Hi,

I'm doing some work on a W111 250 Cp rear axle. It has been messed a bit with, found different type bearings (one roller and one ball bearing) One anchor plate is from a W108 etc.

The question is about the lenght of the axle shafts, I think the left should be longer than the right? They are both equally long. Maybe someone has been improvising here?

Hope someone can enlighten me.

Regards,
Karsten

According my book the left axle should be longer, so apparently two right side axle shafts has been mounted.....

I'll have to see if the axle shaft from my spare rear axle will fit. It is an older one with drum brakes, but I hope the axle shafts are compatible. Changes to the splines were made at some point, I know.

Karsten

That is a swing axle , 3:92. Should be disc.
The RH axle is roller and the LH is ball.
Does the RH axle have a circlip on the end for the slide joint??

Yes it has disc brakes. Interesting that the roller and ball bearing combo is original, I would not have guessed this. Is it specific for this axle version? I do not notice it mentionend in my W111 book?

Here are pictures of the axle shafts:

Axle1

Axle2

Axle3

At picture "Axle3" you can see that the axle has not been riding on the full lenght of the spline.

Thanks, Karsten

The rh axle bearing is a roller/self centering type cuz this side goes through an arc and the pivot is under the C/L ... so , without this, you can get knocking, specially going around a right turn with negative camber..
The left side does not need this as the bearing and axle are always fixed to the outer tube/position..[ i.e. - they swing as a unit with the whole diff case]

But , I have seen guys replace it with the standard ball type. mostly due to cost and the roller is hard to find. [ SLS has them] without problems.
I would not do it myself.

Anyway, I think someone may have replaced an axle at one time .
The reason I ask about the circlip [ you do not have ] is cuz on those all axles were same size. That would be 280 version , I believe..

What does your comment about 108 mount refer to???
..and what is the problem with the rear?????

I could possibly reuse the old roller bearing, it does not seem worn at all. I will of course clean and inspect it first.

The question regarding the axle shafts is because my book states " There is a difference in the lenght of the rear axle shafts. The longer shaft should be installed left side" But these shafts are equally long?

The 108 comment refers to the anchor plate (the plate where the hand brake shoes are mounted) left side has a 108 number. I guess this is just the new type made from pressed sheet metal. The older one is casted iron.

Regards,
Karsten