would anyone on the forum know what option 211 on a 1991 300d 2.5 included,i am about to go blind trying to find on my own,thanks
larrt perkins lou ky

Automatic Limited Slip Differential (ASD).

See: http://www.bekkoame.ne.jp/~mtor/mbcodedsc.html

__________________
'81 MB 300SD, '82 MB 300D Turbo (sold/RIP), '04 Lincoln Town Car Ultimate

Sooner or later every car falls apart, ours does it later!
-German Narrator in a MB Promotion Film about the then brand new W123.

looks like i have found the unit that i want to use on the drag car unit,that car has the 3.75 rear end,now got to figure out how the locking part works.
thanks again,i look for 2 hours and you find it in a few seconds.
larry perkins lou ky

Go to Dave/GXSR's web pages / photos, I believe he has pictures of modifying an ASD diff for a non-ASD car.

__________________

Gone to the dark side

- Jeff

if all is as the russian site says,this unit already has the asd,will report it as soon as i confirm.
would surely like to know how the asd works,i read a lot but even the cd manual i got dont go into detail about the mechanics of the thing.
help
larry perkins lou ky

If it has ASD, it will have the dual PS/Hyd pump like the one I sent you, and the hydraulic oil tank behind the left headlamp. Also a light-up triangle in the center/top of the speedometer, and an ASD warning lamp next to the glow-plug light.

__________________

Gone to the dark side

- Jeff