I seem to remember seeing a chart that showed the differences in the auto and manual transmission gear ratios available in the W201 cars, depending on whether the car was a gasser or a diesel. The same chart may have included the various rearend ratios supplied with the cars, again depending on whether they were manual or auto, diesel or gasser.

I have searched and not been able to find this info - can anyone help?

Of particular interest would be the tranny and rearend ratios for an '84 190D 2.2 with both possible configurations (automatic or 5-speed).

Steve.

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'93 190E/D 2.5 Turbodiesel 5-speed (daily driver)
'87 190D 2.5 Turbo rustbucket - parts car
'84 Dodge Rampage diesel - Land Speed Record Holder
'13 Ram 2500 Diesel
'05 Toyota 4Runner

Try this for the rear end ratios.
Speedometer swap question - different max speeds

I believe the rear end ratio was the same for the 190D-2.2 in either auto or 5-speed form. I have a spreadsheet at home somewhere with the transmission gear ratios in it as well. If you need it let me know and I will try to find it.

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1989 250TD Wagon 5-speed, 160,000mi ::: Dark gray metallic / black cloth
1984 190D-2.2 5-speed, 287,000mi ::: Silver-blue metallic / black MB-tex ::: SOLD

Thanks for the link, Cornblatt. That's quite helpful. I see that the 2.2 diesel is not included in the chart.

It's my understanding that the diesel specific 5-speeds have a lower first gear than the gassers, but I can't find the numbers now. If you can find that spreadsheet easily, I would really appreciate the information.

I'm about to take delivery of a 190D 2.5Turbo car with a bad transmission. I'm trying to figure out what I want to do with it - replace/repair the automatic, or do another 5-speed swap. I did a 5-speed swap into another 190D 2.5T, using a gasser 5-speed and the stock 2.65 rearend. This made for a very "long legged" car, but it was very sluggish from a dead stop.

Thanks again for the info.

Steve.

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'93 190E/D 2.5 Turbodiesel 5-speed (daily driver)
'87 190D 2.5 Turbo rustbucket - parts car
'84 Dodge Rampage diesel - Land Speed Record Holder
'13 Ram 2500 Diesel
'05 Toyota 4Runner

I can give you the '87 US ratios, hope it helps:

190E 2.3: 3.27:1
190E 2.6: 3.27:1
190D 2.5: 3.42:1 (manual)
190D 2.5: 3.07:1 (auto)
190D 2.5 TURBO: 2.65:1

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Gone to the dark side

- Jeff

The 2.2 is in the chart, but it's mysteriously filed under the pink 190D-2.0 column for some reason. It is 3.42.

I think that is correct; according to the info I have, the 190D-2.2 is as follows:
190D-2.2 5man: 4.23 2.36 1.49 1.00 0.84 diff:3.42
190D-2.2 4auto: 4.25 2.41 1.49 1.00 ---- diff:3.42

The gas model (2.3) is:
190E-2.3 5man: 3.91 2.17 1.37 1.00 0.78 diff: 3.27 up to Aug-89
190E-2.3 5man: 3.91 2.17 1.37 1.00 0.81 diff: 3.42 from Sep-89

The 190D-2.5 is
190D-2.5 5man: 3.91 2.17 1.37 1.00 0.78 diff: 3.64
190D-2.5 4auto: 4.25 2.41 1.49 1.00 ---- diff: 3.07

Also of interest might be this info for the euro 2.5 turbo 5 speed:
190D-2.5T 5man (euro): 3.86 2.18 1.38 1.00 0.75 diff:3.46
190D-2.5T 4auto: 4.25 2.41 1.49 1.00 ---- diff: 2.65

So, the rear end from a 190D-2.2 plus the 5-speed transmission from an early 190E-2.3 would give you something very close to what a factory-spec euro 190D-2.5T 5-speed was like.

I copied down all of this info a few years ago from a Polish website that no longer exists, so I can't confirm its accuracy. I did save copies of all of the web pages though, so if you need more info, I might be able to find it in the pages I saved. Let me know if you need anything else!

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1989 250TD Wagon 5-speed, 160,000mi ::: Dark gray metallic / black cloth
1984 190D-2.2 5-speed, 287,000mi ::: Silver-blue metallic / black MB-tex ::: SOLD

That is excellent information. Thank you very much Cornblatt. You are "The Man". I'm glad that someone in Poland took the time to compile that information.

Now I have a much better idea of what my options are for both cars.

One last question - do you have any idea about whether it's possible to retrofit a 5-speed 2.2 L car with an auto trans. My main concern is the vacuum control going to the transmission. I'm not sure if the 5-speed IP's are capable of being converted for use with an automatic.

SteveM.

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'93 190E/D 2.5 Turbodiesel 5-speed (daily driver)
'87 190D 2.5 Turbo rustbucket - parts car
'84 Dodge Rampage diesel - Land Speed Record Holder
'13 Ram 2500 Diesel
'05 Toyota 4Runner

Thanks very much from six years in the future!

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"Senior Luna, your sense of humor is still loco... but we love it, anyway." -rickymay ____ "Your sense of humor is still loco... " -MBeige ____ "Señor Luna, your sense of humor is quite järjetön" -Delibes

1982 300SD -- 211k, Texas car, tranny issues ____ 1979 240D 4-speed 234k -- turbo and tuned IP, third world taxi hot rod

2 Samuel 12:13: "David said to Nathan, “I have sinned against the Lord.” And Nathan said to David, “The Lord also has put away your sin; you shall not die."

I own a 2.2 L auto and a 2.5 turbo with a 5-speed manual conversion using the 3.27 differential from the 2.3 gas tranny donor. The 3.27 diff works out well with the 2.5 turbo and increased highway MPG's by 20+% along with lowering cabin noise from the decreased RPM's.

Even though my auto tranny operates as designed, the lack of an overdrive spins the motor too high at highway speeds. I would swap this car to a manual also if I can find a donor within my pirce range. Can't imagine anyone wanting to go in the opposite direction?

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You can't always get what you want, but if you try sometime you just might find you get what you need.

Several months into driving my 190D 2.5 Turbo since the 5 speed conversion...couldn't be happier. Car is fast through the gears...easily chirps the tires on first to second upshift when driven aggressively, and I have seen some amazing mileage increases too. Prior to the change, the highest I was ever able to eke out of the automatic was right around 35 mpg with very conservative driving and speeds no higher than 60 to 65. With the 5 speed, I have seen two tanks higher than 40...one at 44.8 mpg! Those were achieved with conservative driving, keeping revs low when upshifting and speeds no higher than 60 to 65. I am always careful in topping off consistently after each fillup so my results are not caused by an inconsistent fill level tank to tank.

As for my gearing- I went with the drivetrain a 1992 190e 2.6 Sportline. 5 Speed ratios were: 3.86 2.18 1.38 1.00 0.80, axle ratio was 3.27 which equates to a 2.616 final drive This setup is virtually identical to the euro version which has gearing of: 3.86 2.18 1.38 1.00 0.75, with an axle ratio of 3.46, which equates to 2.595 final drive. The difference is that my gearing in 1st through 4th gears are a little taller than the euro version which probably gives me better mileage because my revs will be lower, but at the expense of a little acceleration capability. This is fine with me as I am looking for better mileage overall anyway- the car is plenty fast as it is.

All in all this has been a completely fantastic change for me with no regrets...a shame these cars didn't come here with the 5 speed arrangement to begin with. About the only negative has been the fact that it is tougher for me to juggle driving while manually shifting and holding a cup of my favored Dunkin Donuts Java!

J.G.

Jay - Do you have any vibrations when in 3rd or 4th gears and the PRM's drop below 1800/2000? It seams like the 2.5 would have plenty of torque at those levels?

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You can't always get what you want, but if you try sometime you just might find you get what you need.

I have no substantial change in vibration at all...the only thing I do notice on occasion is a slight harmonic thum (nobody notices it but me) at some highway speed rpms...I'm sure it is because I didn't have the driveshafts balanced- I used the 190E 2.6 front driveshaft and my original rear driveshaft...probably should have used the donor rear shaft as well. If I get really anal about it I may try swapping my rear driveshaft for the donor one or have the current setup balanced. It really is not, however, anything that NEEDS attention. I am just a damn anal perfectionist in all I do!

J.G.

Don't sweat the driveshaft. On my 5spd swap I used the 190e front driveshaft and a 260e auto rear DS.
I bet you could go for a taller diff and reduce fuel consumption even further without any loss in acceleration. 2.65 in mine is perfect.

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CENSORED due to not family friendly words

If I could find a diff somewhere between my 3.27 and the auto's 2.65 I'd probably do it. I think the 2.65 will be a little too tall for around town driving. Or if I could source the .75 5th gear from the euro model trans to replace the current .80 in my trans now, and use my current 3.27 axle, that would probably be perfect for me.

J.G.

Since you already have a 190e 2.6 diff and axles, a 300e 3.07 would drop right in. Only other change required is the speedometer of course which can be swapped between the W124 and W201 clusters.

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CENSORED due to not family friendly words

Hmmm...hadn't considered the W124 3.07. I thought they had different a mounting setup and bolts wouldn't align properly in the rear subframe??....Also- will the W124 speedo actually fit in the W201 cluster? I thought they were different as well...