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

Alx/someone who knows - what is the default ride height for an 08 450?

Old 08-20-2015, 04:23 PM
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97 S600 coupe/gf 16 C300 Lux. Former: 08 GL450, 83 300D, 97 C230, 08 c300 luxury, 92 500SL, 93 400E
Alx/someone who knows - what is the default ride height for an 08 450?

The reason I ask is because my latest handling issues have still not been fully resolved. After driving the car a week after the swaybar was replaced, I can still feel the underlying handling issues, and the steering wheel is perpetually cocked off to the left about 15* on level ground. I tried to drive it at *true* 10 and 2, without eyeballing the steering wheel, but it still feels like it's squirming around at the rear and teetering when I do anything other than soft steering input.

I measured the clearance when I got home just now and turned the car off, and I can measure 4 inches between fender lip and top of tire at rear, 3.5 at front.

I have never seen it sit more than 3 inches off the tire! I called the shop and he says ADS/whatever said it was in spec last time.

That's great to hear considering it's NEVER sat this high in the 2 years I've owned it, and I'm having handling issues.

So what is the "default" spec?
Old 08-21-2015, 10:39 PM
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alx
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Eh, unfortunately the height is measured differently (romness gage), so I had to do some math. Your Heights are on the high side, but within specs. I would check front sway bar main bushings. If they are good, I would ask the shop to check If pressures are about the same side to side. See my previous post for twisted/ compensated suspension pressures that still keep truck at speced height...

Last edited by alx; 08-21-2015 at 10:49 PM.
Old 08-25-2015, 10:27 AM
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97 S600 coupe/gf 16 C300 Lux. Former: 08 GL450, 83 300D, 97 C230, 08 c300 luxury, 92 500SL, 93 400E
Thanks Alx. Supposedly, all these things were checked. But.....who knows. I will say that I cranked the car up yesterday morning, and voila! It clearly felt lower in the rear, and as I drove, the wheel was staying more-centered, and it was not teetering. As I sat in the drivethru line, I felt it raise enough to push me more-forward in the seatback! I thought "oh no, here we go again," but then it LOWERED itself again maybe a minute later, and was fine for the drive home.

Level sensor? ADS computer re-learning with the new height sensors? Something still corroded and stuck? Valve block??

Last edited by will_w204; 08-25-2015 at 04:21 PM.

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