Get a jump box that is powerful enough to turn over a Mercedes-Benz engine. Generally, you need a jump box that has 1000 peak amps or more. The best jump starter that is very practical and portable and will start your Mercedes-Benz is the NOCO 1000 Amp 12 volt Lithium Jump Starter, shown in the picture below.They also make a 2000 amp portable power bank which will jump start the car easily.
Car Jump Start Top Selected Products and Reviews. NOCO Boost HD GB70 2000 Amp 12-Volt UltraSafe Portable Lithium Car Battery Booster Jump Starter Power Pack For Up To 8-Liter Petrol And 6-Liter Diesel Engines. Even used it on my tractor and it started first turn, used it for a little speaker while camping. Great little box of tricks.
Now connect the black negative (-) clamp to the booster vehicle's black negative (-) battery terminal. Connect the other end of the black negative (-) cable to a large, unpainted metal surface in the disabled vehicle’s engine bay, away from the battery and the engine itself.
When the first, and last, connection is made there is usually a spark. Charging batteries release hydrogen gas, which can obviously catch fire easily. That's why the order is important as well as where the connections are made. Always jump a car.
Start the dead car's engine and let it idle for a few minutes. If the dead car starts without any issues, carefully disconnect the black clamp from its battery first. Then disconnect the black clamp from the other car. Finally, remove the red clamp from the good car's battery and then from the once-dead battery.
Jump leads are thick cables which connect two car batteries to transfer power from a fully charged battery to a flat battery; also known as jump starting. The booster cables use black and red colour coding to identify polarity, making it clear which lead should be connected to which terminal on the battery, and are fully insulated for extra safety.
How to jump start your car using a jump lead Modern car batteries are very reliable, but leaving the lights on will soon result in a flat battery. To start a car with a flat battery you need a set of good quality jump leads and someone with a car with a battery that is in good condition.