2008 Mercedes-Benz R550 Key Fob Battery Replacement Instructions

2008 Mercedes-Benz R550 Key Fob Battery Replacement Instructions

If your R550 key fob is no longer unlock doors perfectly, the cell battery likely must to be changed. Yes, it is possible to change the battery in your key fob by yourself. Everything you need is described in this article.

What type battery does 2008 Mercedes-Benz R550 remote key fob required

Replacing batteries in remote key fob require 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.
  • flat head screwdriver
  • 2xCR2025 batteries

Simple steps to change the battery in your car's keyless entry remote

A small button 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 key fob with hands or flat head screwdriver. Replace CR2025 batteries with flat head screwdriver.

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

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

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

How to replace the battery video instruction

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

Still not working? Buy new one

FAQ

Keyless entry remote of Mercedes-Benz R550 require 2xCR2025 batteries. Most CR2025 batteries are under $6 build upon the size packaging, brand and type you buy. You can take old battery to the store, to find a proper replacement.

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. If it is not help, read user's manual or contact local dealer.

Replacing your key fob battery is easy to do in 2008 Mercedes-Benz R550. Most of car manufacturers think of the customers and make a special hole for remote key fob open.

The price to replace the battery inside keyless entry remote can run anywhere from $30 to as high as $500 depending on the car and the service station.

Remote key fob batteries in Mercedes-Benz R550 should be replaced every four years, but this will differ based on their amount of use and battery quality. If your remote key fob shortened signal strength, you should change batteries before it stop working and make problems for you.

If your R550 key fob buttons not working, signal strength reduced, has low key battery indicator on dashboard or need multiple clicks to unlock or lock doors, in most cases battery replace in keyless entry remote needed. Installed battery is dead with a high probability, but if it's not fix problem, key fob replace or repair needed.
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Fob Compatibility:

  1. FCC ID: IYZ3317
  2. Models: 2008 Mercedes-Benz R550