2007 Mercedes C-Class Owner's Manual - Page 377

Practical hints Replacing wiper blades Installing wiper blades Lift up the wiper arm as far as you need to position the wiper blade under the wiper arm and hold it. Slide the tab 2 back in direction of arrow 3 until it audibly engages. The wiper blade is locked. ! Hold on to the wiper arm. If released, the force of the impact from the tensioning spring could crack the windshield. Carefully fold the wiper arm back and make sure that the taper piece 4 slides into the recess 1 at the wiper blade. ! Make certain that the wiper blades are properly installed. Improperly installed wiper blades may cause windshield damage. 1 Recess 2 Tab 3 Locking 4 Taper piece 5 Square recess ! Make certain that the square recess 5 on the taper piece 4 is on the top, otherwise the taper piece 4 cannot slide into the recess 1 at the wiper blade. If the square recess 5 is not at the top turn the taper piece 4 around to bring the square recess 5 to the top. 376