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Mercedes-Benz Trucks developers successfully test electric charging at 1,000 kilowatts

Mercedes-Benz Trucks developers charge an e-truck at 1,000 kilowatts for the first time during internal testing at Wörth am Rhein

Developers from Mercedes-Benz Trucks successfully charged for the first time a prototype of the eActros 600, which was presented last year, at a charging station with an output of one megawatt at the in-house development and testing center in Wörth am Rhein. Mercedes-Benz Trucks was thoroughly involved in the development of the new, industry-wide MCS charging standard. MCS particularly plays a central role when it comes to public charging along important transport axes.

Rainer Müller-Finkeldei, Head of Mercedes-Benz Trucks Product Engineering: “Our developers have put the newly defined MCS Standard into the e-truck in the shortest of times with full charging capacity – an outstanding feat of engineering. Customers placing high demands on range and vehicle availability will benefit in particular from megawatt charging at 1,000 kilowatts in future.”

Peter Ziegler, Head of E-Charging Components, Mercedes-Benz Trucks: “The first successful megawatt charging test with our e-truck is an enormous step forward. Within the industry, a charging capacity of more than 700 kilowatts is already referred to as MCS charging. We, however, understand the importance of our customers being able to charge the eActros 600 at a full 1,000 kilowatts and thus benefit from short charging times with a long range. We are now working at full speed to take the MCS technology in our eActros 600 to series maturity.”

Refinement of MCS technology for series production

Going forward, the work of development engineers at Mercedes-Benz Trucks involves further trialing of the communications interface between vehicle and charging station, defined as part of MCS standardization, and ongoing development of prototype components to series maturity. The launch of series production of the eActros 600 is planned for the end of 2024. In addition to CCS charging with up to 400 kW, the eActros 600 will later also enable megawatt charging at a full 1,000 kilowatts, once it becomes available. Customers can order a pre-installation for this. MCS technology is to be retrofittable for these models.

Megawatt charging is especially interesting for public charging infrastructure

The high battery capacity of more than 600 kilowatt hours – hence the model designation 600 – and a new, particularly efficient electric drive axle developed in-house, enable the eActros 600 to achieve a range of 500 kilometers[1] without intermediate charging. This means the e-truck will be able to travel significantly more than 1,000 kilometers per day. This is made possible by intermediate charging during the legally prescribed driver breaks – even without megawatt-charging.

Around 60 percent of long-distance journeys of Mercedes-Benz Trucks customers in Europe are shorter than 500 kilometers anyway, which means a charging infrastructure at the depot and at the loading and unloading points is sufficient in such cases. For all other uses, continual expansion of public charging infrastructure is vital in order to make the electric truck viable for long-distance haulage across Europe. Megawatt charging has great potential specifically for such demanding application cases.

[1] The range was determined internally under specific test conditions, after preconditioning with a 4×2 tractor unit with 40t total towing weight at 20°C outside temperature in long-haul operation and may deviate from the values determined in accordance with Regulation (EU) 2017/2400.

SOURCE: Daimler Truck

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