Mercedes-Benz Radiator Drain Plug SLK350 SLK320 SLK32 AMG SLK300 SLK280 SLK230 SL600 SL500 SL320 S65 AMG S600 S55 AMG S500 S430 S420 S350 S320 R63 AMG R500 R350 R320 ML63 AMG ML550 ML500 ML450 ML350 M Mercedes-Benz Radiator Drain Plug Manufacturer Warranty: 24000 miles or 2 years Please see Product Description below for vehicle compatibility