Harman Kardon upgrade HELP NEEDED please.
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CLS W219 350
Harman Kardon upgrade HELP NEEDED please.
![](https://cimg0.ibsrv.net/gimg/www.mbworld.org-vbulletin/1371x693/jp_sound_system_85141ee2ebfc12c4560331d47a4d612a8bf5b136.jpg)
I have 2009 CLS and it has this system NTG 2.5 with navigation and twin tuner AGW
I've bought all Harman Kardon speakers but Im unsure what amplifier do I need and is it just plug and play or do I have to do wiring etc?
Can someone please help?
Thank you,
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You will need to use MB STAR (diagnostics) to erase stored fault codes, check amp flashware is current, and code new amp.
![](https://cimg9.ibsrv.net/gimg/www.mbworld.org-vbulletin/506x362/amp_62607b5310d694afade26c9c78364bdae87b2c6d.jpg)
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CLS W219 350
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Wiring Diagram
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'71 Pinto
Wiring diagrams -> Enter vehicle -> Interior & Driver Amenity -> Entertainment (Audio Systems)
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Wiring diagrams -> Enter vehicle -> Interior & Driver Amenity -> Entertainment (Audio Systems)
Wiring diagrams -> Enter vehicle -> Interior & Driver Amenity -> Entertainment (Audio Systems)