Depending on the year and configuration of the attachment locations are different.

Front bumper

-open the hood.

-under the hood, Unscrew the four screws that secure the grille and the two screws that secure the top bumper (depending on year of manufacture, if any).

-around the bottom part Unscrew the screws and take out the rivets that attach the fender liner, protection, and bumper.

-wrenched the wheel to the side.

-wheel arches take out the caps and removed the wheel arches (the front part).

-attach the fender liner to the side and Unscrew one screw on each side (spun upwards) holding the corners of the bumper to the wings and pulls on itself, clamping plates.

-release the fasteners in the wings, closer to the headlights (pull the corners apart).

-with the assistant pulls the bumper forward (look for wires).

-release the connectors on the Parking sensors, fog lights, temperature sensor (if any).

the attachment of the front bumper of the Mercedes R-Class W251

The scheme of fastening of the front bumper of the Mercedes R-Class W251

 

 

Rear bumper

⇒Tips for removing bumpers and how to avoid breaking anything..⇐

-open the trunk lid.

-in the side panels of the trunk, open the plugs and Unscrew them one nut on each side.

-Unscrew the screws (spun up) that secure the lower part.

-wheel arches take out the caps and removed the wheel arches (rear).

-move the wing flaps to the side and Unscrew one screw on each side (spun upwards) holding the corners of the bumper to the wings.

-we release the latch in the wings (pull the corners themselves).

-release the clips under the rear lights.

-with the assistant pulls the bumper backwards (look for wires).

-snap together the connectors of electrical equipment.

the attachment of the rear bumper, Mercedes R-Class W251

Diagram of rear bumper Mercedes R-Class W251