Depending on the year and configuration of the attachment locations can vary.
Front bumper
-open the hood.
-under the hood with a flat head screwdriver release the latches that secure the upper part.
-Unscrew the screws and remove the motor protection.
-for protection Unscrew the two screws of fastening of a bumper.
-take out the caps in the lower part (inserted from the bottom up) holding the fender liner.
-wrenched the wheel to the side.
-wheel arches take out the caps and removed the wheel arches (the front part).
-for wheel arch liners Unscrew two screws on each side (spun upwards) holding the corners of the bumper to the wings.
-release the fasteners in the wings (pull down and towards you).
-with the assistant pulls the bumper forward (look for wires).
-release the connectors for fog lamps (easier to remove chocks from light bulbs), turn signals, Parking sensors and temperature sensor (if any).
-if you have headlight washers, disconnected the hoses.
Rear bumper
-open the trunk lid.
-in the trunk Unscrew two nuts, remove the two clips and remove the trim up the rear.
-for covering the back panel, through the holes, Unscrew the two nuts.
-through the opening in the right trim trunk releasable connectors sensors.
-Unscrew the screws around the perimeter of the bottom (spun up).
-wheel arches take out the caps, Unscrew the screws and removed the fender liner (rear part).
-for wheel arch liners 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) and under the rear lights.
-with the assistant pulls the bumper backwards (look for wires).
-take out the plugs of electrical equipment.
How to remove front and rear bumper Mercedes CLS C219