E-Class (W212) 2010 - 2016: E 350, E 550
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Weird hazard lights

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Old Jul 2, 2024 | 03:23 AM
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Weird hazard lights

Not sure what is going on with my pre facelift e350. If the car is not running and I turn on the hazard lights the left front side does not blink but if the engine is running it is fine. Looked at some of the problems with the LEDs on the forum but have not seen one with the same problem. Also if I lock and unlock the vehicle it also does not blink. I dont get any errors in the cluster.

Any idea what is going on?
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Old Jul 2, 2024 | 07:31 AM
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From: Fleriduh
W212 E63S Wagon - GSL580 - E63 - E350 - C300
There is an odd setting that does that...I had noticed my car do it in the past. Something about "Euro" hazard lights....I might need to go play wtih my cars to figure that out. It is exactly as you said....
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Old Jul 2, 2024 | 01:49 PM
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Originally Posted by shotgun_banjo
Not sure what is going on with my pre facelift e350. If the car is not running and I turn on the hazard lights the left front side does not blink but if the engine is running it is fine. Looked at some of the problems with the LEDs on the forum but have not seen one with the same problem. Also if I lock and unlock the vehicle it also does not blink. I dont get any errors in the cluster.

Any idea what is going on?
Save your headaches, use a LAUNCH scanner to exercise your blinkers.

These lights are remotely managed via messaging.

Testing will lead you to understand what is happening.
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Old Jul 3, 2024 | 01:55 AM
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Originally Posted by CaliBenzDriver
Save your headaches, use a LAUNCH scanner to exercise your blinkers.

These lights are remotely managed via messaging.

Testing will lead you to understand what is happening.
LAUNCH scanner? I have a FOXWELL scanner, would that work? I scanned the modules and nothing is showing up.
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Old Jul 3, 2024 | 03:24 AM
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Originally Posted by shotgun_banjo
LAUNCH scanner?
I have a FOXWELL scanner, would that work? I scanned the modules and nothing is showing up.
I understand, you want to use the tools you have!

Hopefully Fockswell has the module coverage you need.

Search and look in your headlight modules
or your F-SAM for a test menu that can trigger outputs for ya.


Last edited by CaliBenzDriver; Jul 3, 2024 at 05:16 AM.
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