What upgrades can boost the performance and mileage of the Mercedes GLK 350?

There are several upgrades that can boost the performance and mileage of the Mercedes GLK 350:

1. Performance Tuning: Installing a performance chip or ECU remapping can optimize the engine's fuel-to-air ratio, resulting in increased performance and better fuel efficiency.
2. Cold Air Intake: Upgrading the air intake system with a cold air intake can improve air flow, allowing the engine to breathe easier and potentially enhancing performance and fuel economy.
3. Exhaust System: Replacing the stock exhaust system with a high-performance exhaust can reduce backpressure, enhance engine efficiency, and boost horsepower and fuel economy.
4. Tires: Upgrading to high-performance tires with low rolling resistance can improve both handling and fuel efficiency.
5. Suspension: Replacing stock suspension components with high-quality aftermarket options can improve handling and stability, leading to better overall performance.
6. Aerodynamic Enhancements: Adding aerodynamic upgrades such as a front spoiler, rear diffuser, or side skirts can reduce drag and improve fuel efficiency.
7. Regular Maintenance: Staying up-to-date with routine maintenance like oil changes, air filter replacements, and spark plug replacements can optimize the engine's performance and fuel efficiency over time.

By considering these upgrades, you can enhance both the performance and mileage of your Mercedes GLK 350.