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Originally Posted by Dolebludger  Besides the fact that all US spec SLKs have a pre-set electronic speed limiter (it's 147 mph on our SLK 280), I know of no driver-adjustable speed limiter on them. To change that speed limiter would require some hood-up tech work, and is not something that can be done from the driver's seat.
I'm still unclear if the European spec SLKs have a driver-controlled speed limiter. Do they?
If I did have one of those, I would want it disabled as soon as possible. Dangerous! What if it were accidentally activated, and it became necessary for me to get out of somebody's (or some thing's) way, and I couldn't? |
I have a user-adjustable speed limiter in my CH-speced 2009 SLK280. Well actually two. One is a hard limit programmed from board computer and best used for permanent limitations, like for use with winter tyres with different speed ratings. This limit cannot be overridden once set; it can only be reset wit board computer. And there is no way to set it beyond the maximum speed of 250km/h.
The second is a soft one and is easily adjusted with the stalk on the left of the steering. Push the stalk towards center of steering wheel and an orange light comes up on the stalk. Press up (parallel to steering wheel) and the limiter is set to current speed. Press up again and the limit is raised by 10km/h ot the nearest multiple of 10. Press down and it comes down by 10km/h (reminder : the granularity on cruise control is 1km/h).
The speed limit is displayed in the bottom part of the dash display.
When you accelerate, the car will go up to that speed and will not further accelerate. It indeed feels a bit numb once there. :-) In an emergency, kick down and the car will jump forth as the limit is removed. I have tried that and it works fine (minus the delay for the 7G to react of course, but that is independent of setting the limiter).
A press on the stalk towards center of steering wheel will turn off the limiter.
I very often use this in city driving. The limit around here is 50km/h so I set the limiter to 60 and do not have to worry (too much) about speed cameras. Quite handy on highways too if the traffic is dense and precludes use of cruise control.
Well of course, now and then I forget that I have it on and start wondering why the engine is so wimpy. A press on the stalk and all is back to normal.
All in all, a very nice feature. May be one with the occasional (mild or limpy) surprise... but the consequences are not dramatic.
All the best.