SL-Class (R230) 2003 -- 2012: Discussion on the SL500, SL550, SL600

SL/R230: Throttle response.

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Old Jun 26, 2003 | 10:12 AM
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Throttle response.

While driving off, I've become very wary about the way the pedal responds to imput - its not exactly linear and I often set off more abruptly than intended. Is that how it is?

Also note a real delay in the response when it is pressed, compared to my other automatics, as if the gearbox is taking time to respond to the imput. Is this adjustable?
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Old Jun 26, 2003 | 10:45 AM
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your foot pedal is connected to a electric wire, not direct to throttle.
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Old Jun 26, 2003 | 11:23 AM
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Electric throttle adjustment?

It happens sometimes, as with manual cars, when you go round a corner, and sometimes your speed is slow so you need to shift into first, same goes for Merc autos. i have notced this in my mum's A-class auto as well. Its like your at a roundabout waiting to move off after just lingering in, and then, you hit the pedal, nothing happens for half a second, and before you know it, you press a bit more and you are doing 5000rpm in 1st gear. can be very annoying. Although it doesn't happen in my dad's E-class. having driven both, i prefer the normal throttle response, much more predictable, but I doubt this is a glitch, you just have to get used to it. It can be annoying sometimes, but not everything's perfect? eh?
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Old Jun 26, 2003 | 02:53 PM
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Thats exactly how it is, Bilal. I kinda hoped an electronic throttle might be electronically adjustable.

I guess I'll get used to it. Doesn't happen in BMW's tho.
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Old Jun 26, 2003 | 03:57 PM
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Originally posted by theboogers
your foot pedal is connected to a electric wire, not direct to throttle.
So I believe- but I thought the reason for that was better throttle response, not a slower one...
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Old Jun 26, 2003 | 04:43 PM
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Yup thats normal. I suppose all part of this new brake by wire and accelerate by wire technology - and I find its at its worst when the engine is cold. One of these days I'll end up stuffing the SL55 into the back of someone.
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Old Jun 26, 2003 | 07:50 PM
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Exactly right guys. Mercedes is the only company in the world that makes its own automatics in house, and they do a damn fine job. BMW use a ZF 6 speed auto, and even a GM box!


And BMW's, famed for their gearboxes, they don't make them, a company called Getrag manufactures them. But I',m sure you guys already knew that.:p

Mercedes automatics, are by far the best autos, even though they may have Windows 95 running in them.
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Old Jun 27, 2003 | 03:55 AM
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Ah, now there Bilal I might disagree a little....

Having had both I'm still slightly in favour of the BMW box - it is very liquid in both response and gear change.

Anyway, its not a biggie, I just don't like the throttle reponse especially starting (as I have to) on a hill when the car is cold.

Like Paul I feel you could easily push it into the car in front - but its ones coming from behind that worry me!!
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Old Jun 27, 2003 | 04:00 AM
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heheeheh, LOL.
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