How often to change engine air filter on 1998 e320?

For a 1998 Mercedes-Benz E320, it is generally recommended to change the engine air filter every 15,000 to 30,000 miles, depending on driving conditions. If you frequently drive in dusty or polluted environments, more frequent changes may be necessary. Always consult your owner’s manual for specific recommendations and guidelines tailored to your vehicle. Regular maintenance helps ensure optimal engine performance and efficiency.