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Jump Start Mercedes-Benz GLK with Dead Battery

Step-by-step procedure on how to jump-start a Mercedes Benz GLK-Class with a dead battery.

Jump Start Mercedes-Benz GLK with Dead Battery

Do not connect the jump box or jumper cables directly to the battery

What you will need


  1. Remove the metal key from your Mercedes-Benz key fob and use the metal key to unlock the driver's door manually.Removing the metal key on the key fob.Emergency key on the key fob of the Mercedes Benz GLK-Class.


  2. Open the hood.Pulling the hood release to pop out the hood.Pull the hood release under the dashboard.Unlock the hood latch of the vehicle.Go to the front of the vehicle. Then unlock the hood latch and pull up the hood. Opened hood of the Mercedes Benz GLK-Class.


  3. Locate the terminals of the battery on the passenger side of the engine bay. Notice a RED plastic cover with the + symbol on top of the positive terminal. Battery of the Mercedes Benz GLK-Class.


  4. Slide the red plastic cover and connect the red (positive) jumper cable to the positive terminal.Positive terminal of the battery.Connecting the red jumper cable to the positive terminal of the battery.


  5. Connect the black (negative) jumper cable to the ground or negative terminal on the vehicle frame.Connecting the black jumper cable to the negative/ground terminal of the battery.


  6. Connect the jumper cables to the Jumpstarter or the battery of another vehicle. Make sure that you put the red cable to the positive terminal and the black cable to the negative terminal.

  7. Get inside the car, turn on the ignition but not the engine. This will allow modules to power up. Wait 10 seconds, then try to start the engine.Start engine button of Mercedes Benz GLK class 

Car Won't Jump Start

If all you hear is a click, check the jump starter clamps are making good contact. Ensure the jump box is fully charged.

The battery in the car may be completely discharged. Keep the jumper cables connected for at least 15 minutes, then try again. 



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Plain text


  • Charge the battery fully then test it with a battery tester. For more help follow this guide. Check the battery date sticker on the top or side of battery. Most car batteries last between three to five years.
  • During charging and jump-starting, explosive gases can escape from the battery. There is a risk of an explosion. Particularly avoid fire, open flames, creating sparks, and smoking. Ensure there is sufficient ventilation while charging and jump-starting. Do not lean over a battery.
  • Make sure that the positive terminal of a connected battery does not come into contact with vehicle parts. Never place metal objects or tools on a battery. It is important that you observe the described order of the battery terminals when connecting and disconnecting a battery. 
  • When jump-starting, make sure that the battery poles with identical polarity are connected. It is particularly important to observe the described order when connecting and disconnecting the jumper cables. Never connect or disconnect the battery terminals while the engine is running
  • Make sure the jumper cables are not damaged or wires are exposed. 
  • The jumper cables should not contact the parts that can move when the engine is running, such as the V-belt pulley or the fan.

Frequently Asked Questions

How to get into the trunk, if you have a dead battery

  • Use the emergency key blade found inside your key fob to manually unlock the trunk. 

How to charge a dead battery

  • By trickle charging a dead battery, you have a better chance of bringing the battery back to life. Otherwise, your battery may no longer hold a proper charge. 
  • Use the OEM 12 Volt Battery Charger or even the cheaper Black+Decker BBM3B 12V Battery Charger Maintainer, which works just as well.
  • It will take at least 24 hours to bring a completely dead battery back to life. You are only providing 2 Amperes to the battery, which is a slow charge but ensures no damage is caused to the battery cells. 

My car battery keeps dying

  • If your battery keeps on dying or is not holding a proper charge, it could be due to any of the following:  
    • Battery age / old battery
    • Corroded or loose battery connections
    • Parasitic current drains in the electrical system.

Safety Tips

Auto Repair Safety Notes


Jump Start Mercedes-Benz GLK with Dead Battery Step-by-step procedure on how to jump-start a Mercedes Benz GLK-Class with a dead battery.