partexpat Posted October 22 Share Posted October 22 Greetings, everyone, I trust that all members of the forum are in good health. Today, I encountered an unusual circumstance that some of you may be able to elucidate. I secured my S320CDI at a parking facility and locked the vehicle remotely as per customary protocol. The vehicle locked as normal; but, with a brief peek back, I saw that all indicators were flashing incessantly and the inside lights were on. No warning sound was heard. While I was in town, I considered the most economical option: replacing the batteries in the remote. I executed the action, but there was no alteration. The vehicle starts and operates normally; but, I have observed that the ignition barrel no longer recognizes the key as it did before. I now have it connected to a trickle charger, unsecured, in my secured garage to prevent battery depletion. Your insights would, as usual, be much appreciated. Link to comment Share on other sites More sharing options...
StormChantana Posted October 22 Share Posted October 22 If there is no recognition between the key and the ignition barrel as before, how can the automobile still start and operate normally? Link to comment Share on other sites More sharing options...
partexpat Posted October 22 Author Share Posted October 22 It does not produce the audible beep upon key insertion nor establish a magnetic connection. The key is inserted, rotated, and the engine ignites as customary. Link to comment Share on other sites More sharing options...
FilmBuff007 Posted October 22 Share Posted October 22 Alarm siren The internal battery deteriorates at this age. Acquire a replacement from the Mercedes-Benz dealer. Link to comment Share on other sites More sharing options...
LinguisticsNerd Posted October 22 Share Posted October 22 I am experiencing the same issue and had intended to submit the inquiry. I do not have the key recognition issue; nevertheless, the alarm activates randomly, and the siren is so feeble that I must approach the vehicle closely to hear it. It recently depleted the battery. What is the location of this internal battery? Link to comment Share on other sites More sharing options...
FilmBuff007 Posted October 22 Share Posted October 22 The battery is inside the alarm siren. Link to comment Share on other sites More sharing options...
LinguisticsNerd Posted October 22 Share Posted October 22 Disregard, located the video. https://www.youtube.com/watch?v=m2sPjd2BLgs Link to comment Share on other sites More sharing options...
LinguisticsNerd Posted October 22 Share Posted October 22 What is the technological explanation for its spontaneous shutdown, even when the battery is depleted or at the end of its lifespan? Link to comment Share on other sites More sharing options...
PuzzleMaster Posted October 22 Share Posted October 22 The warning may be triggered by sabotage due to low battery levels or potential further drain caused by battery acid corrosion. Link to comment Share on other sites More sharing options...
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