Do it yourself
Frequently asked questions about cars and motorcycles

Replacement of the SAM unit in the Smart Fortwo

Model: Smart Smart 451 - Years: 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
Part: Control unit

See other generations:
Video tutorial

In this guide we will see the main steps that will allow us to disassemble and replace the SAM unit of the Smart Fortwo. First of all, we open the front door on the passenger side and start removing the floor mat; we find the car battery underneath, which we will disconnect and remove, as shown in the video.

At this point, we proceed to remove the SAM unit with the internal fuse box, disconnecting the various electrical wiring; we then repair the board or, if necessary, replace it, applying the reverse procedure for reassembly!


Posted on 12 April 2025 by ScegliAuto


Related tutorials

Smart (1998-2007 / 450) In this video, see how to replace the Sam unit in the first series of the Smart. When this fault occurs, the car shuts down and the display shows as …
Smart (1998-2007 / 450) The failure to turn on the headlights, malfunctioning central locking, instrument cluster shutdown, and engine not starting are all known faults of t…
Smart (2007-2015 / 451) The cigarette lighter fuse on your Smart ForTwo is located inside the fuse box. The fuse box is situated under the left side of the steering column. …

How to Reset the AdBlue Warning Light on a Peugeot Boxer

To reset the AdBlue system on a 2018 Peugeot Boxer, follow these steps: Start the engine and ensure the vehicle is parked in a well-ventilated area. Locate the "MENU" button on the dashboard or steering wheel controls. Press and hold the "MENU" button until the menu options appear on the display. Use the arrow buttons or scroll wheel to access the "Vehicle Settings" or "Settings" menu. Select the "AdBlue" or "AdBlue System" option. Look for the "Recharge" or "Reset" option in the AdBlue menu. Once you find the reset option, select it and confirm your choice when prompted. The system will be reset, and a confirmation message may appear on the display. Turn off the engine and wait a few seconds. Restart the engine and check that the AdBlue system has been reset.

Watch the video!


by ScegliAuto

More videos