[PetrFin]

Hello,
It was all night heavy rain. In the morning I start the car and some weird things happening. In the dashboard showed up some lights included check engine light. Engine sounded OK but when I shut off the car, dashboard lights stayed on, headlights stayed on and the only way to shut it off was disconnect the battery.
Next morning when car dried, I start the car and everything seems OK. Only mirrors didn't close when I lock the car. The mirrors closed after I pressed the button on door.
I called to my mechanic and he said something is getting wet. He pointed some locations, seems like fuses locations, but the question is, if is it common in these cars and what most likely getting wet.
Thank you

 

[ianrandom]

Isn't there a propensity for real lamp seals to leak on these? I'm not sure if it's this model, but water can then get the SAM wet. And many problems can come from that it seems.

 

[StenoPete1911]

Hello,
It was all night heavy rain. In the morning I start the car and some weird things happening. In the dashboard showed up some lights included check engine light. Engine sounded OK but when I shut off the car, dashboard lights stayed on, headlights stayed on and the only way to shut it off was disconnect the battery.
Next morning when car dried, I start the car and everything seems OK. Only mirrors didn't close when I lock the car. The mirrors closed after I pressed the button on door.
I called to my mechanic and he said something is getting wet. He pointed some locations, seems like fuses locations, but the question is, if is it common in these cars and what most likely getting wet.
Thank you

Hello. X164 are plagued with a faulty seals in the rear taillights. (Installation was wrong at the factory - reversed) Change both of them and you're good to go. Your rear-SAM module is the culprit in this case. GL.

 

[PetrFin]

Hello. X164 are plagued with a faulty seals in the rear taillights. (Installation was wrong at the factory - reversed) Change both of them and you're good to go. Your rear-SAM module is the culprit in this case. GL.

Hello and thank you,
So it should be pretty simple. I'll just remove the rear lights and I believe there's gonna be some seals under. Should I swap them, the right one for left one and the left one for right one?
And where exactly is the SAM module? Will I see it when I take off the lights? Which one is it under?
Thank you

 

[StenoPete1911]

Hello and thank you,
So it should be pretty simple. I'll just remove the rear lights and I believe there's gonna be some seals under. Should I swap them, the right one for left one and the left one for right one?
And where exactly is the SAM module? Will I see it when I take off the lights? Which one is it under?
Thank you

Hello.

No. Don't swap them as that'll do nothing. Once you remove both taillights, you'll have to, replace both seals with new ones, correctly.

Your rearSAM module is located in the right taillight area, but if you don't locate it there, the it was moved to under right middle seat.

GL.

 

[PetrFin]

Hello.

No. Don't swap them as that'll do nothing. Once you remove both taillights, you'll have to, replace both seals with new ones, correctly.

Your rearSAM module is located in the right taillight area, but if you don't locate it there, the it was moved to under right middle seat.

GL.

Thank you

 

[tonylinc]

Is it possible if the tail light leak could cause a dead battery? Or a no-start issue that appears to look like a dead battery? (2008 GL450)

And are the 2013 Model year also affected with the rear light seals? Mine is a 2013 X166 GL450

 

[jrziggy]

Hello! My 2011 GL-450 started acting crazy after rain due to the ingress of water in the rear left quarter where a wire harness connector got wet. I found the water by removing the storage compartment where the first aid kit resides in the rear left of the cargo area. There was a pool of water there. The water wasn't coming in from my tail lamp seals, but somewhere higher up - I'm still searching for the location of the leak, but I've moved the wires up and keep the area drained after rain. The issue is under control but not yet fixed. Check that area.