speedometer

Hi All, Just wondering how I change the digital speedometer in the headup display from Kph to Mph in an SLK 171 . Thanks

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Which is the most accurate indication of speed? Technology tells me it's the Origin, but can my speedo (500SL J plate) really be 10% higher than the Origin unit? It's fairly consistantly over the whole range. Is that the Merc default position or is it faulty. If so, does it also affect the...

Has anyone cleaned the pins on their speedos/rev counter as mentioned in this thread http://mbclub.co.uk/forums/showthread.php?t=10465&highlight=speedometer ??? My speedo decided to start being lazy today and started staying on the stop up to 30mph or so(nearly got me a bleeding speeding ticket...

Since there is a wide group of experts here i decided to ask. I was driving 1 month ago and noticed that my speedometer was at 0 km but I was well over that speed. Then it jumped up to 80km all of the sudden. This is happening more and more for time to time. Now all the meters are doing this...

Quote from another thread by GrahamC230K. Our speedo's are more reliable than most. Measuring against the GPS on my Road Angel (accurate while at a steady speed), I have found that my MB speedo only over reads by 2-3mph from 30mph to flat out. I have found that mine is similar, about 2mph...

Hey guys, Does anyone know how to change the digital speedometer display from kph to mph on a c-class W203? I have tried to adjust the settings in the menu to display mph, but it only affects the trip display.