When ever I have passengers in the rear or a full load and I try to accelerate or apply torque such as climbing an incline there is a shudder like a bad u-joint in the rear end. Any opinions would be appreciated. My mechanic says there are no u-joints.

1985 380 SE 192K

You have one u joint in the center of the driveshaft with the center support bearing. The bearing is on its way out along with the support more than likely.

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Benzmac:
Donnie Drummonds
1992 500E (very soon I hope :)
1981 280GE SWB
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM

<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by Benzmac:
You have one u joint in the center of the driveshaft with the center support bearing. The bearing is on its way out along with the support more than likely.
<HR></BLOCKQUOTE>

Thanks Benzmac, I know alittle about drive trains and that is what it felt like to me.