Mercedes key fob draining the batteries

[@Hejazi1365]

Good job. Why didn't you connect the fob to the power supply or a multimeter to check the current before and after the fix?

[@pc-mastor]

That is a good point! Thanks for the recomendation. Actually the problem was fixed. The customer called me 2 weeks later and reported that the batteries did not drain again.

[@Hejazi1365]

@@pc-mastor I'm happy to hear that ❤️❤️❤️

[@g89406]

@@pc-mastor γειά σου, μας σώζεις! Great tip to check our keyfobs, can you share the year and the type of the Mercedes this key fob is for?

[@pc-mastor]

@@g89406 Thanks for the comment. It's been long time...i only remember it as an A-Class Mercendes. Sorry...

[@philipaurea1869]

So the only way to fix this problem is to use a solder ?

[@sollykhan2385]

Thanks for this great video, i was wondering when you were checking the switches with an ohmeter, how come you didn't PRESS the switch down to make a circuit, as unpressed you would not get a connection or a reading ? 🤔

[@pc-mastor]

Hi thanks for the comment. Checking the switch health not needed. The switch had no problem. Was locking-unlocking the car as it should do. So it would get us nowhere just hearing a beep with the multimeter just checking the switch terminals. What mattered was what the switch was connecting to and what was the resistance of it's terminals.

[@zXTyRaNTXz]

Nice fix!!

[@bobsoft]

Good eye.