Nav / Comand restarts - Mercedes Benz SLK Forum

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#1 Old 10-03-2008
 
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Nav / Comand restarts

I have a 2006 slk350, which I've now owned for 6 weeks. I love the car. Recently added smarttop and mobridge. I have noticed that the nav system will reboot unexpectedly. After the reboot, the system doesn't "remember" the address that I had previously entered (destination memory). This problem happened before and after the addition of mobridge & smarttop.

Has anyone else had this problem?

Last edited by jbanks15; 12-12-2014 at 07:59 PM.
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#2 Old 10-03-2008
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What's mobridge?

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#3 Old 10-03-2008
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I've had my '05 Comand 'wink out' a few times. MB updated the software again but it could also be an overheating AGW (Audio Gateway) issue.

Last edited by Driller; 10-03-2008 at 09:09 PM.
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#4 Old 10-03-2008
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Quote:
Originally Posted by etyu View Post
What's mobridge?

It's basically the same hardware as the Denison GW500, but different firmware - so an optical interface for bluetooth and iPod..



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#5 Old 08-08-2009
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Did the software/firmware upgrade solve the problem?

Mine has started doing this (typically every 10 minutes or so) - and because its only recently started (early 06 350) - I'm not sure that it would be a software problem?
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#6 Old 08-08-2009
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Update;
I don't believe this is an overheating problem because it seems to occur within 2 or 3 minutes from a cold or fresh start, and again usually within 10 minutes of the start. After that it seems fine for at least half an hour. I haven't had longer runs to try it. I did possibly suspect it to be 'bump' related (could be a bad power connection), but now don't believe this is so as it has now done it at slow speed on a smooth road.
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#7 Old 08-08-2009
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Quote:
Originally Posted by grey man View Post
Update;
I don't believe this is an overheating problem because it seems to occur within 2 or 3 minutes from a cold or fresh start, and again usually within 10 minutes of the start. After that it seems fine for at least half an hour. I haven't had longer runs to try it. I did possibly suspect it to be 'bump' related (could be a bad power connection), but now don't believe this is so as it has now done it at slow speed on a smooth road.

Hey Grey Man - I had basically the same on mine, and ended up with the dealer replacing both the COMAND and HK AGW under warranty. Mine went from resetting itself once in a blue moon, to once a day, to completely locked up in the period of two weeks.

Just to clarify - when you say "navigation reboots", you are talking about the COMAND HU going back to the MB Star, correct?

If you are still covered, I'd get it looked at asap. If it *is* the AGW, however, it should cause the entire COMAND to "freeze up", and sound regardless of source would drop completely.

TSB's worth looking at :
http://www.billsden.org/fileadmin/me...82_62_325e.pdf

http://www.billsden.org/fileadmin/me...82_60_388a.pdf

And interestingly - this one as well - should be noted this can happen if the navi drive lens is dirty (eg thinks the disk is not readable..)
http://www.billsden.org/fileadmin/me..._82_85_389.pdf



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#8 Old 08-09-2009
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Yes;

Operating normally, with radio/MP3 playing. Suddenly sound cuts off (with a strange noise sometimes), screen goes blank. After about a minute or two - Mercedes star appears, followed by caution screen, MP3 starts from 1st track on disc .......... etc etc.

Its under Mercedes AUC warranty, so I guess I'll start there.

Thanks for the TSBs - none of which seems an exact match, but all of which are possible. Car is an early 06 (1st Reg Jan 06).
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#9 Old 08-09-2009
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Further update;

I used the car today - and unplugged my Visee0 MB2 'phone interface.

No problems. This may be a coincidence, but the Visee0) has recently had a software update to cure other problems (Visee0 locking up).

The software update to the Visee0 seems to have (as far as I can tell in a short period) cured the Visee0 itself - but could it have caused other problems? The Visee0 works fine when Command is running. Not tried when Command has misbehaved. Certainly there has been no obvious correlation (e.g. phone calls) between Visee0 and Command reboots.

Is it possible that the whole command can be made to reboot by something through the 'phone interface?
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#10 Old 08-09-2009
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It shouldn't do, the interface just pretends to be a phone, its not connected to the loop directly, MOST is designed to go into a fail-safe mode if a component fails so even if your phone control unit locks up (and it shouldn't) then the optical interface should continue to copy pulses received onto its output.

It doesn't work with the bus master because it supplies the MOST with info it needs to operate (like electrical system data), pop the car into the dealer while you have the warranty cover and they will replace the AGW (after a lot of fooling about most probably).

If your cluster display shows dashes or no data at all on the infotainment related pages then that is further confirmation of a AGW fault.
#11 Old 08-09-2009
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Thanks for that;
When the Visee0 was locking up - it was keeping something awake and staying powered (LEDs on Visee0 on). That has now been cured by an update to the Visee0 units software. When the Visee0 did lock up - as you indicate - everything else went on as normal except it said insert phone (as might be expected). However - all that seems cured.

When the Command is working OK, all the other displays seem fine - including the audio track/radio station in the window between the speedo and rev counter - though haven't actually looked just before/during a reboot.

Not had any dashes or missing audio displays from this section.
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#12 Old 08-09-2009
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Yeah it can pull power from the control unit whenever it wants but that should not be connected to your issue.

The displays will read fine when the system is working normally, its just when it crashes.
#13 Old 08-09-2009
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Thanks - I will keep a look out, but I have Mercedes main agent AUC warranty for about 10 months
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#14 Old 08-09-2009
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I'm having the same problem with my March '06 350. No add-ons except the OEM bluetooth puck. COMAND has rebooted itself 3 times in one month of ownership. I'm hoping that the firmware upgrade takes care of it when the CD does it's rounds and gets to me.
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I've had this happen (just once) in my 2006 350 as well. Driving with Nav & MP3 audio playing. I rarely use my nav, and haven't had it happen except just the once. It was a cool evening when it happened, approx. 20 minutes into a drive.
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#16 Old 08-13-2009
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Happened again today - whilst stationary at traffic lights.

Called dealer - who says there is a software update needed on my car.

Booked in a week on Friday.
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#17 Old 08-14-2009
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Been using car (weather has been reasonably favourable) both with and without the Visee) module in.

It may be co-incidence .......... but it has rebooted 4 times with Visee0 in ............ and not at all with Visee0 unplugged.

Any views???

Interesting to see what software upgrade (promised as in previous post) will do
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#18 Old 08-21-2009
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Update:
Pretty certain the Command reboots only occur when the Visee0 unit is in. I have tried with it in - and it reboots on about 75% or more of journeys.
With it out possibly once - probably never out of 10+ journeys. Why this should be I don't know. Timing issues??

Took car into dealers today; Upgrade to Command system was to correct 'instability'. This has been applied (apparently I have V4.1). So far - so good.

Other items; I have never had TMC channel operation, though the handbook refers to it and the Command menus include it. According to the dealer I should have it. They will ask Mercedes about this.

As a general point - I have a BMW 3 series with I-drive of the same vintage as my Command ........ and I-drive is SO SO SO MUCH better than Command ..... faster, easier to use, better mapping, better audio functions, better telephone integration, much faster to boot etc etc.
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#19 Old 08-21-2009
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Until i-Drive goes down and takes a large part of the car with it but yes i do tend to agree with you otherwise.

The TMC issue is related to your navigation disk, the version installed in your car is too old and MB have only recently entered into a contract with a TMC provider here in the UK, a new navi DVD will fix this issue.

Still not sure with the BT unit is causing your drama's I'm afraid.
#20 Old 08-22-2009
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Thanks Dan,

On the TMC issue, I'm not that bothered because I have found that if you follow one of its diversions, it only tends to put you in 'a better class of queue' (i.e. with others with SatNav)

It is a little poor of Mercedes to give you full instructions on how to operate it etc, and the soft buttons to use it (thus implying it should be fitted) - when they don't supply a suitable disc. I fully expect the dealers to come back with an "it's available if you want it but the disc will cost "

Since the Command firmware upgrade - the only visible change is that I now have a little 'N' f(or North up I presume) beside the scale indicator on the map view and the phone ID and signal strength in the bottom right corner of the map. This was only present before in 'non map' views.
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