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How to Access the Radiator Expansion Tank on Smart Fortwo

Model: Smart Smart 451 - Years 2007-2015
Part: Checks and maintenance

Learn how to access the coolant expansion tank on your Smart Fortwo. Open the plastic levers located at the sides of the front grille with your hands (as shown in the video). Once the front plastic is free, lift the panel upwards with your hands, then remove it from the vehicle body as shown in the video. After removing the aforementioned piece, perform maintenance on the expansion tank. To reassemble, secure the cover at the front of the vehicle and then at the bottom. Close the front bonnet levers by hand until they lock into the grille.

Updated on 16 March 2026 by ScegliAuto

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