Easy to use: The graduation range at the fluid tip (plastic dipstick end) is from 25 (low) to 80 (high). Dual measuring scale for added convenience. Application: Designed to measure transmission oil level. To determine the fluid level for Mercedes with electronic transmission 722.6. Customer service: If you have any questions about installation or product quality, please contact us promptly. We will resolve them as soon as possible. Function: With this replacement dipstick, you can easily check the oil level and quality without costly workshop visits. Strict testing: Pre-quality testing; the factory adheres to strict quality control standards for multiple tests to ensure a long service life.