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What are the main reasons why the Start & Stop function does not work on a Smart 453?

Model: Smart Smart 453 - Years 2014-2022
Part: Instrument cluster

In this video we see the main reasons why the Start & Stop function does not work on a Smart 453. However, the reasons are also valid for all other cars. First of all, seat belts must be correctly fastened for all occupants and doors must be properly closed; the tailgate and hood must be perfectly closed; air conditioning must not be on for defogging; the battery must be sufficiently charged, normally above 85% of its capacity; then the temperature we have set inside the car matters, if the air conditioner has to make a significant effort to reach it, then the Start & Stop will not engage; the Start & Stop does not work when the engine is cold; the engine must be warm; even an excessively hot or cold external temperature negatively affects it.

Posted on 1 October 2024 by ScegliAuto

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