YOU ARE PURCHASING A 2005 MERCEDES BENZ R230 SL55 AMG TIRE PRESSURE CONTROL MODULE IN PERFECT WORKING ORDER AND CONDITION. PART# PRESSURE CONTROL MODULE 315 MHZ A0028209926 WILL FIT ALL MERCEDES BENZ: 2003-2011 R230 SL500 SL55 AMG SL550 SL600 SL63 AMG SL65 AMG WILL ALSO FIT: SLR COUPE PARTING OUT SL AMG. MERCEDES - MANY PARTS AVAILABLE. CALL FOR PRICING (613) 761-XXXX THANK YOU.