What to Do When Mercedes-Benz Cannot Detect the Key and Fails to Start?
1 Answers
Here are the solutions when a Mercedes-Benz cannot detect the key and fails to start: 1. Key battery dead: Replace the battery in the key. 2. Vehicle computer program issue: Some signal recognition and conversion in the vehicle are executed through software programs; you can visit a 4S shop to upgrade the program. 3. Poor contact of the key battery: Open the key and reposition the battery. 4. Signal interference: Some locations have high signal shielding intensity; try different directions and distances. 5. Vehicle battery dead: Fully charge the vehicle battery.