Looking everywhere for alignment specs for an E550.

I have a 2012 WITH Air suspension and the Sport package.

The closest I can find is a J&L Techno page. http://www.jltechno.com/en/alignment...ModelID=304930

Seems to indicate front toe should be between 0 and .34 degrees total toe-in ?
And front camber should be between 0.15 to 0.95 degrees neg ?

Can anyone confirm that?


I've measured mine a few times and made some adjustments in the garage. Currently at 0.3 total toe-in, and the front left is -.61 camber and front right is -.52.

Had to use a sanding drum in a Dremel to make adjustments in the strut holes to get the camber I needed. After replacing the front air struts, the camber was just a couple tenths of a degree.

Thanks in advance for any help.

 

Go to post 49
https://mbworld.org/forums/e-class-w...ml#post8651095

 

^ Thanks so much for that.

The links at the bottom of that post were a big help.

With steel spring suspension (code 485) and 4-Matic;
Front camber = 0.37 degrees neg
Front total toe = 0.15 degrees (Toe in, and using a spreader bar to take up the slack, see pic below)

Rear Camber = 1.03 degrees neg
Rear total toe = + 0.37 degrees (Toe in)

__________________________________________________ __________________________________________________ ___________
And a 2011 - 2014 E550 with Airmatic (code 489) and 4-Matic should be;
Front camber = 0.5 degree neg
Front total toe = 0.15 degrees (Toe in, and using a spreader bar to take up the slack, see pic below)

Rear Camber = 1.05 degrees neg
Rear total toe = + 0.4 degrees (Toe in)

So it looks like I'll be taking 1/10th of a deg of camber out of my right front, and rechecking my front toe.

Thanks again.

(Picture of spreader bar in between the front sidewalls of the front tires. We're to force them outward slightly, so as to take up the slack. Then adjust to spec.)

Front spreader bar tool, item #30

 

I do not know exactly which chassis & suspension code is yours, but just be aware that MB values are decimal minutes and not decimal degree.
Only MB Romess value is in decimal degree.

So if you stated : Front camber = 0.366 degrees neg
That would be -0 degree 22 minutes or -0* 22' in the MB WIS which belongs to : Model 212.0 with code 485, with 4 matic ( page 2 and 3 of 10 )
485 suspension is steel and comfort, not airmatic.

If your model is 212.0/2 with code 489, with 4MATIC , the spec of front camber is -0* 30' which means -0.50 degrees in decimal degrees ( page 3 of 10)
1 degree = 60 minutes
1 degree as usual, has 1/100 point of decimal degree or a 1/1,000 if such instrument exist to measure it.

Becareful when going for alignment, convert your values in both decimal degree and decimal minutes , so that you do not get delayed while
observing the display of the 4 wheel alignment rack. I so happen to use the alignment shop also using decimal minutes, so easier for me to use MB spec as-is
without conversion.

 

THANKS for the catch. I will go up a post and correct it, so other forum members are not misled.

 

Sweet....

Too bad my alignment shop does not have the spreader bar, but so far so good.
Actually MB and BMW is very **** when it comes to super accuracy of measurement.
If the wheel/RIM is MB original, it will have 5 holes for mounting-aka-alignment of the laser reflector.




This way the measurement is true because laser reflector is on the wheel hub and not the tire or the wheel/rim.

Something like this :
https://www.letfli.com/hunter-alignm...o-comp-adaptor

It does make sense if one's wheel is not 100% in good shape, all quick installation of laser reflector can be effected and hence final reading/adjustment too.

 

Oh wow. That's what those are for?

I had a bunch of BMW's in the past (750IL, two 850i's etc) and those called for something like 150 lbs on each front seat, 50 lbs or something in the rear seats and a full tank of fuel.


My car doesn't seem to call for anything, which makes sense as the air system will always correct the ride heights.

 

Well we must first understand why the Germans are so **** when it comes to steering/alignment and ride height accuracy.
They have Autobahn and doing 150MPH+ all day is LEGAL in many parts of the highway and any bad alignment will be either dangerous or purely terrifying to drive a car at those speed.
As far as I know, wheel/RIM must be TUV approved too if you replaced yours with aftermarket.
The amount of G's wheel and tire combo spinning at 150MPH+ is insane, so bad quality wheel is a death sentence.

Them Germans knows that their cars will be pushed to max speed in their own country.


I like running 142 MPH on my 1983 modded Toyota Supra Mk2/A60 when I was young and still an idiot, almost every week I will do it, illegally at 4AM, that is when the traffic police is changing shift and I have
15 minutes windows. No speed camera back then in 1983 in Singapore Changi airport back road, service road actually , to its cargo complex, which is parallel to the 5.5KM long airport super block and the runways.
Its a 2 + 2 lane, so basically very wide and ultra straight.

One day my friend brought his family's 500SE W126 model and damn, that machine does 150 MPH so easy, so quiet, so comfy and steering is so forgiving.
I am talking riding on black tarmac, not the rough concrete one like in USA and now in my country too. I hate concrete higway, so noisy.
I then realized, the MB steering for its comfy sedan is not sporty in anyway, but if for going high speed the steering and suspension setting is so NOT TIRING and track super straight.
Unlike my 1983 Supra back then, sure it has sporty steering response after the mod, but if I have to drive it say 30 minutes on Authobahn at 140MPH constant, I would take my E400 MB anyday.

Like my 1.6L 2010 Ford fiesta, very nice steering response yada yada, but it is not a steering you want to let go hand-less at 125MPH assuming the car can do that speed, I never tried hahaha.

I think this intermediate ball joint ( L shape ) is partly responsible for W212 steering being a comfort and good straightline tracking at high speed, albeit a dull one too



I really enjoy W212 pass 125MPH where traffic allows , even on concrete highway, black tarmac is better though.
That is why my 4 wheel alignment is done per 5,000KM usually, along with wheel balancing.