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Mercedes E-Class 2000: Reviews & Experiences

 
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mycedes
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Post27-11-2007, 12:41    Subject: Mercedes E-Class 2000: Reviews & Experiences Quote

Hello everyone,

I think it's great that there's a forum dedicated to CAN. I'm a complete beginner and I just recently received my Lawicel CANUSB adapter.
I then tried to connect to the bus system of my Mercedes E-Class (W210) from 2000. However, I'm not receiving any messages. This also happens even when I disable the 'listen only' mode. When I enter a speed of 250 kbits and disable 'listen only,' the display in the instrument cluster and the steering wheel buttons are disrupted. Otherwise, the LED on the adapter only lights up red. Otherwise, nothing happens.
I suspect I'm just using the wrong speed setting, and that Mercedes doesn't use a 'standard speed' like VW and others do. Can anyone offer me some advice on this?

Thank you very much.
Erich.


Translated on 26-08-2026, 22:07.
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rathma
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Post27-11-2007, 15:15    Subject: Mercedes E-Class 2000: Owner Reviews & Experiences Quote

Did my tip, which I sent you via private message, not help?


Translated on 26-08-2026, 22:08.
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mycedes
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Post27-11-2007, 22:18    Subject: Mercedes E-Class 2000: Owner Reviews & Experiences Quote

Hello, I read your other post about the MHz speeds of the 'Quarz.' Unfortunately, I don't really know much about electrical engineering.
Mir ist in der Beschreibung des Lawicel Canusb-Adapters nur der ' Philips SJA1000 CAN Controller running at 16Mhz' aufgefallen.....weiß aber nicht, ob das überhaupt das Gegenstück ist??
HiSetup with BTR0/BTR1 CAN bit-rates where xx and yy are hexadecimal values.
value. This command is only active if the CAN channel is closed.
xx BTR0 value in hex.
yy BTR1 value in hex:
0x00000000
Example: s031C

How can I calculate the hex values for my BTR0 and BTR1?en?Here's a short excerpt from the Canusb adapter's manual regarding speed settings:Set up CAN with BTR0=0x03 & BTR1=0x1C.How can I calculate the hexadecimal values for my BTRO and BTR1?


Translated on 26-08-2026, 22:10.
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mycedes
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Post28-11-2007, 1:18    Subject: Mercedes E-Class 2000: Owner Reviews & Experiences Quote

Thank you for your reply!
I found another calculator that still works.

http://www.kvaser.com/can/protocol/timing_calc.htm

That's how I calculated the bitrate.


Translated on 26-08-2026, 22:12.
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mycedes
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Post28-11-2007, 11:32    Subject: Mercedes E-Class 2000: Owner Reviews & Experiences Quote


Mercedes doesn't use any 'unconventional' bitrates, but only standard bitrates. Just because you don't like the 'odd' number doesn't mean it's not a common bitrate. Quite the opposite...

Thank you for this helpful statement... icon_idea.gif


Translated on 26-08-2026, 22:12.
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