How to Replace the Battery in a 2012 Mercedes-Benz Maybach 62 Key Fob

How to Replace the Battery in a 2012 Mercedes-Benz Maybach 62 Key Fob

Keyless entry remote grant access to your car. If the key battery is dead or weak you will lose your keyless entry fob's ability to control remote functions. In this post, we outlined how to disassembly your car key fob and change your Mercedes-Benz key battery.

What kind of battery key fob use

Prior to open keyless entry remote check all that you need: flat head screwdriver and CR2025 batteries.
  • 2xCR2025 batteries
  • flat head screwdriver

Simple steps to replace the battery in your car's remote key fob

A button cell battery installed in the your remote key fob. Remove any internal key before you try to pry apart the keyless entry remote.

Accurately try to open your key with hands or flat head screwdriver. Replace 2 CR2025 batteries with flat head screwdriver.

Get new batteries and install it inside fob’s body. Every battery has a negative and positive side and if you put the wrong connector down, the charge cannot go into your circuit board and make it work. Check polarity on battery, by "+" mark.

When the new batteries installed, verify keyless entry remote by pressing buttons. If all functions works, assemble your keyless entry fob's body in reverse order.

At this point squeeze fob’s back cover together. Line your body two halves together and assemble it together by hands from top to bottom. If your fob body firmly closed, we done. If not, repeat the last step.

Key Fob Battery Replacement 2012 Mercedes-Benz Maybach 62 Video

How to Change the Battery in a Mercedes-Benz Key Fob

Still not working? Buy new one


Key fob of Mercedes-Benz Maybach 62 require 2xCR2025 batteries. Most CR2025 batteries are under $4-6 build upon the brand, size packaging and type you buy. Take your old battery to the store, with you to find a proper replacement.

Usually, after remote key fob battery change, reprogramming not required. Keyless entry remote reprogramming procedure often described in user's manual of your vehicle.

Replacing your keyless entry remote battery is easy to do in 2012 Mercedes-Benz Maybach 62. Most of car manufacturers think of the clients and make a special hole for remote key fob disassembly.

The price to replace the battery in key is in range from $30 to as high as $500 depending on the car and the service pricing.

Key fob batteries in Mercedes-Benz Maybach 62 should be changed every four years, also this will differ based on their amount of use and build quality. If your key fob decreased signal strength, you should replace batteries before it stop close doors and make trouble for you.

If your Maybach 62 need multiple clicks to unlock or lock doors, fob's battery more than 4 years old, has low key battery indicator on dashboard or signal strength reduced, it's probably battery replace inside remote key fob needed. Installed battery is discharged with a high probability, but if it's not fix problem, key change or repair required.
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Other Mercedes-Benz Models:

Fob Compatibility:

  2. Models: 2003-2012 Mercedes-Benz Maybach 62