2005 Mercedes-Benz ML350 Key Fob Battery Replacement Instructions

2005 Mercedes-Benz ML350 Key Fob Battery Replacement Instructions

Key fob allow access to your Mercedes-Benz. When the remote key fob battery is dead or weak you lose your fob’s ability to control distance opportunities. In this post, you will benefit from knowing how to open your car key fob and replace a discharged battery DIY. If you gonna solve to do it at home near ML350, follow our instruction, but don't forget to check everything you need.

What size battery does 2005 Mercedes-Benz ML350 keyless entry remote required

Changing batteries in key fob require 2xCR2025 batteries and flat head screwdriver. Prepare these materials and tools before opening and make sure to match the size of your keyless entry fob's batteries.
  • flat head screwdriver
  • 2xCR2025 batteries

Step by step instruction

Inside of your key fob installed button battery. Move the key out of the way if it is in the remote key fob.

Gently try to pry apart your key with hands or flat head screwdriver. Remove two CR2025 batteries with flat head screwdriver.

Get new batteries and install it in keyless entry fob's body. Every battery has a negative and positive side and if you put the wrong connector down, the current cannot go into your circuit board and make it work. Check position on battery, by "+" mark.

When the new batteries installed, verify remote key fob by pressing buttons. If everything is functioning, assemble your fob’s shell in reverse order.

The last thing to do is put your cover back on fob. Gently try to put the pieces in place by hands from top to bottom. Inspect your key case for gaps. If it is not firmly closed try to repeat last step.

Video of key opening

Mercedes Benz Key Fob Battery replacement - DIY

Still not working? Buy new one

FAQ

Key fob of Mercedes-Benz ML350 require 2xCR2025 batteries. Most CR2025 batteries are under $4 build upon the type, brand and size packaging you buy. You can take old battery to the store, to be sure.

Often, after key fob battery change, you do not need to reprogram. Remote key fob reprogramming procedure often described in user's manual of your vehicle.

Replacing your remote key fob battery is simple to do in 2005 Mercedes-Benz ML350. Most of car manufacturers think about clients and make a special hole for remote key fob open.

Dealer service price for change the battery in remote key fob is from $30 to as high as $500 depending on the make.

Keyless entry remote batteries in modern cars should be changed once in three years, although this will vary based on usage and build quality. If your key fob reduced signal strength, you should replace batteries before it stop close doors and make trouble for you.

These symptoms will warn you that it's possible time to replace battery in your 2005 Mercedes-Benz ML350: you didn't change battery more than 4 years, signal strength reduced, multiple clicks to unlock or lock doors required and key fob buttons not working.
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Fob Compatibility:

  1. FCC ID: IYZ 3312
  2. Models: 2003-2006 Mercedes-Benz ML350