M-Class (W166) Produced 2012-2015

Headlight help!

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Old Feb 10, 2026 | 08:52 AM
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Gritinyourcrawl's Avatar
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2014 ml350
Headlight help!

Hello! I need to upgrade my D1S headlights to something much brighter. This is for my wife's ML, she just got a new job requiring her to drive alot in pitch black country roads. The OEM lights aren't bright enough, and this is even after replacing with brand new bulbs/modules.
Can anyone help me with this?

Last edited by Gritinyourcrawl; Feb 10, 2026 at 08:57 AM.
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Old Feb 10, 2026 | 02:51 PM
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drwolf's Avatar
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From: at the mercedes dealer next to you
2020 GLE350 2020 Toyota Rav4H AWD XLE
Originally Posted by Gritinyourcrawl
Hello! I need to upgrade my D1S headlights to something much brighter. This is for my wife's ML, she just got a new job requiring her to drive alot in pitch black country roads. The OEM lights aren't bright enough, and this is even after replacing with brand new bulbs/modules.
Can anyone help me with this?
Does her car have the ILS (lighting pakage) or the standards with Halogens?
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Old Feb 10, 2026 | 04:05 PM
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2014 ml350
Originally Posted by drwolf
Does her car have the ILS (lighting pakage) or the standards with Halogens?
it has the lighting package, the D1S Bulbs (bulbs have the module on them.)

Last edited by Gritinyourcrawl; Feb 10, 2026 at 04:13 PM.
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Old Feb 10, 2026 | 05:35 PM
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From: In the Shadow of the Tetons
2013 ML350 Bluetec
A couple years ago I replaced my plasma d1s bulbs with these from Amazon:
Amazon Amazon
I see they're no longer available, but I bet there's something similar and, by now, far superior. The low beam lighting is awesome, perfect for country roads. The long range throw of the high beam (lifted shutters) is underwhelming but still better than the stock plasma.
Haven't had an issue with icing lenses and I do live in snow country.
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Old Feb 11, 2026 | 02:22 PM
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2014 ML63, 2018 GLC43, 1929 DB victory six sports roadster
Originally Posted by Gritinyourcrawl
Hello! I need to upgrade my D1S headlights to something much brighter. This is for my wife's ML, she just got a new job requiring her to drive alot in pitch black country roads. The OEM lights aren't bright enough, and this is even after replacing with brand new bulbs/modules.
Can anyone help me with this?
I upgraded mine with LED bulbs and they are much brighter than the originals. Not perfect but better than
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Old Feb 13, 2026 | 04:32 PM
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86 190E 2.3, 2014 ML350 Bluetec
D1S LED bulbs are the way to go, heres my post about them: https://mbworld.org/forums/m-class-w...onversion.html

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