Mercedes-Benz Check Battery Voltage No Tools Required
How can I check the battery voltage of my Mercedes-Benz without any tool? Follow the procedures below to learn how to check the voltage of your Mercedes-Benz Battery. This guide provides instructions on how to check the battery voltage of the Mercedes-Benz via the Instrument Cluster.
Procedure
- Push the start button once. If you are using a key, turn it in with just one click.

- Locate the Vehicle data on your cluster. Go to the trip menu on your cluster using the left and right arrow buttons on your steering wheel. Then, the next step is to push the phone button on the right side of your steering wheel and push the ok button on the left side, holding them both for 5 seconds. Vehicle data will come up on the cluster.

- Once the vehicle data comes up, push the ok button on your steering wheel, and you will immediately see the battery voltage. If not, use the arrow keys to scroll down until you see the battery voltage on the cluster.

- Start the engine. When you start your engine, you will see a voltage drop, but it will jump up within seconds. Your vehicle’s voltage should be 13.8-14.7 volts; if the voltage is low, your vehicle has an electrical issue, such as a bad alternator or voltage regulator.

We hope you find the Mercedes-Benz Check Battery Voltage No Tools Required guide helpful. Check these troubleshooting and repair guides for more help on your Mercedes-Benz.





