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M-Class (W166) Produced 2012-2015

Steering wheel switches not working

     
Old Nov 20, 2024 | 11:42 AM
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paulwith
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From: cheshire uk
ml350amg slk 320
Steering wheel switches not working
Hi
2014 ML350 Non of the controls on the steering wheel are working.
Any idea of a fix please ?
Thanks
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Old Nov 21, 2024 | 04:53 PM
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maxthrottle
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ML550
Could be a fuse? Check out the list of fuses in the pamphlet that is inside the fuse box under the right back seat.
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Old Nov 21, 2024 | 05:54 PM
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CaliBenzDriver
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easy does it
Originally Posted by paulwith
Hi
2014 ML350 Non of the controls on the steering wheel are working.
Any idea of a fix please ?
Thanks
The steering buttons go through multiple loose connections.
The very first such module is located under steering wheel top cover.

Fix requires new module purchase or 5mn soldering iron job.

You can confirm and test your chassis faults using a basic $150 scanner.

Local MB specialist estimate should be less than $1kUSD

Last edited by CaliBenzDriver; Nov 21, 2024 at 05:57 PM.
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Old Nov 30, 2024 | 07:46 AM
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paulwith
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From: cheshire uk
ml350amg slk 320
Thanks
Not a fuse.
Seems failed clockspring but cannot source the part. 1669008707
Will a clockspring for the earlier W164 fit the 2014 W166?
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Old Jan 21, 2025 | 11:46 AM
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paulwith
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From: cheshire uk
ml350amg slk 320
Update
Had to buy the complete control module including the clockspring!
Fitted and all working.
The clockspring was a a tangled mess!
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