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Noise When Ignition Turned On

Old Feb 3, 2021 | 10:06 PM
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2020 E450 Wagon
Noise When Ignition Turned On

Hi All,

My 2020 E-450 wagon sounds like an electric motor running in the right side of the dash when I turn my ignition on. It does this almost every time my ignition is turned on, its quite loud and it runs for about 60 - 90 seconds then turns off. Any ideas on what this could be? Thanks!
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Old Feb 4, 2021 | 05:25 PM
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2021 c300 Cab. Arrived 7/28/21 . 24 GLE 450e.
Originally Posted by fleuger99
Hi All,

My 2020 E-450 wagon sounds like an electric motor running in the right side of the dash when I turn my ignition on. It does this almost every time my ignition is turned on, its quite loud and it runs for about 60 - 90 seconds then turns off. Any ideas on what this could be? Thanks!
Since you have push button start, how often do you turn on the ignition without starting the car? My bmw starts the power up process as soon as I open the door. There are a lot of electronics to start up. They could make some noise.
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Old Feb 4, 2021 | 05:40 PM
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fleuger99's Avatar
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2020 E450 Wagon
Originally Posted by Elvisfan0108
Since you have push button start, how often do you turn on the ignition without starting the car? My bmw starts the power up process as soon as I open the door. There are a lot of electronics to start up. They could make some noise.
I mean't as soon as I turn on the ignition it starts and goes through me firing up the engine as well. This is very loud though, never had a car sound this loud at ignition/startup. It sort of reminds me of the ventilation system opening and closing 'doors' but much louder.
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