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

2012 GL550 purchase

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Old Jan 3, 2023 | 05:49 PM
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From: Boston, MA
07 GL450
2012 GL550 purchase

Just bought a 2012 GL550 because I crashed my 2007 GL450 and I was feeling bummed out about it. I really like the way driving my Benz Truck makes me feel, and I didn't want to downgrade to something cheap. I'll post pics later, it's pretty mint both inside and out. Has like 125k miles on it.

Anyway, just wondering if there's anything I should check out before my 7 day lemon law period is up. I have a cloned C3, but I couldn't get it to work on my previous vehicle, because I think a bad OBD cord. I've bought a new cord, but haven't had a chance to give it a try just yet. Going to try tomorrow, it was pouring rain today.
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Old Jan 3, 2023 | 06:40 PM
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NGL450 w/EORP, S550
Depends on what state you’re in but in my state Washington all sales are final - there is no cooling off. So depends on what the cooling off period In your state allows you. I would look for signs of water intrusion underneath the seats and in the trunk area and if you see any, then you should probably just return the car. Again depends on what the legislature in your state covers. Water intrusion will turn one of these into a parts car in a hurry, everything else is really fixable economically.
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Old Aug 27, 2024 | 08:07 AM
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2012 GL 450. 2014 Smart Fortwo Passion
Originally Posted by GelandewagenNub
Just bought a 2012 GL550 because I crashed my 2007 GL450 and I was feeling bummed out about it. I really like the way driving my Benz Truck makes me feel, and I didn't want to downgrade to something cheap. I'll post pics later, it's pretty mint both inside and out. Has like 125k miles on it.

Anyway, just wondering if there's anything I should check out before my 7 day lemon law period is up. I have a cloned C3, but I couldn't get it to work on my previous vehicle, because I think a bad OBD cord. I've bought a new cord, but haven't had a chance to give it a try just yet. Going to try tomorrow, it was pouring rain today.
So how are things going with your GL 550. As I have just purchased a 2012 GL 450 with similar mileage.
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Old Aug 27, 2024 | 04:55 PM
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From: NYC
2012 GL 450. 2014 Smart Fortwo Passion
Grandbaby approved

So after a Saturday of Grandbaby hauling (8yrs 8yrs and 11yrs of age) Martha the GL 450 is approved by all, although the 8 year old Boy child, who reminded me that some of these GL's come with the entertainment screens in the head rest. So I stop off at Walmart later and the Auto Drive head rest tablet holder are now fitted in Martha's interior satisfied that request.

​​​​​​After a fun day trip to that Animatronics Dinosaur park, and snacks at Wendy's. An effortless ride back across the George Washington Bridge into Manhattan and I must say I do like the the GL's driving confidence. If you ask her she's willing. It's stopping, when you feel your heavy.

I did buy a little cig lighter USB adapter with the volts lit up on it as of the Temp/RPM/MPG/VLT info I and use to seeing by using the ScanGauge ll in my last few vehicles. I find the info center supply's all well enough eccept a Voltage monitor, so I will use the little adapter I. The front ashtray drawer as a way to monitor the voltage at a glance I also ordered two magnetic phone mounts for front seat usage. A multi USB charging port and a Bluetooth tooth unit to plug in to the glove box port.
For more phone use options.
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Old Aug 27, 2024 | 10:29 PM
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NGL450 w/EORP, S550
Search on how to put the car into maintenance mode. The center display will then show voltage of the battery at rest, as well as when charging.

if the value were over to drop out of the norm, you would get a white or red battery icon, depending upon the severity of the fault.

another cool feature that you may have noticed and if you don’t have the front headrest TV screens, is the RCA jack in the glove box. it’s a great way to export audio from your phone. Either listening to music or navigation commands without having to turn into the factory infotainment system (Comand)

Last edited by Max Blast; Aug 27, 2024 at 10:32 PM.
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Old Aug 30, 2024 | 11:45 AM
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2012 GL 450. 2014 Smart Fortwo Passion
Originally Posted by Max Blast
Search on how to put the car into maintenance mode. The center display will then show voltage of the battery at rest, as well as when charging.

if the value were over to drop out of the norm, you would get a white or red battery icon, depending upon the severity of the fault.

another cool feature that you may have noticed and if you don’t have the front headrest TV screens, is the RCA jack in the glove box. it’s a great way to export audio from your phone. Either listening to music or navigation commands without having to turn into the factory infotainment system (Comand)
I also saw something where the maintenance mode can also show how much oil is currently in the motor. I had my phone Bluetooth connected at one point next day it did not reconnect. Thanks for the information.
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Old Apr 8, 2025 | 12:12 PM
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NGL450 w/EORP, S550
Originally Posted by twcom
I also saw something where the maintenance mode can also show how much oil is currently in the motor. I had my phone Bluetooth connected at one point next day it did not reconnect. Thanks for the information.
X164 maintenance mode does not do that, whereas the w211 e-class and others do.
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