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Creaking dash on C300 Convertible

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Old Apr 22, 2025 | 02:27 PM
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C Class C300D Convertible
Creaking dash on C300 Convertible

Hi, I'm new on here but my wife has owned her C300D Convertible from new in 2019 and it's been faultless up until now. We recently had an offside front lower control arm replaced by our local garage with a pattern part much to my dismay as I insisted on genuine parts only.
The issue we have is a creaking/cracking sound coming from the left hand side at the front of the dash when the front wheel/s go up a kerb or drop into a rut in the road, so when the chassis twists a little (being a convertible this is deemed normal)
Does anyone have any experience of this type of noise as I don't want to pay to take out the dash when it could be something else, there anything behind the dash that could cause this? It happens when the hood is up or down as I checked, I initially thought it could be be the roof moving and creaking.

Any help would be gratefully received.
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Old May 11, 2025 | 12:24 PM
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Originally Posted by Crazy4557
Hi, I'm new on here but my wife has owned her C300D Convertible from new in 2019 and it's been faultless up until now. We recently had an offside front lower control arm replaced by our local garage with a pattern part much to my dismay as I insisted on genuine parts only.
The issue we have is a creaking/cracking sound coming from the left hand side at the front of the dash when the front wheel/s go up a kerb or drop into a rut in the road, so when the chassis twists a little (being a convertible this is deemed normal)
Does anyone have any experience of this type of noise as I don't want to pay to take out the dash when it could be something else, there anything behind the dash that could cause this? It happens when the hood is up or down as I checked, I initially thought it could be be the roof moving and creaking.

Any help would be gratefully received.
Are you sure it is from the dash and not suspension? I understand sounds could sound like from a certain place but it turns out to be from somewhere else.
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