Front bumper
To remove the front bumper need to Unscrew the four nuts and eight bolts.
-remove decorative grill (attached with snaps).
-under the grille, Unscrew the two bolts.
-the left and right sides remove fog light (nominated for the levers).
-under the fog lights, Unscrew one bolt.
-Unscrew one bolt holding the corners of the bumper to the wings (spun up).
-pulls the corners of the bumper to the side and Unscrew the two nuts on each side.
-in the lower part of the bumper, Unscrew the two bolts (if any)
-with the assistant pulls the bumper on itself with the side rails .
Rear bumper
The bumper is very simple, you need to Unscrew the four nuts.
-on the sides remove the cap (indicated by arrows) (attached to latch).
-under plugs Unscrew one nut on each side.
-in the middle, at the bottom of the bumper we release the cover (fastened to the latches).
-under the cover Unscrew the two nuts.
-pulls the bumper with the side rails at yourself (do it better with an assistant, so as not to scratch the paint) .
-in the left corner of the bumper, remove the connector from the radio antenna (if any).
-remove connector from the PDC (if any).
-the bumper is cleared.
How to remove front and rear bumper Mercedes M-Class W164, GL X164
How to remove front and rear bumper Mercedes M/GLE W166, GL/GLS X166