Mercedes SLK P0171 und P0174 Diagnosevideo mit dem Launch 129evo (Mercedescode 0745 und 0749)

This Mercedes SLK has the check engine light (MIL) on and the following errors: P0171 and P0174 (Mercedes 0745 and 0749). If you want to purchase the tester, you can use the following link: To the tester: https://amzn.to/3wo0V21 Brake cleaner from Petec: https://amzn.to/3v8uc1K Silicone spray from Petec: https://amzn.to/38jWDkt Launch Europe Shop on Amazon: https://amzn.to/3zQbkV1 If you use these links to make a purchase, we receive a small commission, but your price remains the same.