Why does my Mercedes Benz battery keep dying?
The next problem that this car developed was the battery dying when the car was parked for an extended period of time or parked overnight. It was confirmed that no lights were left on. After further troubleshooting, we were able to notice a problem with the COMMAND system.
Why does my Mercedes medic draw so much battery?
A radio receiver in the car continuously listens for wake up signal from the key. As the car receives a signal in the assigned frequency it wakes up to validate the key. This causes current draw for several seconds. If the car is left parked in high pedestrian traffic areas this could be a problem.
What kind of battery does a Mercedes Benz use?
You can check price and read reviews for multiple Mercedes-Benz AGM Group 94 Batteries that will fit your Mercedes-Benz. You know you have a relatively new battery. You go to start your Mercedes-Benz and you either hear it turn over once or hear several clicks as in this video. This opens in a new window.
Are there any electrical problems with a Mercedes Benz?
Recently we have been working on a Mercedes-Benz with some major and unexplainable electrical issues. The problem started with the Keyless Go feature. The key would unlock the car via keyfob and start it by inserting the key in the ignition. But Keyless Go stopped working.
What causes battery to die on Mercedes medic?
A defective electrical system, Control Unit or a fault on the CAN Bus (Controller Area Network) are also causes that can cause your Mercedes-Battery battery to die. To troubleshoot the current draw, you need a multimeter that can perform current reading.
How to troubleshoot battery drain in Mercedes Benz?
There are some steps that may help you locate the malfunctioning part – see the W220 S-Class Encyclopedia, the major heading of “Electrical” – then look for “Battery – sources of battery drain.” http://www.benzworld.org/forums/w220-s-class/1508080-w220-s-class-encyclopedia-start-here.html Some of the links discuss how to troubleshoot this problem.
How old is the battery on a Mercedes Benz?
I drive the car all day, and it’s at 800 by end of day (so the alt is charging the battery). For giggles, took in to advanced to have them test the charge system and they verified the battery and alternator are good. Battery BTW is only 1 month old. But, every morning, the car is completely dead and needs jump started.
One of the major culprits is it’s simply an old battery. The average lifespan of a car battery is only four to six years, so if you’re in that range or over, it’s probably time for a new battery. However, if this isn’t the case, there’s some other mischief going on.
Why does my Mercedes-Benz battery keep draining?
You try to start your Mercedes-Benz and the car is either completely dead or this happens: Battery drains happen when electronic equipment (consumer units) are constantly drawing current from the battery while the car is parked. One simple example is when lights are left on overnight. But it’s not always as simple as that.
I drive the car all day, and it’s at 800 by end of day (so the alt is charging the battery). For giggles, took in to advanced to have them test the charge system and they verified the battery and alternator are good. Battery BTW is only 1 month old. But, every morning, the car is completely dead and needs jump started.
What causes a car battery to not hold a charge?
Average rating from 215 customers who received a Battery will not hold a charge Inspection. You’re late for work and rush out to your car, only to find that it won’t start. The headlights are dim and the engine simply refuses to turn over. You realize that your battery is dead. How did this happen?
A radio receiver in the car continuously listens for wake up signal from the key. As the car receives a signal in the assigned frequency it wakes up to validate the key. This causes current draw for several seconds. If the car is left parked in high pedestrian traffic areas this could be a problem.
Why is my Mercedes SLK Battery going flat when not used?
Once you’ve isolated the circuit with the excessive drain check the wiring connections and plugs to components and the wiring harness that runs by the engine bay fuse box – the wiring harness chaffs / rubs through and gets damaged – but its not always easy to see so be careful when checking.. Customer: replied 7 years ago.
You try to start your Mercedes-Benz and the car is either completely dead or this happens: Battery drains happen when electronic equipment (consumer units) are constantly drawing current from the battery while the car is parked. One simple example is when lights are left on overnight. But it’s not always as simple as that.
How long does a battery last in a Mercedes Benz?
You should get at a minimum of two to three years out these batteries even if it is an economy battery. The problem with the inexpensive batteries is that you may eventually start experiencing electrical problems such as ESP or AirBag warning lights on the dashboard.