Why does my 1999 ML 320 door not open?
If all is well the alternator may be the culprit, disconnect the alternator from the + of the battery and connect the ammeter, if there is a current there then you have drain in the alternator. Did anyone ever got a solution. My 1999 ML 320 doors wont open manually. The battery is flat. Key does not turn at all. Please help.
Can a Mercedes Benz be unlocked with a dead battery?
So if you’ve locked your keys in your car, don’t worry because Mercedes-Benz has thought of everything. Here is how to unlock your Mercedes-Benz when the battery dies. A valet key is one that it used to lock personal belongings in the glove box and trunk while your S-Class is being parked by the valet.
What happens if you lock your keys in a Mercedes Benz?
The only real problem with new technology is that no one knows how to use it. So if you’ve locked your keys in your car, don’t worry because Mercedes-Benz has thought of everything. Here is how to unlock your Mercedes-Benz when the battery dies.
Why does my car not open when the battery dies?
This prevents the doors from opening during an event of power loss during an accident. This happens, but the mechanical key should still open the doors.
If all is well the alternator may be the culprit, disconnect the alternator from the + of the battery and connect the ammeter, if there is a current there then you have drain in the alternator. Did anyone ever got a solution. My 1999 ML 320 doors wont open manually. The battery is flat. Key does not turn at all. Please help.
Why is the battery on my Mercedes Benz not working?
Hint: Starter Problem or Low Battery This may seem obvious, but an old battery is the root of many headaches and can cause all sorts of malfunctions on Mercedes-Benz cars. How old is the battery on your Mercedes-Benz?
Can you jump start a Mercedes Benz with a dead battery?
Note: Jump starting a car with a fully discharged battery will shorten the life of the battery or damage the battery. Hint: For a safer method to jump start a Mercedes-Benz with a fully discharged battery see Method 3. Method 2 Jump start your car battery with a booster pack / jump starter box.
How old is the battery on a Mercedes Benz?
This may seem obvious, but an old battery is the root of many headaches and can cause all sorts of malfunctions on Mercedes-Benz cars. How old is the battery on your Mercedes-Benz? While some MB owners have pushed over 10 years on an original battery, the battery should be considered for replacement around 6 or 7 years.
What to do if your Mercedes key won’t work?
Either your key battery is making poor contact or the key is failing. Check and clean battery contacts in the key. Just replace the batteries in the key. Contra verbosus noli contendere verbis, sermo datur cunctis, animi sapientia paucis. Mercedes technician 20 years fixing Mercedes. Just replace the batteries in the key. Click to expand…
Is there a way to open a car door without batteries?
So there is a way to open your car even if you don’t have batteries – just pull out the mechanical key, open the drivers door with it (the alarm turns on), quickly go into the car and insert the smart key (the alarm goes off). Unfortunately, you can’t engage the alarm without batteries.
Is there a way to manually unlock a Mercedes door?
He’s saying that if you have a trailer connector fitted, you could apply 12 V to it in order to unlock your doors without removing the wheel or using the mechanical key. Then you could simply pop the hood and charge it the normal way.
What should I do if my Mercedes key fob is not working?
If you need a replacement battery note that Mercedes-Benz uses CR2025 battery type. Ensure you have new batteries in your key fob. Next, look carefully at your Mercedes-Benz key. When you press the button on your key you should see a small RED led light. The light should light up every time you press any of the buttons (Lock, Unlock, Panic, Trunk).
He’s saying that if you have a trailer connector fitted, you could apply 12 V to it in order to unlock your doors without removing the wheel or using the mechanical key. Then you could simply pop the hood and charge it the normal way.
What kind of battery does a Mercedes Benz FOB use?
If you need a replacement battery note that Mercedes-Benz uses CR2025 battery type. Ensure you have new batteries in your key fob. Next, look carefully at your Mercedes-Benz key.