Fuel delivery slotted wrench for lock ring on fuel pump/sending unit. 

Special designed to remove and install the fuel tank lid on B-enz diesel or petrol engine, used for Be-nz 164 166.

Size:1/2" drive 22 points

Application Detail: 

Benz M-Class W164 from 2005-2011 and R-Class W251 Chassis.

For:R500 R550 R63 GL500 GL550 GL320  GL420/450 ML280/300  ML320 ML450 ML500

For Au-di: A6L 2.4

Feature:

• 1/2" dr. 22 points
• External diameter 190mm, Internal diameter 145mm