backrest of the seat. Next, go inside the boot, locate the indicated gap, and manually unlock the lock using a small screwdriver.

Watch the video!


by ScegliAuto

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