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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

In this video tutorial, you can see how to reset the service light on the Smart 451 through a step-by-step procedure for proper vehicle management. When the service light with the spanner icon illuminates, it indicates that maintenance is required.

Therefore, visit an authorised workshop to carry out maintenance on your vehicle. If you still need to turn off the service light, close all doors and press the brake pedal, insert the key and turn it to position 1, then within 4 seconds, press the button twice as shown in the video.

Now turn the key to position "0", press and hold the button, and turn the key to position 1. After about 10 seconds, the maintenance light will stop flashing and the countdown for the next mileage will restart.


Updated on 17 June 2026 by ScegliAuto


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How to Reset the Service Light on a Smart 451
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    Frequently Asked Questions

    • Smart 2007-2015 - What does the Smart Service light indicate? Read answer

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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