I purchased a new 2022 EQB300 in early September 2022. Overall, I like the performance and drive of the car despite relatively poor range (240 miles max but often much lower). What I cannot stand is how awful and cumbersome charging issues are here in the U.S. Any new MB EV vehicle comes with a 2 years of free charging at any Electrify America (EA) for 30 min sessions. What no one told me was how unreliable the EA network is. There is a EA charging station near my home where there are 10 chargers but only 3 were working this past weekend and even a few days later it is no different as nothing has been serviced. Even when you have what looks like a functional charging station, there are technical glitches almost half the time which necessitate calling EA and being on hold for long periods of time. Recently, I have had problems with the Mercedes Me Connect app. Every time I try to charge, I am told that I don't have a Mercedes Me Charge "contract" and need to register through Mercedes Me although I have completed all of this "registration" at the time of vehicle purchase. I called the Mercedes Me Connect support line and was told that they operate on a 48 hour timeline - how is this practical for on a customer service level and charging issue as one needs to be able to charge to go to work etc etc?
vks72773
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79 Posts
If not needed, recommend charging only to 80%. The time it takes to charge >80% rises dramatically, and probably isn't great for battery life-time, either. We get pretty good results at home with a basic cable and 240V output at 3.7kW and it usually can charge up to 80% overnight regardless of starting charge. Since my wife only drives about 60 miles round trip to work/kids/etc, we typically charge between 20-80%. Even only at 80%, we have sufficient charge for minimum 2 round-trip commutes, and may have enough for a third round trip but definitely enough for one-way. I just figure out the charge used per mile (or 100 miles to make it easier) - can see this on Mercedes Me app - which for us is around 30kWh/100 miles. This means that we typically get "only" 100 miles / 30kWh * 3.7kW = 12.3 miles per hour charging. For our typical 60 mile commute, this is just 5 hours of charging. If we charge to 100%, say before a planned long trip, it will take much longer beyond 80% and typically requires 8 hours or more depending on starting state of charge.
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