GL Class (X164) 2007-2012: GL320CDI, GL420CDI, GL450, GL550

Every Light Is On

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Old Nov 28, 2022 | 05:01 AM
  #1  
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From: Poke-a-Fellow
None. Sold the last one and never looking back.
Every Light Is On

Every light is on but fixed pretty easily.

Last edited by Zundfolge; Jun 4, 2023 at 04:13 AM. Reason: Sold
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Old Nov 28, 2022 | 06:34 AM
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2007 GL450
It's so pretty. Just like a Christmas tree.

Check the front SAM, perhaps. Any chance there is water intrusion into the passenger compartment?

P.S. Good for you, doing basic electrical diagnostic work first. When electrical mayhem occurs, first check the charging voltage and battery health.
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Old Nov 28, 2022 | 04:38 PM
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NGL450 w/EORP, S550
I wonder where the water is sloshing around
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Old Nov 29, 2022 | 05:54 AM
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None. Sold the last one and never looking back.
Fixed. Thank you.

Last edited by Zundfolge; Jun 4, 2023 at 04:13 AM. Reason: Fixed
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Old Nov 29, 2022 | 05:56 AM
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None. Sold the last one and never looking back.
Originally Posted by Max Blast
I wonder where the water is sloshing around
Ok. I'll look more for that. Thanks.
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Old Nov 29, 2022 | 12:39 PM
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Originally Posted by Zundfolge
lolz. Thanks, jerk.
Now my feelings are hurt.

The jerk is the one that designed that purty display, including neither an oil pressure nor over temperature indicator light.
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Old Nov 29, 2022 | 10:26 PM
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Mercedes Benz 2007 GL450 , 2012 BMW 528i
Originally Posted by eric_in_sd
The jerk is the one that designed that purty display, including neither an oil pressure nor over temperature indicator light.
And put SAM in well/pit at the bottom of SUV, prone to drowning in water.
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Old Nov 30, 2022 | 11:08 AM
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Originally Posted by TX07GL450
And put SAM in well/pit at the bottom of SUV, prone to drowning in water.
Along with sunroof seals that fail, and a "panoramic" lexan skylight, also with seals that fail, each conveniently located over one of the two SAMs.

It is truly a robust design. It needs a sump pump.

The "L" stands for Luxury; it was meant to siphon off all the posers who bought the G, driving it to Rodeo Drive and back. As it happened, this worked, except the unwashed masses also stormed in to buy the GL, attracting a whole new class of poser to continue buying the G.

It's funny because the owner's manual actually suggests crossing bodies of water.

I need to explore the well under the driver's seat. It is one area I have yet to explore. I am actually only half joking about installing a sump pump; a water intrusion alarm, like I ought to get for my cellar, which houses all the house plumbing, is cheap insurance.

OP, if your problem is intermittent, the prognosis is not terrible. You can recover a lot of electronics by rinsing with DI water and placing in the refrigerator, which is a very dry environment.
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Old Nov 30, 2022 | 11:13 AM
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2007 GL450
The skylight (aka pano roof) would be a dandy location for a pop-up gunner, like the one manning a 50 cal on a humvee.

If the pano roof were hinged and thick high tensile strength steel, or Kevlar, it could serve as a shield for a rear facing gunner. This is how you get feral leftists off your tail.

Anything would be more useful than that stupid slab of lexan.
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Old Dec 4, 2022 | 11:55 PM
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2010 gl450 x-164
Hello sr, i have the same issue as you. did you ever figure out what it was?
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Old Jan 11, 2023 | 01:17 AM
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None. Sold the last one and never looking back.
Originally Posted by s_lara@yahoo.co
Hello sr, i have the same issue as you. did you ever figure out what it was?
Yes!
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Old Jan 11, 2023 | 01:19 AM
  #12  
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None. Sold the last one and never looking back.
Originally Posted by Max Blast
I wonder where the water is sloshing around
Dude. Who are you?? This isn't the first time you answered a question and -while I may have been gracious in my reply- I thought "get lost jack hole".

Yet both times you were right. I stand corrected. You are the man.
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Old Jan 11, 2023 | 01:21 AM
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None. Sold the last one and never looking back.
Originally Posted by eric_in_sd
Now my feelings are hurt.

The jerk is the one that designed that purty display, including neither an oil pressure nor over temperature indicator light.
lol. Indeed. Those would be nice.

My apologies.
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Old Jan 11, 2023 | 01:33 AM
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None. Sold the last one and never looking back.
Fixed. Thank you for your help.

Last edited by Zundfolge; Jun 4, 2023 at 04:14 AM.
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Old Jan 11, 2023 | 08:12 AM
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FYI dielectric grease = (mostly if not all) plain ol' silicone grease

Congrats. Count yourself deeply fortunate it was just wiring and not modules.
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Old Jan 11, 2023 | 09:35 AM
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Wow all the GLs are experiencing very similar symptoms around the 10ish year mark. Lot of time for things to get plugged up i guess.
Also 2000 to diagnose is insane. Are they insinuating it will take them 13+ hours at 150/hr?
Diagnostic time goes by hourly rate. Scum.
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Old Jan 11, 2023 | 03:43 PM
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Gl350 x164 Silverado HD f350 wakesetter
Hahaha I have the same deal going on. Happened to me driving through the mountains.
Found my roof rack bolt at the rear leaking. I will cap off the rear squirter as well.
thanks for the tips.
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Old Jan 12, 2023 | 07:34 PM
  #18  
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Originally Posted by Waspjr
Hahaha I have the same deal going on. Happened to me driving through the mountains.
Found my roof rack bolt at the rear leaking. I will cap off the rear squirter as well.
thanks for the tips.
Mind sending me pics of what you do? I could be wrong about the washer fluid.
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Old Jan 12, 2023 | 08:05 PM
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Gl350 x164 Silverado HD f350 wakesetter
Originally Posted by Zundfolge
Mind sending me pics of what you do? I could be wrong about the washer fluid.

The previous owner I assume it was the dealership. They never put the nut back on to tighten the od to the body.
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Old Jan 12, 2023 | 08:38 PM
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None. Sold the last one and never looking back.
Originally Posted by Waspjr

The previous owner I assume it was the dealership. They never put the nut back on to tighten the od to the body.
Am I looking at the roof under the headliner? And it was a mistake by someone?
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Old Jan 13, 2023 | 10:47 AM
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Gl350 x164 Silverado HD f350 wakesetter
Originally Posted by Zundfolge
Am I looking at the roof under the headliner? And it was a mistake by someone?
well idk for sure all I know is the nut was not there and the rear roof rail was not clamping down on the pad seal and roof.
tightened it up rained all night and it’s dry now.
before with a light rain it would leak about a pint in 6 hrs.
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