Lower LED fog light issue
Thread Starter
Junior Member
Joined: Feb 2014
Posts: 20
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From: Chicago, Illinois
White E350 W212 with Panorama Roof
Lower LED fog light issue
Hi all, I have a 2012 E-350 and love it...my questoon is, I have seen other E350 on the street that can have the lower LED lights on but without any head lights or parking lights on....hows that work? I have tried all the dials on my head light switch and I cannot get ONLY the lower LED lights on without turning on 1 or the other head lights/parking lights on...
Thanks in advance....
Thanks in advance....
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Joined: Oct 2010
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From: Southern US
2010 E550, 273 Engine: 2012 S550, 278 Engine
Hi all, I have a 2012 E-350 and love it...my questoon is, I have seen other E350 on the street that can have the lower LED lights on but without any head lights or parking lights on....hows that work? I have tried all the dials on my head light switch and I cannot get ONLY the lower LED lights on without turning on 1 or the other head lights/parking lights on...
Thanks in advance....
Thanks in advance....
Thread Starter
Junior Member
Joined: Feb 2014
Posts: 20
Likes: 1
From: Chicago, Illinois
White E350 W212 with Panorama Roof
I will try it this weekend............I am kinda thinking that is part of the "Daytime Running Light" system...........this morning, I have seen 2 C300 and a E350 has the lower LED lights on without any head lights on..........made me wonder.
Thread Starter
Junior Member
Joined: Feb 2014
Posts: 20
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From: Chicago, Illinois
White E350 W212 with Panorama Roof
Thread Starter
Junior Member
Joined: Feb 2014
Posts: 20
Likes: 1
From: Chicago, Illinois
White E350 W212 with Panorama Roof
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MBWorld Fanatic!
Joined: Oct 2010
Posts: 5,141
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From: Southern US
2010 E550, 273 Engine: 2012 S550, 278 Engine
This light should come ON automatically if you have enabled it in the cluster menu. At daytime when head lights are off you should have these DRLs lit up only at the front end of the car.
DRLs are designed to make the car front visible at daylight conditions and there should not be anything else lit up a daylight.
Things change when it gets dark enough for the head lights come on from the photo cell. This will still keep the DRLs on but on half power.
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Thread Starter
Junior Member
Joined: Feb 2014
Posts: 20
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From: Chicago, Illinois
White E350 W212 with Panorama Roof
First off, the title line of this thread says fog light. If you have the hockey stick or straight light at the bottom corners you do not have fog light at the front of the car. That light is Daytime Running Light (DRL).
This light should come ON automatically if you have enabled it in the cluster menu. At daytime when head lights are off you should have these DRLs lit up only at the front end of the car.
DRLs are designed to make the car front visible at daylight conditions and there should not be anything else lit up a daylight.
Things change when it gets dark enough for the head lights come on from the photo cell. This will still keep the DRLs on but on half power.
This light should come ON automatically if you have enabled it in the cluster menu. At daytime when head lights are off you should have these DRLs lit up only at the front end of the car.
DRLs are designed to make the car front visible at daylight conditions and there should not be anything else lit up a daylight.
Things change when it gets dark enough for the head lights come on from the photo cell. This will still keep the DRLs on but on half power.
Anyway....I kinda figured out those must be DRL related because I have seen other MERC including C and E are all having the lower lights on without the head lights on day time....however, I tried this morning, my headlight are on along with the lower LED...for the whole time I drive to work. I can have both ON or OFF..but cannot get to the lower DRL on by itself without the headlights are on....weird.
Thanks for all the help....
MBWorld Fanatic!
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From: Southern US
2010 E550, 273 Engine: 2012 S550, 278 Engine
OK...that make sense, however, according from the manual, those hockey stick lights, is indeed called "FOG LIGHT". At least, the button next to the dial (lights) is indicated that is called Fog Light. The manual referring those as fog lights, on some model, they even have rear fog lights, and I think any lights that is located below the main head lights are considered fog light.
Anyway....I kinda figured out those must be DRL related because I have seen other MERC including C and E are all having the lower lights on without the head lights on day time....however, I tried this morning, my headlight are on along with the lower LED...for the whole time I drive to work. I can have both ON or OFF..but cannot get to the lower DRL on by itself without the headlights are on....weird.
Thanks for all the help....
Anyway....I kinda figured out those must be DRL related because I have seen other MERC including C and E are all having the lower lights on without the head lights on day time....however, I tried this morning, my headlight are on along with the lower LED...for the whole time I drive to work. I can have both ON or OFF..but cannot get to the lower DRL on by itself without the headlights are on....weird.
Thanks for all the help....
You do have a fog light in the rear on driver side only. That is what the button next to the light dial is for. If you had a luxury trim car you would have four round lights in front of the car in place of the two hockey sticks. Two of those four round lights would be fog lights and the other two DRLs. In a car like this you also have two buttons around the light dial for the fog lights. One for front and one for rear.
Your hockey stick DRLs should be on alone at daylight if you have them enabled in the cluster menu and your light dial is on AUTO. If not there is a problem with the car.
Thread Starter
Junior Member
Joined: Feb 2014
Posts: 20
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From: Chicago, Illinois
White E350 W212 with Panorama Roof
The hockey stick light is NOT a fog light. It is DRL. Your car does not have fog light in the front.
You do have a fog light in the rear on driver side only. That is what the button next to the light dial is for. If you had a luxury trim car you would have four round lights in front of the car in place of the two hockey sticks. Two of those four round lights would be fog lights and the other two DRLs. In a car like this you also have two buttons around the light dial for the fog lights. One for front and one for rear.
Your hockey stick DRLs should be on alone at daylight if you have them enabled in the cluster menu and your light dial is on AUTO. If not there is a problem with the car.
You do have a fog light in the rear on driver side only. That is what the button next to the light dial is for. If you had a luxury trim car you would have four round lights in front of the car in place of the two hockey sticks. Two of those four round lights would be fog lights and the other two DRLs. In a car like this you also have two buttons around the light dial for the fog lights. One for front and one for rear.
Your hockey stick DRLs should be on alone at daylight if you have them enabled in the cluster menu and your light dial is on AUTO. If not there is a problem with the car.
Thank you....this is resolved.
