S-Class (W223) 2021 to Present

Reprogram Rear Steering from 4.5 to 10

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Old Aug 9, 2025 | 10:29 AM
  #26  
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I’m making do over here with no RWS lol
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Old Aug 9, 2025 | 10:31 AM
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Originally Posted by SW20S
I’m making do over here with no RWS lol


I am high maintenance and very spoiled!!!
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Old Aug 9, 2025 | 10:35 AM
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Originally Posted by regancc


I am high maintenance and very spoiled!!!
Its like, some of us get NO sex and you all are worrying about great vs good?!?!
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Old Aug 9, 2025 | 03:38 PM
  #29  
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Originally Posted by SW20S
Its like, some of us get NO sex and you all are worrying about great vs good?!?!
Well, not to brag, but I get plent...er...uhm...never mind.
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Old Aug 9, 2025 | 03:41 PM
  #30  
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And you STILL want 10 degrees! Greedy lol
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Old Aug 9, 2025 | 03:43 PM
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Originally Posted by SW20S
And you STILL want 10 degrees! Greedy lol
Fair point...
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Old Aug 9, 2025 | 07:59 PM
  #32  
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Honestly, 10 degrees is INSANE... I really would love to try how it feels with 10 degrees. All the AMG body styling W223s that I've test driven had the 4.5 degrees (never experienced 10 degrees) and it was great. I can't even imagine how would a 10 degrees RWS feel? My last 3 daily BMWs all had ~3.5 degrees RWS and that already felt outstanding
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Old Aug 10, 2025 | 09:54 AM
  #33  
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Originally Posted by crabman
Seems like this cant be good for your business. Can you briefly explain what's gone on here to drive the costs so far up? I remember something with access, software, something along that line, and you had to pay for each. True, false, something else. Not asking for any top secret stuff, just an overview of how things got to where they are now. TIA
The way of coding on 223 cars are changing, RAS+ coding involves a module which cannot be touched by the relative cheaper way, must use the most expensive method, due to this reason, the price is high.
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Old Aug 10, 2025 | 10:27 AM
  #34  
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I know when you did mine you had hoped it was going to get cheaper, doesn't sound like it has, sounds like its gotten worse?
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Old Aug 10, 2025 | 12:58 PM
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Considering the price, I'd be rationalizing too, that's not a shot at anyone, just a recognition that it would be hard to pull the trigger at that price. I would have not bought a car without it, I sampled while testing and checked the box. With 4.5 the thought process is along the lines of a nice felt improvement, with 10 it's magical, I literally spent weeks after I got the car not believing the spots I was easily horsing the car into.

I didn't figure out the parallel parking until later. I never had much issue with it, and being old, have had plenty of practice. I did give it a quick look when I first got the car, and it worked fine. But it was slow, not so slow that you'd get honkers, but I can do it faster. End result was I preferred to do it myself. Eventually I started wondering just what will the car accept as a parking spot, and could it get into those spots? So I started experimenting; I'd pick smaller and smaller spaces, and see if the car would recognize it as a viable space, and could get the car into it. Turns out that it will use spaces that can't be entered without rear wheel steer. It's not a skill thing, the car can go in steeper, because it can turn the rear wheels as it approaches the curb, to avoid hitting it. There's a limit to this, it's not a forklift. But it can take you where no boat of this size has gone before the 10 degree.

Getting out when using the system can be even more interesting. In time, I had learned to let the car pull itself in, and had come to trust the system. The reason I had learned to do it is that it turns out the car won't pull itself out, unless it puts itself in. I've no idea why this is a limitation; often as not, the cars and their spacing front and back, will have changed by the time you jump in again. The system will still pull you out just fine so the limitation is an odd one. In any event, it exists, so I had started letting the car park itself, so it could pull itself out. That was in turn the result of one fine day...

I had parked at a coffee shop down in the viillage. I was still in the exploratory phase, and had let the car park itself. Turned out the pastries Mrs Crab wanted weren't out yet, so I grabbed a cappucino, and sat outside while I waited for them to come out of the oven. I had about 15 minutes to kill and during that time the cars front and back changed a couple times. With the guy in front, pulling well back to do the pull straight out maneuver. Not good parking etiquette, but it happens. As the two men got out, the passenger asked the driver if he thought he should move, because "the rich donkey orifice in the Mercedes" wouldn't be able to get out. The driver gave it a Meh, and into the shop they went. At that point they brought out my pastries, and I was off. I was truly curious to see if the car could get itself out, and it did not disappoint. The car will crab, and walk itself out, bit by bit. As it was doing this I had a small audience watching to see if I could get out. Turns out, I could, or more accurately the car could. Last I saw of the guys from the car in front, one had a whoa look on his face as I was rolling away.

I don't think I would pay that either. But I might, because I would know what I was missing. The 10 degree is real, it's not just a number. That chit works.
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Old Aug 10, 2025 | 01:03 PM
  #36  
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Excellent story, Crab! Loved reading it. I never use auto park, but I imagine I would with the 10. If the price drops 2/3, I will pull the trigger. And until then, I will live vicariously through you and your 10 deg option!!
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Old Aug 10, 2025 | 04:05 PM
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I drove the car with the RWS, honestly it wasn't a big positive for me. I have been driving big flagship cars for so long the length of it is just kind of part of the driving experience, I'm so used to it it doesn't bother me at all.
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