What to do when battery drains on Mercedes medic?
Find a way to secure the switch pushed in. Use a screwdriver to lock the door latch. Manually press the door switch. Find a way to secure the switch pressed. Use a screwdriver to lock the door latch. If you have a fuse box in the trunk, open the trunk but place the latch in locked position. Make sure you have a fully charged battery.
How to get rid of negative battery drain?
Remove the negative battery cable from the negative battery terminal. Find the negative cable, which will be marked with a minus sign (-) and may have a black cover over it. Remove the cover, if applicable, and use a wrench to unbolt the negative cable from the terminal.
How to check for parasitic battery drain in a car?
Attach a multimeter (set the dial on the multimeter to measure Amps as per multimeters instructions) between the negative cable and the negative battery post. Wait a few seconds to several minutes for the car to go into sleep mode — i.e. when you make the contact with the ammeter, the car’s computer systems “wake up.”.
What should I do if my car battery is draining?
Remove the key from the ignition and let the car sit for at least 15 minutes. In some models you may need to wait up to 30 minutes for all the electronic systems to go “to sleep”. This will allow the car to shut off any electronic consumers that stay on for a brief period after the car is parked.
What can drain the battery on a Mercedes E350?
Last night I drove my E350 and parked it at 8pm. This morning my car didn’t start and it turned out to be a dead battery. The battery had 11 volts and did power some lights and almost turned over the engine. My question is what can drain the battery?
Remove the negative battery cable from the negative battery terminal. Find the negative cable, which will be marked with a minus sign (-) and may have a black cover over it. Remove the cover, if applicable, and use a wrench to unbolt the negative cable from the terminal.
Attach a multimeter (set the dial on the multimeter to measure Amps as per multimeters instructions) between the negative cable and the negative battery post. Wait a few seconds to several minutes for the car to go into sleep mode — i.e. when you make the contact with the ammeter, the car’s computer systems “wake up.”.
What causes battery drain in Advance Auto Parts?
While you’re under the hood (or at Advance Auto Parts), test the alternator. A failed diode in the alternator creates a closed circuit that drains your battery even when the engine is off.