Smart Fortwo passenger door issue, intermittent transmission problems, convertible top malfunction, and unprogrammed key needing dealership attention on Smart Fortwo

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Smart Fortwo owners report experiencing issues with the passenger door, although specific details about these problems are not well-documented. Additionally, some owners encounter intermittent transmission problems, such as abnormal gear shifting when starting the vehicle, which may indicate a faulty clutch. Those with the cabriolet version of the Smart Fortwo may also face potential convertible top malfunctions, including roof leaks, and it is advisable to check for signs of leakage during inspections or test drives. Furthermore, some owners have reported needing dealership assistance for unprogrammed keys, although detailed information on this issue is limited. It is recommended that owners consult a qualified mechanic or dealership for proper diagnosis and resolution of these concerns.

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