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Tips on How to Jump Start a Mercedes-Benz Safely

Top 3 Best Jump Starters for Mercedes-Benz

  1. Noco Genius Boost GB40 Ultra Safe Lithium
  2. Gooloo 600 Peak Jump Starter Power Bank
  3. Stanley JC509 1000 Peak AMP with Air Compressor

4 Tips on How to Safely Jump Start a Mercedes-Benz

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How to connect jumper cableJump starting a Mercedes-Benz can be nerve wrecking experience and if performed wrong an expensive mistake. We have seen many Mercedes-Benz with damaged electronics or additional fault codes due to improper jump starting. It is not uncommon for warning lights to light up your dashboard after you jump start your Mercedes-Benz. In this article, we share a few tips that can help you avoid unnecessary problems and repairs.

Here are a few tips on how to safely jump start a Mercedes-Benz

Tip 1 – Use the dedicated jump start terminals

Most Mercedes-Benz models such as the E, C, S, CLK, ML, CLA, GL, G Class have a positive battery terminal in the engine bay designed specifically for jump starting. The terminal is cover with a red plastic cover marked with a (+).  This terminal should be used to jump start a Mercedes-Benz whenever possible. Right next to it there is a post for you to connect the negative clamp as well. This adds a layer of protection in case you incorrectly connect the jumper cables.

how to safely jump start a mercedes benz e c s gl ml cls clk class

Tip 2 – Disconnect and charge the battery whenever possible

If your situation permits, it is better to disconnect the battery terminals and charge the battery separately before you try starting the Mercedes-Benz. By fully charging the battery before you try to start the car you will avoid triggering unnecessary warnings and fault codes. It is less likely to cause damage to electronics components as well. Warnings such as Low Battery Voltage, SRS Airbag Malfunction can be triggered when jump starting an MB since the battery takes a while to get charged. This can be avoided if you charge the battery before you start you car. If you have a completely discharged battery which is relatively new, we recommend charging it using 2 amp trickle charge to bring the battery back to life. We frequently use a Black and Decker 12 volt Trickle Charger to charge Mercedes-Benz battery. Keep in mind that you need to charge the battery for at least 12 hours using this method.

trickle charge mercedes benz

Tip 3 – Use a jump starter that provides reverse polarity protection

If you are stranded in a parking lot, you may have no option but to jump start your Mercedes-Benz on the spot. With hundreds of jump starters on sale, you may wonder what’s the best jump starter for Mercedes-Benz cars?  We would recommend that you use a jump starter that provides reverse polarity protection. These are mistake proof  jump starters that allow you to safely connector to any battery and minimize potential damage to those expensive electronics and control units found on Mercedes-Benz cars.

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The Noco Genius Boost GB40 provides Ultra Safe spark proof technology and reverse polarity protection. This model provides 1000 Max Amps and enough cold cranking amp to jump start even eight cylinder Mercedes-Benz engines and yes it can fit in your glove box.

noco lithium jump starter best for mercedes benz

Tip 4 – MB Medic 2×10 minute rule

Have no option but to jump start a Mercedes-Benz right there and then? Follow this rule to minimize causing unnecessary low voltage fault codes.

What is the MB Medic 2×10 minute rule?

MB Medic 2×10 minute rule

Step 1 – Connect the jumper cables or jump box to your dead Mercedes-Benz battery and let it charge the battery for at least 10 minutes before the jump start. Not only do you start the battery recovery / charging process but it will be easier to crank the engine. Otherwise, you may only hear a click and the engine won’t turn over.

Step 2 – Continue to keep the jumper cables connected for another 10 minutes after you start the car. The jump box will provide current for your Mercedes-Benz if the main battery voltage is still low. In the meantime, the main battery continues to get charged.

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