I would still check with PP it shows an adapter for the 140
http://www.performanceproducts4benz.com/productpage.aspx?pid=110835&name=Shift+Knob+Adapters
, MB only would know about official items. The proceedure was to push it down in "d" and twist, hefty spring, soak it down with penatrant. Still the same caviat on breaking the yoke!