2003 Mercedes-Benz CL600 Key Fob Battery Replacement Instructions

2003 Mercedes-Benz CL600 Key Fob Battery Replacement Instructions

If your Mercedes-Benz remote key fob is not unlock doors properly, the battery likely needs to be replaced. Below, we are going to tell you how to open your car key fob and replace a dead or weak battery DIY. If you choose to do it at home near CL600, use this instruction, but don't forget to check everything you need before you start.

What size battery does 2003 Mercedes-Benz CL600 remote key fob required

Changing batteries in keyless entry remote require two CR2025 batteries and flat head screwdriver. Prepare these materials and tools before opening and make sure to match the type of your fob’s batteries.
  • 2xCR2025 batteries
  • flat head screwdriver

Step by step guide

A coin battery installed in the your keyless entry remote. Move the key out of the way if it is in the remote key fob.

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

Change old batteries with fresh one CR2025. Be sure to connect the battery the right way around in a circuit. Your keyless entry remote will not work if you connect battery wrong way.

Before assembling keyless entry fob's case, verify that all functions works by testing buttons on keyless entry remote.

The last thing to do is put your cover back on fob. Carefully try to assemble the two halves together by hands from top to bottom. Check your key fob case for gaps. If it is not tightly closed try to repeat last step.

Key Fob Battery Replacement 2003 Mercedes-Benz CL600 Video

▶️HOW TO Mercedes Benz KeyFob Battery Replacement 2003 2004 2005 2009 2010 2012 ▶️ Ultimate Guide

Still not working? Buy new one

FAQ

Key fob of Mercedes-Benz CL600 use 2xCR2025 batteries. Most CR2025 batteries are under $4 depending on the brand, size packaging and type you buy. Take your old battery to the store, to find a proper replacement.

Often, after key fob battery replace, reprogramming not required. Don't be scare of this procedure, because often it's described in user's manual.

Yes, you can change battery in your 2003 Mercedes-Benz CL600 remote key fob yourself. Most difficult part is to open fob’s case. It's pretty easy with our step by step guide.

Auto repair shop's pricing for change the battery in remote key fob is from 50 to 600 dollars depending on the car.

You should change batteries inside key fob of Mercedes-Benz CL600 at least once in three or four years. lifespan of battery vary on usage time, operating conditions and quality. Lithium cells normally will last longer.

These signs will warning you that it's perhaps time to replace battery in your Mercedes-Benz CL600: low key battery indicator on dashboard, key fob buttons not working, signal strength reduced and you didn't change battery more than 4 years.
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Fob Compatibility:

  1. FCC ID: IYZ 3312
  2. Models: 2001-2006 Mercedes-Benz CL600