The concepts usually referred to as a passive DPF system. Off Road Only. There are various other benefits associated with EGR delete, which include: Contact us today for more information on the engines we service within the Mercedes brand and how our EGR delete, DPF delete, and diesel tuning Mercedes services can help benefit your diesel engine. "yes":"no",n=screen.availHeight-90,r=940;return window.innerWidth<1400&&(r=620),window.open(this.href,"shopperapproved","location="+e+",scrollbars=yes,width="+r+",height="+n+",menubar=no,toolbar=no"),o.stopPropagation&&o.stopPropagation(),!1}!function(){for(var o=document.getElementsByClassName("shopperlink"),e=0,n=o.length;e