Mercedes-Benz GLK 300 shows how these two fault codes work. The air flow of 08 10 secondary intake system (cylinder bank 1) is too small.

Mercedes-Benz GLK 300 shows how these two fault codes work. The air flow of 08 10 secondary intake system (cylinder bank 1) is too small. 08 14 is that the air intake is too small, which mostly occurs when the vehicle is idling, and can be solved by cleaning the throttle. The specific operation steps are as follows:

1. Remove the throttle hose.

2. Open the throttle.

3. Clean with a brush.

4. Spray with detergent.

5. Replace the hose and it's done.