What battery does Mercedes key take?
CR 2025
The battery type for your Mercedes-Benz key fob should always be CR 2025. The Smart Key uses two 3-volt CR 2025 batteries while the Chrome Key uses just one. These are the small flat silver batteries you can find at most grocery stores and hardware stores.
What kind of battery is in key fob?
CR2032
The most common types are CR2025 and CR2032 3-Volt batteries. You can find the exact type in your vehicle’s owner’s manual, or by checking what kind the old key fob battery is after removing it. No matter which type you need, you can find a new key fob battery for your car at your local AutoZone.
How long does a Mercedes key battery last?
three to four years
These key fob batteries generally last three to four years before needing to be replaced. Wondering when to replace your key fob?
Can I replace the battery in my key fob?
Yes, it is possible to replace the battery in your key fob, and it’s easier than you think. All you need is a small, flat-tipped screwdriver and a new battery.
How long does Mercedes key battery last?
How do you change the battery in Mercedes Benz key?
How to Change a Mercedes-Benz Key Battery For Your SmartKey®. Step 1: Hold the key in your hand by the keychain. Step 2: Pull the sliding tab, and pull out the valet key. Step 3: Move the valet key to the opposite side of where it can be fully inserted, then push down. Step 4: Remove the key backing, and replace the battery. Step 5: Reassemble the SmartKey®, then test for proper functionality.
How do you replace the battery in a car key fob?
To replace the battery simply open the fob in half using a flat head screwdriver. Depending on which car key you have, you may need to lift out the circuit board of the remote to reveal the battery. Again, using a flat head screwdriver lift out the battery from its housing and fix in the new battery.
What is the best battery for a Mercedes Benz?
Optima has long been known as one of the “best” battery brands. If you are an Optima loyalist, you may want to go with Optima 8004-003 34/78 RedTop Battery. It has 800 cold cranking amps, which is enough to crank diesel, V8 and V12 Mercedes-Benz cars.
Does remote car key have battery in it?
Car key remotes typically use CR2025 or CR2032 batteries, although CR1620, CR1632, and others are also used in some applications. Once you know what type of battery is in your remote, you can either check the voltage with a multimeter or just swap out a known good battery since they aren’t that expensive.