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Replacing the Alternator on a Smart Fortwo

Model: Smart Smart 451 - Years 2007-2015
Part: Alternator

Is the alternator on your Smart Fortwo damaged? Here’s how to remove it. Disconnect the battery terminals located in the cabin. Open the engine compartment (lift the rear bonnet) and secure it. Raise the car on a column lift. Remove the covers underneath the engine by unscrewing the securing screws. Remove the alternator belt and unscrew the bolts on the side of the alternator. Extract the damaged alternator from the engine compartment. Install the new alternator in the engine compartment and connect the belt. Refit the engine protection panel. Reconnect the battery terminals and start the Smart to test its operation.

Updated on 18 March 2026 by ScegliAuto

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