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Frequently asked questions about cars and motorcycles

How to Replace the Front Headlamp Bulb on a Smart 451

Model: Smart Smart 451 - Years 2007-2015
Part: Light bulb

To replace the front headlamp bulb on a Smart 451, open the bonnet to access the rear of the headlamp. Remove the circular cover that protects the connector and the bulb; then extract the bulb from its housing to disconnect it from the connector. Connect the new bulb to its connector and insert it back into its housing. After replacement, seal the inside of the headlamp and close the bonnet.

Updated on 28 May 2026 by ScegliAuto

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