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Rear break light question.

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Old Oct 21, 2023 | 07:13 PM
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Rear break light question.

Noob questions however, my wife was driving behind me and said my two top lights where not engaging when i break.. do i have a fuse out or bulb.Also, is there thread on brakes squeaking upon backing up in reverse i couldn't find a thread to this issue i am sure there is a few i herd this maybe due to some grease points that need to be lubed up every year or so. Breaks were just check and all is good. But still get a squeaking on reverse.
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Old Oct 22, 2023 | 10:24 PM
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'20 GLS450, '17 S550 Sedan
Originally Posted by Bkbenz14
my wife was driving behind me and said my two top lights were not engaging when i brake.. do i have a fuse out or bulb?
In my 2017 W222, the brake lamps only illuminate in two of the three tail lamp "outlines," just as your picture shows. Therefore, I believe this is operating normally, unless someone else here can show a different experience.

Hope this helps!
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Old Oct 24, 2023 | 12:08 PM
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Do any US S-Class have the rear fog light?
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Old Oct 24, 2023 | 08:43 PM
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Thanks, that all i needed to know being a new S class owner.
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Old Oct 25, 2023 | 06:30 PM
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'20 GLS450, '17 S550 Sedan
No Rear Fog Lamp in U.S. (W222)

Originally Posted by NbyNW
Do any US S-Class have the rear fog light?
I do not have a rear fog lamp button in my 2017 W222.


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Old Oct 25, 2023 | 08:56 PM
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Originally Posted by mercedesbuff
I do not have a rear fog lamp button in my 2017 W222.

Same here, no light. The owners manuel shows it as you noted. Wondered if certain cars had it.
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Old Oct 26, 2023 | 01:47 AM
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My older benzes all had rear fog lights. I've also used it when needed..but admittedly, 99% of the road users would just think something is wrong with my taillights. Pretty sure thats why they got rid if it for the US spec cars?
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Old Oct 26, 2023 | 07:09 AM
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On BMW's, the wiring and bulbs are there for rear fog lights, and to enable them it's only required to obtain the required Euro-switch and connect it.

Does anyone know if this is the same for the W222?
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Old Oct 26, 2023 | 02:35 PM
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'20 GLS450, '17 S550 Sedan
W222 Rear Fog Lamp (NON U.S.)

Originally Posted by NbyNW
Same here, no light. The owners manual shows it as you noted. Wondered if certain cars had it.
I believe the W222 rear fog lamp used entirely separate hardware in other parts of the world, rather than working via the existing tail lamp housing. The photo below shows what I think the European fog lamp (center of rear bumper) looks like. I could be wrong...


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