300ce Transmission Upgrade - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 06-26-2009, 12:36 PM Thread Starter
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Date registered: Jun 2009
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300ce Transmission Upgrade

Does anyone know of a transmission upgrade for a 1991 300CE Coupe which would require little or no fabrication. My 300ce requires 3100rpm to achieve 70mph so I assume it has no overdrive. Is this normal? Would a newer transmission upgrade be possible which would improve my fuel efficiency?


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post #2 of 2 (permalink) Old 06-27-2009, 08:18 PM
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Date registered: May 2005
Vehicle: '07 GL320CDI
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This is normal for W124.

Mercedes FINALLY went to lower highway gearing with the 5-speed auto in the W210.

You should get a W210 or W208 or W209 because you can't put the 5-speed in your car for less than it would cost you to trade cars.

Kent Christensen
'07 GL320CDI
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