2006 Mercedes-Benz E550 Key Fob Battery Replacement Guide

2006 Mercedes-Benz E550 Key Fob Battery Replacement Guide

Key fob allow access to your auto. Once the key battery is weak you will lose your keyless entry fob's ability to control remote functions. In this article, we walks you through how to disassembly your car remote key fob and change your Mercedes-Benz key battery.

What type battery remote key fob use

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

Simple steps to change the battery in your E550's remote key fob

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

Carefully try to open your key fob with hands or flat head screwdriver. Remove 2xCR2025 batteries with flat head screwdriver.

Replace old batteries with fresh one CR2025. Be sure to connect the battery the right way around in a circuit. Your key fob will not work if you put battery wrong way.

Before assembling fob’s case, verify that all functions works by testing buttons on remote key fob.

At this point squeeze keyless entry fob's back cover together. Line your body two halves together and assemble it together by hands from top to bottom. Check your keyless entry remote shell for gaps. If it is not firmly closed try to repeat last step.

Key Fob Battery Replacement 2006 Mercedes-Benz E550 Video

SOLVED - Mercedes Benz Keyfob Battery Replacement | Smart Key Fob Dead Batteries

Still not working? Buy new one


Keyless entry remote of Mercedes-Benz E550 use 2xCR2025 batteries. Price for CR2025 batteries are under $4 build upon the size packaging, brand and type you buy. You can take old battery to the store, to be sure.

Keyless entry remote in most of cases do not need to be reprogrammed after battery change. If your keyless entry remote not working, recheck new battery voltage. Otherwise, read user's manual or contact local dealer.

Yes, you can change battery in your 2006 Mercedes-Benz E550 keyless entry remote yourself. Most difficult part is to disassembly fob’s case. It's pretty easy with our guide.

The price to change the battery inside fob is in range $50-600 depending on the make and the service station.

You should replace batteries inside keyless entry remote of Mercedes-Benz E550 at least once in four years. The term of battery differ on frequency of use, operating conditions and quality. Famous brands cells normally will last longer.

These signs will warn you that it's possible time to replace battery in your Mercedes-Benz E550: key fob buttons not working, signal strength reduced, multiple clicks to unlock or lock doors required and low key battery indicator on dashboard.
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Fob Compatibility:

  1. FCC ID: KR55WK49031
  2. Models: 2006-2009 Mercedes-Benz E550