Having trouble with your 2013 Mercedes e350 key fob? A dead battery is often the culprit! Thankfully, replacing it is a quick and straightforward process you can do yourself, saving you a trip to the dealership.
This comprehensive guide will walk you through each step of changing your 2013 Mercedes e350 key fob battery, ensuring you’re back to effortlessly unlocking and starting your car in no time.
Identifying Your Key Fob Battery
Before you begin, you’ll need to know what kind of battery your key fob needs. The 2013 Mercedes e350 typically uses a CR2025 battery, a common type found at most electronics and grocery stores.
Gathering Your Tools
You’ll only need a couple of things for this simple task:
- A new CR2025 battery
- A small flat-head screwdriver (A coin or similar object can also work in a pinch.)
Step-by-Step Battery Replacement Guide
Ready to replace that battery? Here’s a detailed breakdown:
- Locate the release button: Look for a small button on the back of your key fob.
- Release the emergency key: Gently press the release button and slide the emergency key blade out of the fob.
- Open the key fob: Use your flat-head screwdriver (or coin) to carefully pry open the key fob casing at the seam where the emergency key was located. You should hear a slight click when it separates.
- Remove the old battery: The CR2025 battery will be visible. Note the position of the positive (+) side, usually facing up. Carefully remove it.
- Insert the new battery: Place the new CR2025 battery in the same orientation as the old one, ensuring the positive (+) side is facing the correct direction.
- Reassemble the key fob: Align the two halves of the key fob and press them together firmly until you hear a click, indicating it’s securely closed.
- Reinsert the emergency key: Slide the emergency key blade back into its slot on the key fob.
- Test your key fob: Try locking and unlocking your car, and starting the engine to make sure the new battery is working correctly.
Troubleshooting Tips
If your key fob still isn’t working after replacing the battery, don’t worry! Here are some things to check:
- Battery orientation: Ensure the new battery is inserted correctly with the positive (+) side facing up.
- Key fob reassembly: Make sure the key fob is closed tightly and the emergency key is properly reinserted.
- Synchronization: In rare cases, you might need to re-synchronize your key fob with your car. Consult your owner’s manual for instructions specific to your 2013 Mercedes e350 model.
Conclusion
Replacing the battery in your 2013 Mercedes e350 Key Fob is a quick and easy DIY task that can save you time and money. By following this guide’s simple steps, you’ll be back to enjoying the convenience of your keyless entry system in just a few minutes.
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