WORKS ONLY WITH ORIGINAL drain and fill plugs. 1970s through 2000s-- check your size needed BEFORE ordering if you have a Mercedes not listed below
Works on W114, W115, R107, W116, W123, W126, W201, W124, W140, R129 as well as most of the models through the 2000s. will 14mm hex plugs. This wrench is used when changing the fluid in your rear end. Will work on manual transmission with 14mm drain plug only.
14mm Hex Short Handle Rear Drain Plug Removal Tool
$12.95
SKU:
TUL-14HEX 
Product Details
The handle is short for clearing but to get the torque you may need to remove install short pipe or a long box wrench to give you the leverage you need.
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Rear Differential Threaded Stainless Steel Fill or Drain Plug
Most Mercedes from the 70s up through the teens. Check your size if in doubt. 24x1.5 Stainless tapered Metric Drain Plug
When it is time to change the rear end fluid, why not get rid of your old rusty drain plug(s) and replace one or both with stainless steel plugs?