E-Class (W213) 2016 - 2023

2021 E450 makes a loud bang noise on reverse.

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Old 01-20-2023, 11:59 AM
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2021 GLE350
Question 2021 E450 makes a loud bang noise on reverse.

This is my brother's car.

The car has air suspension.

And he rarely drives it.
Old 01-21-2023, 12:08 AM
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E450 Wagon, GLC300, E550
Are you sure it’s not the parking brake? They are known to stick particularly in cold weather after getting wet. Mine occasionally “bangs” loudly when backing out of my garage.
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vchander (01-22-2023)
Old 01-21-2023, 10:05 AM
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Originally Posted by CaprichioArabe
Are you sure it’s not the parking brake? They are known to stick particularly in cold weather after getting wet. Mine occasionally “bangs” loudly when backing out of my garage.

Maybe it is.

What are you supposed to do about it?
Old 01-21-2023, 10:29 AM
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Have dealer check it under warranty.
Old 01-21-2023, 12:45 PM
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Happens when the brakes are wet and then dry off while parked and stick. Power through it.
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