2009 Mercedes R-Class Owner's Manual - Page 366

Practical hints Replacing wiper blades Installing wiper blades Front wiper blades X X Check whether the wiper blade is securely fastened. Fold the wiper arm backward to rest on the windshield. Make sure you hold on to the wiper arm when folding it back. ! Make sure the wiper blades are properly installed. Improperly installed wiper blades may cause windshield damage. 1 Wiper arm 2 Wiper blade X X X Rear wiper blade 1 Wiper blade 2 Attachment 3 Guide tab 4 Opening X Fold wiper arm 1 away from the rear window until it engages. Turn wiper blade 2 as far as it will go. Hold wiper arm 1 and disengage wiper blade 2 by carefully sliding it in direction of arrow. Remove wiper blade 2. X With guide tab 3 sliding into opening 4, place wiper blade 1 onto wiper arm in direction of arrow. Fold wiper blade 1 towards wiper arm. Tabs 2 (Y page 363) must engage into both recesses of attachment 2. 1 Wiper arm 2 Wiper blade X 364