E-Class (W211) 2003-2009

Upgrading E320 Steering Wheel to E350 Buttons don’t work

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Old Jul 9, 2025 | 06:36 PM
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Mercedes-Benz E320
Upgrading E320 Steering Wheel to E350 Buttons don’t work

Today I got a good condition used steering wheel off of a 2008 E350. After removing the old steering wheel off my 2003 E320 and putting in this new wheel none of the buttons worked. All the connectors seemed to work with each other fine and this new steering wheel doesn’t have any extra luxury features or anything so all the buttons are the exact same compared to the old steering wheel. I looked into it more and maybe I have to get a steering column that’s for a later model E-Class? And possibly re-wire the harness not too sure but I’d appreciate some clarification on what to do thanks.
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Old Jul 10, 2025 | 09:56 AM
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C320
Yes, you need to swap the steering column and wiring harness.
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Old Jul 10, 2025 | 10:11 AM
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04 E55, 06 E55, 05 G55, 14 E63s, 12 cls63
https://mbworld.org/forums/e-class-w...t-install.html

install at your own risk
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