1.Made of high quality ABS compatible with enhancing strength, durability and shifting speed.2.Enhance shifting more smoothly and quickly into the box.3.Just a trifle, but can change the APPEARANCE OF THE INTERIOR4.Improves driving experience and hides the real mileage of your vehicle5.This is unthreaded type shift knob.Easy to install,take off the gear shift knob,then insert this knob into gear shift lever.Specification:Product Name:Gear Shift KnobThread : NOReference Part Number:866789887Fit compatible with : compatible with Automatic Transmission,Does not fit compatible with Manual Transmission (MT)Fitment:compatible with Mercedes Smart compatible withtwo 450 9/1998-6/2014Colour:BlackMaterial:ABS plasticHeight : 41.8mm/1.64inMount Hole Diameter : 6.5mm/0.25inPackage Contents:1 x Gear Shift Knob(The Compatibility Is Just compatible with Reference. Please Compare The Part Number With Your One Becompatible withe Purchasing)Only the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.