How do you Add transmission fluid to a gl450?

To add Transmission Fluid to a Mercedes-Benz GL450, first ensure the vehicle is on a level surface and the engine is warm. Locate the transmission dipstick, usually found near the engine bay, and remove it to check the fluid level. Use a funnel to add the appropriate type of transmission fluid through the dipstick tube, ensuring not to overfill. After adding fluid, recheck the level with the dipstick and ensure it’s within the recommended range.