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  #1  
Old 04-05-2001, 06:22 PM
atikovi
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I'm installing a replacement instrument cluster(with electronic speedometer/odometer) from a parts car but it has more than 20,000 less miles on the odometer than my car. I've got it hooked up to a function generator at 1800 Hz which has the speedo at 160 MPH. At this rate, it will take over five days nonstop to add 20,000 miles! Is there a faster way? If I increase the frequency will I burn out the speedo motor? On the other hand, if I let it run nonstop for five days at 160 MPH won't that burn out the speedo motor? Should I maybe let it rest every 12 hours for an hour or so? I understand that new replacement odometers can be set to any mileage by pressing the trip odometer reset button in a certain sequence, but isn't that only a one time thing?
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  #2  
Old 04-05-2001, 06:34 PM
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Frequency generator is the ONLY way to change mileage on USED inst cluster. NEW ones can se set but once & that is by MB only!!
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  #3  
Old 04-05-2001, 07:01 PM
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Don't know who has it but look at these sites for your answer. We repair speedos and have been waiting for the market to justify these tools.

http://www.cdh.co.uk/home.htm


http://www.megachip.de/en/index.html
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  #4  
Old 04-05-2001, 09:38 PM
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Frequency generator set to 160 mph ?? What fun is that ? I say put the dash back together, fill up with fuel, get out on the hiway and DRIVE that baby at 160 mph for 5 days to get your mileage up there. Way more fun.

Just kidding.
But it would be more fun.
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  #5  
Old 04-05-2001, 09:46 PM
Stevegman
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Trent - My thoughts exactly

But then it wouldn't be accurate to the vehicles mileage.
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  #6  
Old 04-05-2001, 10:11 PM
David C Klasse's Avatar
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I say we all discuss how to TAKE OFF 20,000 miles from our VDO's QUICKLY!!!
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2006 E350 w/ 155k miles (Daily Driver)

Previous:
1993 300E 3.2L Sedan w/ close to about 300k miles
2003 E500 Brilliant Silver (Had 217k miles when totalled!)
1989 300E with 289,000 miles (had for <1 yr while in HI)
03 CLK 500 cabrio (Mom's)
2006 C230k (Dad's)
1999 S420 (Mom's/Dad's)
2000 C230k Sport sedans
2001 CLK320 Cabrio (Mom's)
1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!)
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  #7  
Old 04-06-2001, 12:09 AM
David C Klasse's Avatar
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You could really go in reverse on an old mercedes and it would roll back the odometer? Yeah, the new ones must be a *****. Oh well, I guess it's better that way though, in fact, I KNOW.
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2006 E350 w/ 155k miles (Daily Driver)

Previous:
1993 300E 3.2L Sedan w/ close to about 300k miles
2003 E500 Brilliant Silver (Had 217k miles when totalled!)
1989 300E with 289,000 miles (had for <1 yr while in HI)
03 CLK 500 cabrio (Mom's)
2006 C230k (Dad's)
1999 S420 (Mom's/Dad's)
2000 C230k Sport sedans
2001 CLK320 Cabrio (Mom's)
1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!)
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  #8  
Old 04-06-2001, 12:45 AM
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On the new digital odometers, it actually adds mileage in reverse I think.
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  #9  
Old 04-06-2001, 02:16 AM
David C Klasse's Avatar
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Yes, in reverse. It also adds miles when the car is off!! I once tried to coast down a hill after turning the car off, and it still added the miles!! .2 miles it added when I turned the car off for about 15 seconds!! That's not even fair? The engine isn't even running.
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2006 E350 w/ 155k miles (Daily Driver)

Previous:
1993 300E 3.2L Sedan w/ close to about 300k miles
2003 E500 Brilliant Silver (Had 217k miles when totalled!)
1989 300E with 289,000 miles (had for <1 yr while in HI)
03 CLK 500 cabrio (Mom's)
2006 C230k (Dad's)
1999 S420 (Mom's/Dad's)
2000 C230k Sport sedans
2001 CLK320 Cabrio (Mom's)
1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!)
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  #10  
Old 04-06-2001, 03:03 AM
David C Klasse's Avatar
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Join Date: Jan 2001
Location: Mission Hills in the City of San Diego
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I know, I swear Mercedes-Benz manuals are practically common sense manuals.

(Though I did once stick my torso out of a Mercedes while driving it [cruise control].... I guess I had no common sense when I was 16!!)
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2006 E350 w/ 155k miles (Daily Driver)

Previous:
1993 300E 3.2L Sedan w/ close to about 300k miles
2003 E500 Brilliant Silver (Had 217k miles when totalled!)
1989 300E with 289,000 miles (had for <1 yr while in HI)
03 CLK 500 cabrio (Mom's)
2006 C230k (Dad's)
1999 S420 (Mom's/Dad's)
2000 C230k Sport sedans
2001 CLK320 Cabrio (Mom's)
1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!)
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  #11  
Old 04-06-2001, 05:00 AM
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MBenzNL
 
Join Date: Jan 2001
Location: the Netherlands
Posts: 1,417
Quote:
Originally posted by blackmercedes
Well, I've never driven backwards at 160mph
I can only get the car to 50km/h in reverse...It is not something I tried while reversing and looking on the speedo meter, but it was something a customer in my taxi once shouted out surprisingly...

greetingz,
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  #12  
Old 04-06-2001, 08:41 PM
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'94 S500: only 793 sold!
 
Join Date: Mar 2001
Location: San Diego, CA
Posts: 1,925
MegaChip

The MegaChip site is a gas! The unit 'reprograms' the digital speedometer from the **38pin diag connector** without removing or touching anything!

Sent an email to see how much the MB device costs. Here's their reply.

Thank you for your interest in our product. The price for the MB Compact is US$ 2.000 Dollar + S & H.
Our sales manger will be in the USA/New York on 7. + 8. April 2001, when you like you can meet him there. They will stay in the Intercontinental Hotel New York, 111 East, 48.Street. You can call then on the phone no.: 0049-(0)171-7731630.
Our term of payment is only cash in advance on our bank account.

Sincerely

i.A. Christiane Ritter
Megachip

Well, at $2.00 I'll buy one for each of us here. Except that it's $2,000 each. Gulp! But nice tool to have in your
toolbox!

Won't work on my '94 but '95s and on sb ok.

[Edited by JimF on 04-06-2001 at 07:55 PM]
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  #13  
Old 04-07-2001, 11:30 AM
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I wondered if anyone actually would go to the sites. We will probably purchased such tooling in the next year or two. There always seems something more important (and expensive) in the way; currently it is the MB scanner SDS at over $20k.

While MBs scanner will allow one time mileage changes to a new unit, BMWs will have to have their instrument cluster sent to the factory to reset a new speedo to old mileage. The use of used speedos is even more interesting in that on some models the chassis number is also encripted into the chip.
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