Awd donuts in an e550
as the snow continues to fall here in New England the temptation to let it rip grows. I understand I could be applying extra wear to the center diff of 4m e550, but could anything else be extremely worn? I take care of her as if it’s my child, oil changes every 4k miles, just changed the rear diff oil at 67k miles, etc. any help would be appreciated!




as the snow continues to fall here in New England the temptation to let it rip grows. I understand I could be applying extra wear to the center diff of 4m e550, but could anything else be extremely worn? I take care of her as if it’s my child, oil changes every 4k miles, just changed the rear diff oil at 67k miles, etc. any help would be appreciated!
Last edited by pierrejoliat; Feb 1, 2021 at 06:39 PM.
But with 4 people in ours from a stop doing a left turn in standing water and pouring rain. It was a yawn... Nothing but very fast acceleration - it might as well have been dry... ContiProContac tires.Let's hear about the snow, and I wouldn't worry a bit on the center diff - snow isn't going to bother it. What I did, would work it much harder, not to mention those that take theirs to the drags and do power brake launches...
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Given that the ESP will no doubt raise a fuss and turn down the throttle one is pushing while trying to do donuts, you'll have to turn ESP off (or at least turn it down). Easily done on a 211 via the button on the center console, fairly easily done on a 212 in the IC menu. On the 211 one can enter "Dyno Mode" where ALL the nanny stuff is turned off and the car will do exactly what you want it to until you start hitting telephone poles. Is there a Dyno mode on the 212? If so, how is it accessed?
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https://mbworld.org/forums/e-class-w...2011-e550.html
Last edited by RA72825; Feb 1, 2021 at 08:49 PM.
https://mbworld.org/forums/e-class-w...2011-e550.html




I dunno re donuts, I'd rather do my hooning in something a lot more disposable. I used to power slide around muddy lots in ratty old cars I didn't much care about. learned to control FWD torque steer with a 1984 VW Rabbit in the mud and snow...
I dunno re donuts, I'd rather do my hooning in something a lot more disposable. I used to power slide around muddy lots in ratty old cars I didn't much care about. learned to control FWD torque steer with a 1984 VW Rabbit in the mud and snow...
Installing a 63S LSD Rear diff would be a bad idea then?
i dont need lsd in the rear but i want it lol




as far as LSD goes, ESP does the same thing via the wheel brakes, transparently... any wheel starts to spin excessively, ESP engages that wheel brake to slow that wheel down which naturally redirects the torque to the other wheels... this is much smoother than the traditional LSD which goes from full slip to full lock in a single clunk and typically will only engage at fairly low speeds (my 92 Volvo 740 turbo's Dana locking rear end would only engage at speeds below 35 MPH, causing a clunk you felt in the whole chassis if you were on a variable traction surface... thankfully you had to push it pretty hard to get there).
as far as LSD goes, ESP does the same thing via the wheel brakes, transparently... any wheel starts to spin excessively, ESP engages that wheel brake to slow that wheel down which naturally redirects the torque to the other wheels... this is much smoother than the traditional LSD which goes from full slip to full lock in a single clunk and typically will only engage at fairly low speeds (my 92 Volvo 740 turbo's Dana locking rear end would only engage at speeds below 35 MPH, causing a clunk you felt in the whole chassis if you were on a variable traction surface... thankfully you had to push it pretty hard to get there).




anyways... while none of mine have this, Mercedes tried two traction control systems out on W124 back in the late 80s/early 90s. the first one involved inboard brakes on each side of the rear differential, and a complex hydraulic system, this was called ASD. a later version, ASR, used the ABS brakes with a drive-by-wire throttle, and was pretty much a predecessor of what is in the W212 ESP system. There was a W124 4Matic too, but it was nightmare complicated, and many folks describe it as a 'beta test' for AWD. But the 124 4matic was stuck back in the first generation until the W210 fixed/enhanced the AWD system. and its been good ever since.
Last edited by alan_e550; Feb 2, 2021 at 10:04 AM.






