when i got my car back in september, the navi did not work at all! i would plop in a location and it would map my coordinates MILES away (from my current location compared to where it was saying i was about 30 miles away, sometimes even in lakes, must be that new amg feature aqua car? )

none the less.. took my car to the beloved stealership.. they stated that they re installed the headunit's system and it would work fine.. not only was this a lie (all my navi history points i had tried to use were still in the "last destinations" and.. my radio presets) it still did not work, with the same issue i called once i got home from the dealer and told them it's still not fine.. they said that it was, but i had photo's for proof on the cars map.. i was told to return the next day and bring it back

gave in the car.. they said THIS time they SAW the issue unlike last time..

they proceeded with doing "diagnostics" to the navi that all came out clean and so they changed my antenna on the car.. which i also had to wait for it to be painted and installed.. did not have a car for about 5 days

when i got it.. it worked fine (like it should have from the beginning) BUT once in a blue moon i still get the issue that my navi does not know what my coordinates are, but by a mile or so (still doesn't help because it can't guide me) quickest bypass to it is only turning the car FULLY off waiting for the computer to turn off on the odometer too and then turning it back on and it maps me again.. any quicker ways to hard reset your coordinates without turning off the car fully OR.. any ideas what may be causing this.. it's not too common now it happen s very very very rarely, but still it's so annoying and shouldn't be happening with a brand new car

 

I can feel your pain and understand your frustration. I use the navi sometimes, mostly for me its iphone...

 

that's pathetic.. THANKS to the iphone when it does act funny i just go over to the iphone and get to where i have to get even MORE accurate than our COMAND's navi.. btw.. any bypass plug and play methods to get rid of navigation functioning while in drive? it seriously is the MOST annoying feature ever.. my father's 2010 s class doesn't have it and when i asked the dealer why mine did.."it's safe on the s class to use while in motion" SERIOUSLY!? it's the same system we just have a smaller screen and scroll wheel... sigh

 

Hi there. I had exactly the same issues. The problem went away when I upgraded to the latest map.

 

thanks! did you pick up the map upgrade from your dealer?

 

Off topic, but speaking of map upgrades. I don't know about other countries but I asked the MB dealer in Hong Kong about upgrading the software and they quoted me approx HK$20k (US$2500) which I find insane as for that price, I can get an aftermarket installer to put in a touch screen interface with a 3D Nav software, digital TV and a rear camera.....

 

Nope. I got it done outside the dealership. All he did was load the new map from a disc.

 

Just a quick note about GPS units (vehicle, phone, hand held, whatever), they all download geospacial data about where in orbit the satellites that are in view, are. This data can get messed up sometimes (which would show your location on the map being someplace else entirely).

This is a common issue. The data gets downloaded from the satellites themselves. Most phones and handheld devices have an option to force an update, I have yet to find that option in most vehicle units though.

The only time I have ever seen a car get the GPS completely screwed up, is when it is transported via ship or truck to a geographic location that is a significant distance (a few states, an entire ocean) from when the GPS was last turned on...

This really screws with things.