M-Class (W164) Produced 2006-2011: ML280CDI, ML320CDI, ML420CDI, ML350, ML500, ML550

Can I use my fog lights as daytime running lights? 2007 W164

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Old Oct 17, 2022 | 08:43 AM
  #1  
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ML350 - 2007 164.186
Can I use my fog lights as daytime running lights? 2007 W164

Hello,

i search the forum but i can't find any solution. My mercedes is 2007 European.
And In my country, it is mandatory to turn on the headlights during the day. (Main headlight, fog light or drl does not matter)

Currently, from the comfort features of the car (adjusted from the steering wheel), automatic daytime running lights are turned on. (In this mode Headlights are always on)
but I only want the fog lights to be on during the day. (I saw another ML like this in traffic today) (I have stock fog lights H3.)

I have XENTRY program and adapter. Is this possible via Xentry or otherwise?
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Old Oct 18, 2022 | 07:13 PM
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Only way is switch on dash. Then you get park lights and taillights too
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Old Oct 18, 2022 | 08:27 PM
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This place is a joke.
You can tap into the fog light wiring with a relay triggered by a key-on source. There is no way to do it through programming.
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Old Oct 18, 2022 | 11:35 PM
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understand,but its illegal to open fog lights at night if there is no fog.

looks there is no way.
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Old Nov 16, 2024 | 10:12 AM
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Well, there is, like posted above using a relay. You would need a relay that would turn on with key on and off with headlights on. It's a wiring headache, but can be done.

On a side note, I think there are replacement headlight units that have simulated DRL integrated. I have looked at them but not used in person.
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Old Nov 16, 2024 | 06:11 PM
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Originally Posted by grkmspr
understand,but its illegal to open fog lights at night if there is no fog.

looks there is no way.
Is it not legal during the day as well if there is no fog ..not only in the EU

You can install another front bumper or only the grille's for installing DRL ( round models) together with the fig lamps. Or a bumper with LED DRL's. Programming is easy to do and can follow any configuration.
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Old Nov 17, 2024 | 12:41 PM
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2008 MB ML 320CDI w164
Originally Posted by grkmspr
Hello,

i search the forum but i can't find any solution. My mercedes is 2007 European.
And In my country, it is mandatory to turn on the headlights during the day. (Main headlight, fog light or drl does not matter)

Currently, from the comfort features of the car (adjusted from the steering wheel), automatic daytime running lights are turned on. (In this mode Headlights are always on)
but I only want the fog lights to be on during the day. (I saw another ML like this in traffic today) (I have stock fog lights H3.)

I have XENTRY program and adapter. Is this possible via Xentry or otherwise?
I would strongly advise against using fog lights as "driving lights" as the reflectors in the lights cannot withstand the heat. I did it on my 08 Ml 320 CDI and had to replace both fog lights.

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Old Nov 17, 2024 | 04:41 PM
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if you think its ok to blind oncoming traffic you shouldnt own a car
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