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

Rear Liftgate not closing completely

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Old Apr 18, 2023 | 03:11 PM
  #26  
geo51576's Avatar
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GL 450
Hi, did you ever get an answer to this question? My trunk closes half way and goes back up, it feels like it's struggling a little on the way down.
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Old Apr 18, 2023 | 03:20 PM
  #27  
geo51576's Avatar
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GL 450
Hi, did you ever get an answer to this question? My trunk closes half way and goes back up, it feels like it's struggling a little on the way down.
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Old Apr 18, 2023 | 03:23 PM
  #28  
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From: Germantown, MD
'07 GL450
Check your liftgate pump for proper fluid level. It is located in the spare tire compartment, beneath the carpet, within a plastic casing on the right side. Just unscrew the reservoir nut and add fluid until level with the plus sign (+) on the reservoir.

You can refill with any hydraulic fluid (hydraulic lift jack fluid works well). Be sure to open & close the liftgate several times after refilling; then loosen the screw to release any trapped air, and recheck the fluid level.

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Old Apr 19, 2023 | 07:43 AM
  #29  
geo51576's Avatar
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GL 450
Originally Posted by Miguk_Saram
Check your liftgate pump for proper fluid level. It is located in the spare tire compartment, beneath the carpet, within a plastic casing on the right side. Just unscrew the reservoir nut and add fluid until level with the plus sign (+) on the reservoir.

You can refill with any hydraulic fluid (hydraulic lift jack fluid works well). Be sure to open & close the liftgate several times after refilling; then loosen the screw to release any trapped air, and recheck the fluid level.
thanks Miguk_Saram, I will give that a try and will report back. thanks again for your response!
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Old Aug 23, 2023 | 12:40 PM
  #30  
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2012 gl450
Lift gate partial closing

Originally Posted by iandelcaribe
My GL-450 will start to close the tailgate but midway will come back as if it bumped into something, but the way is clear. If I help it with my hand it will continue and close. Any Ideas?
What was your solution?
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