WHUNTER asked me to post this link.
So here it is http://www.evalbum.com/2155 It will do 65 on the freeway.
Range about 15-20 miles depending on the you drive.
If you shift like a gas car it is faster than the 4 cylinder that came out of it.
Add more batteries = more range and more speed.
Motor RPM 5200 all day long.
Drive in 2nd to about 40 MPH then shift to 3rd ...Ed

Having done this conversion, you can offer solid data on how it might be done on Mercedes chassis.




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Heat exchanger durability.
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1985 300SD
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I have no doubt that it can be done on any manual transmission Mercedes. I used the existing 5 speed and clutch. Some people dont use a clutch at all, they just shift. My first conversion was an old Nissan Sentra. The trans gave up after about a hundred miles. I took everything out of it and put it in the truck. ....Ed

Interesting conversion. Ed, did you think about using a salvaged traction battery from a hybrid car? They're becoming pretty widely available. I think it would jack up your voltage significantly.

Very cool! I always thought the w126 would be a great platform for an electric vehicle, even a diesel electric. Maybe someday when there is more money available...

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Current stable:
- 2004 Mazda RALLYWANKEL
- 2007 Saturn sky redline
- 2004 Explorer...under surgery.

Past: 135i, GTI, 300E, 300SD, 300SD, Stealth

I'm waiting for the price of lithium batteries to come down . Real dense charge and half the weight. Pound for pound lithium batteries would give me a range of over a hundred miles on a charge plus more voltage. The lead acid batteries weigh 63 pounds each. I have 14 of those.