How to Change 2019 Mercedes Key Fob Battery

Changing your 2019 Mercedes key fob battery is a quick and easy process that can save you time and money. Knowing How To Change 2019 Mercedes Key Fob Battery yourself can prevent being locked out of your car and avoid costly trips to the dealership. This guide will walk you through the simple steps involved, and highlight some common issues and solutions.

Changing a key fob battery might seem daunting, but with the right information, it’s a breeze. We’ll cover everything from identifying the correct battery type to ensuring the key fob continues to function correctly after the battery replacement.

What You’ll Need to Change Your 2019 Mercedes Key Fob Battery

Before you begin, gather the following items:

A new CR2032 battery
A small flathead screwdriver or the key tool provided with your Mercedes
A soft cloth or microfiber towel (optional, to protect your key fob)

Step-by-Step Guide: How to Change 2019 Mercedes Key Fob Battery

Locate the release button: On the side of your key fob, you’ll find a small release button. changing battery in mercedes key fob
Release the emergency key: Press the release button and slide the emergency metal key out of the key fob.
Open the key fob: Use the emergency key or a small flathead screwdriver to gently pry open the key fob casing at the designated notch. Be careful not to damage the plastic.
Remove the old battery: Once the key fob is open, you should see the CR2032 battery. Carefully remove it by gently prying it out with your tool or fingernail.

Removing the Old Mercedes Key Fob Battery: This image shows a person using a small flathead screwdriver to carefully pry the old battery out of the key fob.

Install the new battery: Place the new CR2032 battery into the compartment, ensuring the positive (+) side is facing upwards.
Close the key fob: Snap the two halves of the key fob casing back together until they click securely into place.
Reinsert the emergency key: Slide the emergency key back into its slot.
Test the key fob: Try locking and unlocking your car using the key fob to ensure the new battery is working correctly.

Common Issues and Solutions

Key fob not working after battery change: This could be due to improper battery installation or a faulty new battery. Double-check that the battery is installed correctly and try a different new battery if necessary. changing battery on a mercedes key fob
Key fob casing damaged during battery change: Using excessive force can damage the key fob casing. Apply gentle pressure and be patient when opening and closing the casing. changing a battery in mercedes key fob
Difficulty opening the key fob: If you’re having trouble opening the key fob, try using a slightly different angle or a different tool. Sometimes, a plastic pry tool can be helpful.

“Many owners overlook the simple task of changing their key fob battery until it’s too late. A quick five-minute battery change can save you a lot of hassle in the long run,” says John Davis, a seasoned automotive technician with over 20 years of experience.

Why is my Mercedes key fob not working after changing the battery?

Sometimes, a key fob needs to be resynchronized with the car after a battery change. Consult your owner’s manual for specific instructions on how to resynchronize your 2019 Mercedes key fob.

“Regularly checking and changing your key fob battery can prevent unexpected lockouts and maintain the smooth operation of your vehicle,” advises Sarah Miller, an automotive electronics specialist.

In conclusion, changing the battery in your 2019 Mercedes key fob is a straightforward process that anyone can handle with a little guidance. By following these simple steps, you can save yourself time and money and keep your Mercedes key fob working perfectly. mercedes gle key fob Remember to always use the correct battery type (CR2032) and be gentle when handling the key fob casing.

FAQs

How often should I change my Mercedes key fob battery? Every 2-3 years, or when you notice the key fob’s range decreasing.
What type of battery does a 2019 Mercedes key fob use? A CR2032 battery.
Where can I buy a replacement battery? Most electronics stores, auto parts stores, and online retailers sell CR2032 batteries.
Do I need to reprogram my key fob after changing the battery? Usually not, but in some cases, resynchronization may be necessary.
What if my key fob still doesn’t work after changing the battery? Check the battery installation, try a new battery, or consult your owner’s manual or a qualified technician.
Can I damage my key fob by changing the battery myself? It’s possible to damage the casing if you use excessive force. Be gentle and patient.
How do I know if my key fob battery is low? You may notice a decreased range or intermittent operation.

Other topics that might interest you:

Programming a new Mercedes key fob
Troubleshooting common Mercedes key fob issues
Replacing a lost or damaged Mercedes key fob

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