I pulled a speedometer from a 300SE - PeachParts Mercedes-Benz Forum

LUVMBDiesels · #1 08-28-2007, 09:45 AM

I was at the bone yard yesterday and pulled a speedometer from a 1984 300SE

The part numbers are
front: 126 542 73 57
back: GR 203/1/146 K=11288

Is there any way to determine the rear end gear ratio that this speedometer
is calibrated for? I am going to swap my rear end for a 2.47:1 unit and I am hoping that this speedometer will be for that ratio.

Thanks!

LUVMBDiesels · #2 08-29-2007, 12:44 PM

Bump

zcc · #3 08-29-2007, 04:10 PM

There is no 300SE in 1984, it started by 1986!

LUVMBDiesels · #4 08-29-2007, 05:45 PM

So the bone yard was wrong.... It had 1984 painted all over it

Does anybody know the rear end gear ratio for this car?

Chris Bell · #5 09-01-2007, 02:49 AM

Quote:

Originally Posted by zcc

There is no 300SE in 1984, it started by 1986!

Actually the W126 300SE/SEL was made from 1988 to 1991.

Snibble · #6 09-01-2007, 10:15 PM

Quote:

Originally Posted by Chris Bell

Actually the W126 300SE/SEL was made from 1988 to 1991.

It came out in 1986. 1988 was the first year for US spec.

LUVMBDiesels · #7 09-02-2007, 11:17 AM

OK, Ok... can we stop arguing over the year of the car and find out what gear ratio this speedometer supports?

I want to put it in my 300SD (lottsa laughs as it is a 160mph speedo) when I install the 2.47:1 differential I have been sitting on for a year.

Will this work, or do I need to find a 420SEL with a 120mph speedo?

Thanks,

Joe

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