If you are refering to MDS , all 05+ 5.7L Grands with the Hemi have it .
You can use your vin and get a build sheet from Jeep or off the internet and that will tell you all the options your vehicle came with from the factory .
5 and counting :05 WK 5.7 HEMI
90 YJ Islander 4.2L
94 ZJ Ltd 5.2 ,00 WJ 4.0
2010 MK Patriot