M-Class (W166) Produced 2012-2015

W166 Bi-Xenon light bulb

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Old Apr 6, 2021 | 08:26 AM
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Potrice's Avatar
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From: Ottawa, Ontario
2013 ML350 Bluetec, 1966 Ford Mustang Convertible (sold)
W166 Bi-Xenon light bulb

So my suv is now at 225 000 km and the factory left Xenon bulb crapped out. Time to change them both. I'm on Rockauto and it seems the original OEM bulbs are from Philips. Problem is, there are two versions. D1S and HD1s. Anyone know the difference?

https://www.rockauto.com/en/catalog/...amp+bulb,11701

I'm 99% sure the OEM are the D1S. But maybe the HD1S and the newer brighter versions?
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Old Apr 6, 2021 | 09:27 AM
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Too many german broads
Go with Osram Xenarc Cool Blue. D1S is what you need.
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Old Apr 6, 2021 | 11:33 AM
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2013 ML350 Bluetec, 1966 Ford Mustang Convertible (sold)
Originally Posted by OnlyGerman
Go with Osram Xenarc Cool Blue. D1S is what you need.
Thanks! Found the cool blue boost on Amazon. Will order them! 7000k should be interesting. Hopefully, they won't suck in the rain/snow.
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Old Apr 6, 2021 | 06:23 PM
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Originally Posted by Potrice
Thanks! Found the cool blue boost on Amazon. Will order them! 7000k should be interesting. Hopefully, they won't suck in the rain/snow.
I have same set of bulbs and i love them. Got 2 years warranty on them as well since i heard they don't last too long
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Old Apr 7, 2021 | 11:44 AM
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Too many german broads
They should last for sometime, close to OEM length. I avoided those cheap ebay ones as I heard they can blow up the ballast.
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