How to Open Your 2006 Mercedes-Benz S350 Key Fob and Change Battery

How to Open Your 2006 Mercedes-Benz S350 Key Fob and Change Battery

Keyless entry remote allow easy access to your auto. Once the keyless entry remote battery is dead you lose your fob’s ability to use remote opportunities. Yes, it is possible to replace the battery in your key fob, and it’s easier than you think. Everything you need is outlined below.

What is the battery keyless entry remote use

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

Step by step instruction

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

Accurately try to pry apart your remote key fob with pry tools. Replace two CR2025 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 remote key fob will not work if you put battery wrong way.

Before assembling fob’s case, check that all functions works by pressing buttons on key fob.

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

Key Fob Battery Replacement 2006 Mercedes-Benz S350 Video

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

Still not working? Buy new one

FAQ

Remote key fob of Mercedes-Benz S350 require 2xCR2025 batteries. Price for CR2025 batteries are under $5 depending on the size packaging, brand and type you buy. You can take old battery to the store, with you to find a proper replacement.

Usually, after remote key fob battery replace, you do not need to reprogram. Don't be scare of this procedure, because often it's described in user's manual.

Yes, you can change battery in your 2006 Mercedes-Benz S350 key yourself. Most difficult part is to disassembly fob’s case. It's pretty easy with our guide.

Dealer service pricing for change the battery in key fob is $50-600 depending on the car.

You should replace batteries inside keyless entry remote of Mercedes-Benz S350 at least once in three years. The lifetime of battery vary on usage time, operating conditions and quality.

If your Mercedes-Benz has low key battery indicator on dashboard, fob's battery more than 4 years old, key fob buttons not working or signal strength reduced, in most cases battery replace in key fob needed. Currently installed battery is discharged with a high probability, but if it's not help to fix issues, fob replace or repair needed.
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Other Mercedes-Benz Models:

Fob Compatibility:

  1. FCC ID: IYZ 3312
  2. Models: 2006 Mercedes-Benz S350