Mercedes Benz 722.6 Automatic Transmission Dual Scale Fluid Dipstick 1220mm 140589152100 PLEASE NOTE: This tool MUST be removed from the dipstick tube after use. It is NEVER meant to be left in. The tool is designed to measure the fluid level of transmission while engine is running and gear in PARK. Dual gauge markings: Range for the ambient 25C (75F) range , Range for the hot 80C (176F) Also back side has 1-10 markings for Benz Technicians Full length:1220mm (48")