S-Class (W223) 2021 to Present

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Old Dec 12, 2022 | 06:07 AM
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What would happen if,,,

Hi, I have 20" wheels with 10deg rear wheel steering (RWS). What would happen if I changed to 21"? Would the car somehow sense this and restrict RWS to 4.5? Would it allow but wheels/tires would interfere with wheel well?
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Old Dec 12, 2022 | 06:39 AM
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Originally Posted by Sonic Boom
Hi, I have 20" wheels with 10deg rear wheel steering (RWS). What would happen if I changed to 21"? Would the car somehow sense this and restrict RWS to 4.5? Would it allow but wheels/tires would interfere with wheel well?
No, the car would not know it has bigger wheels. Would you be going for wider tyres then? Bigger wheels should not be a problem unless they are wider, along with tyres as I guess they would. You could activate snow chain mode to restrict the steering angle.
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Old Dec 12, 2022 | 06:52 AM
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Something to do when you get with Mr Ninja...
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Old Dec 12, 2022 | 11:06 AM
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Originally Posted by Diesel Benz
No, the car would not know it has bigger wheels. Would you be going for wider tyres then? Bigger wheels should not be a problem unless they are wider, along with tyres as I guess they would. You could activate snow chain mode to restrict the steering angle.
On the contrary, I don’t want to restrict it. 10deg RWS is amazing and a game changer for car maneuverability.
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Old Dec 12, 2022 | 12:34 PM
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Yeah, I'm not into the look anyways but were I, I still wouldn't give up my ten degrees. I had 4 in the last car and that was nice, 10 is a revelation. I still can't believe the spots I can easily horse the car into; I'm sure I still haven't figured out exactly how small a spot I can get into when parallel parking.
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Old Dec 12, 2022 | 02:20 PM
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Originally Posted by crabman
Something to do when you get with Mr Ninja...
will his software 'upgrade' my 4-degree to 10?
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Old Dec 12, 2022 | 03:10 PM
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Originally Posted by Sonic Boom
On the contrary, I don’t want to restrict it. 10deg RWS is amazing and a game changer for car maneuverability.
Then why do you want to go for wider tyres (do you, you did not comment on the tyre size)?
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Old Dec 12, 2022 | 03:11 PM
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Originally Posted by tonupbklyn
will his software 'upgrade' my 4-degree to 10?
I doubt. But which car is it? 4 degrees does not sound like a W223 or EQS. These two have 10 degree steering hardware but restricted to 5 if too big wheels installed.
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Old Dec 12, 2022 | 03:45 PM
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Originally Posted by Diesel Benz
I doubt. But which car is it? 4 degrees does not sound like a W223 or EQS. These two have 10 degree steering hardware but restricted to 5 if too big wheels installed.
for w223....4.5 on non executive line, 10 only on executive line.
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Old Dec 12, 2022 | 04:03 PM
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Originally Posted by Diesel Benz
Then why do you want to go for wider tyres (do you, you did not comment on the tyre size)?
Guess I want the best of both worlds. But if I can only have one, then it’s a no brainer for the 10deg.
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Old Dec 12, 2022 | 04:29 PM
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Originally Posted by tonupbklyn
will his software 'upgrade' my 4-degree to 10?
As others have said you would have the 4.5; I came from another brand/car. The hardware is identical but the AMG cars are limited due to the wheels dimensions. Or at least this is said; I've seen no real world proof.

In any event one poster here switched from the 21 inch AMG wheels and was able to enable 10 degree steering so this can be done with the correct wheels and then getting the car coded. That occurred overseas; to my knowledge no one in my part of the world has been able to code their car yet.
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Old Dec 13, 2022 | 12:29 AM
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Originally Posted by tonupbklyn
for w223....4.5 on non executive line, 10 only on executive line.
My mistake about the 5 degrees, it actually is 4.5 here in Europe too, my memory said it would be either 5 or 10.

Wheels are the only restriction here for the 10 degree steering option.
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