You can buy a replacement battery from an auto parts retailer.
Mercedes benz c240 key battery replacement.
Replace your mercedes key every 2 3 years or when your key no longer works even with new batteries.
Generally speaking when mercedes key fob is not working it s because either because the key is defective or the all activity module aam is not recognizing the key signal or it is not receiving signal due to an antenna issue.
Replacement keyless remote fob key shell case replacement fit for mercedes benz c230 c240 c280 c350 c43 amg c55 amg cl500 cl600 clk320 clk430 clk500 clk55 amg cls500 e320 e350 e430 e500 g500 iyz3312 3 3 out of 5 stars 35.
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Most mercedes dealerships will sell new keys to customers even if they did not initially purchase their car from the dealership.
After a few years your mercedes keys may not work even after you change the batteries.
Any proud mercedes owner appreciates the cutting edge technology that powers these high performance vehicles right down to the innovative key fob that is part of the highest quality anti theft security system for automobiles.
If you need a replacement battery note that mercedes benz uses cr2025 battery type.
The mercedes c240 was part of the mercedes c class line through the 2007 model year.
Common mercedes key fob problems.
But when issues with these keys inevitably arise it is assumed that the owner must go to the mercedes benz dealership for diagnostics repair reprogramming or.
It is very easy to do and you do not need an.
The procedure requires two 2 new cr2025 3v button cel.
Mercedes benz smart key battery tutorial.
This video explains how to replace your battery in a mercedes benz key fob with built in transponder.