How often do you change a serpentine belt on a Mercedes Benz 190E 2.6liter?

The serpentine belt on a Mercedes-Benz 190E 2.6 liter should typically be inspected every 30,000 miles and replaced every 60,000 miles, though this can vary based on driving conditions and usage. If you notice signs of wear, such as cracking, fraying, or squeaking noises, it's advisable to replace it sooner. Always refer to the owner's manual for specific recommendations and maintenance schedules. Regular checks can help prevent potential engine damage or accessory failure.