All of the following blades for the Mercedes-Benz M Class SUV 1998 to 2005 (163) will fit, this model requires a 22" wiper blade on both the drivers side and the passengers side. This model uses the Standard Hook arm attachment to fix the blade to the wiper arm, there is also the option of upgrading to the newer Retrofit style wiper blade. We also offer a rear screen wiper for this M Class which can be viewed by clicking on the Rear Screen Wiper Blade tab below.