Daimler Buses: Leading The Charge For Electric Mobility In City Buses With Innovative Features 

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Daimler Buses to offer CO2-neutral vehicles in every segment by 2030 – dual-track strategy based on batteries and hydrogen

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Daimler Buses is leading the charge for electric mobility in city buses by introducing a host of innovative features. The Mercedes-Benz eCitaro range extender with a fuel cell can travel approximately 400 km without the need for a recharge. The new generation of batteries is outstanding in performance. The new generation of batteries is capable of delivering electric mobility from one source. With its hybrid module, the Intouro intercity bus also makes the first steps towards e-mobility.

Mercedes-Benz eCitaro Range Extender: Outstanding range with fuel cell

It can be used as a single bus, with an average travel distance, of approximately 400 km, or as an articulated bus, with about 350 km. The Mercedes-Benz eCitaro range extender also meets the long-range needs of transport operators, and can seamlessly replace city buses that use combustion engines. To extend the range, the base is a battery-electric drive system. The fuel cell has a 60 kW output and acts as a hydrogen generator. Because of the long-distance, it is not possible to charge intermediately along the route. Instead, charging is done at the depot using a regular plug. The 2023 delivery of the eCitaro Range Extender is planned.

NMC 3 batteries: High-performance batteries with high capacity

Both the fully-electric eCitaro and the eCitaro Range Extender will soon see a change to the new generation of batteries. These NMC 3 batteries (third-generation nickel-manganese-cobalt batteries) in cylindrical form with improved cell chemistry and optimized battery pack lead to a significant increase in energy density. This means that the eCitaro solobus has a maximum capacity of 588 kWh and the articulated bus of 686 kWh. This gives the bus a range of approximately 280 km for the solo bus and 220 km for the articulated bus for the whole life of the battery. Their range can be extended to well beyond 300 km in favorable conditions. The buses can be used to fulfil the majority of city bus drivers’ daily needs. The first deliveries are scheduled for 2022.

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Turnkey electric mobility from a single source

The eCitaro is at the heart of the electrification of city bus fleets, but it can only develop its full performance capability by being embedded in an overall system. Daimler Buses, therefore, not only supplies the individually configured eCitaro, but also the charging infrastructure, charging management, and fleet management on request. Either partly or completely from a single source, including construction work for the new build or conversion of depots, from planning and construction measures to electrical installations. Experienced partners are involved – this means turnkey e‑mobility from a single source.

Omniplus On eServices: Digital is normal

Together with the drive system, service is also changing – it has taken on a new dimension in the eCitaro. eServices are specifically geared towards electric mobility with city buses, and supplement the classic service portfolio with digital solutions. Omniplus On makes the data streams usable for transport companies so that operations run at optimum efficiency. The eCitaro communicates with the control center and the control center with it in real-time. Supported by in-house data analysis via Omniplus On or by partner IVU Traffic Technologies, for example. Whether monitoring a single bus for every minute of its operation or the holistic analysis of a complete fleet, the continuous flow of data makes it possible. 

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Mercedes-Benz Intouro hybrid: Save fuel with a hybrid module

Electromobility has many facets. While the emphasis is on all-electric drive systems for urban traffic, Daimler Buses will, over the coming years, be relying on the Mercedes-Benz Intouro with its hybrid module to further decrease the already economic fuel consumption. The basic function of the Intouro hybrid is extremely simple: An additional electric motor acts as an alternator during the bus’s braking and overrun phases, converting braking energy into electricity. This current is stored and is made available to the electric motor to support the combustion engine, especially when starting off, but also when accelerating. This results in a saving of up to five percent in local and urban traffic. The hybrid module is available for all two-axle models with an automatic transmission with a torque converter from the large Intouro family.

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