There is no best, only the most suitable, interpretation of Mercedes-Benz plug-in hybrid technology

Although pure electric travel is the current fashionable travel method, and the market penetration rate is getting higher and higher. But when there is insufficient power in the city, many charging piles cannot be charged, and pure electricity cannot fully solve all travel scenarios (such as high-speed travel during long holidays, insufficient charging piles, and waiting in queues for charging). As one of the new energy travel technologies, plug-in hybrid vehicles still have a lot of room for survival.

In addition to the HEV we are talking about with hybrid technology, models with PHEV technology are still very attractive to many car owners. Using pure electricity for daily commuting, no matter how the international oil price changes, it has nothing to do with you. As long as the electricity price is stable and you plug in the stun gun in the middle of the night when electricity prices are low, the travel cost is only 0.1 yuan per kilometer.

As for long-distance driving, due to the existence of a fuel engine, intercity travel can be completely worry-free. For example, during the National Day holiday that just ended, driving a PHEV model will definitely not require an EV model to spend 2,000 yuan towing on the highway. Condition.

As a representative of luxury brands and a car company that has existed for more than 135 years, Mercedes-Benz, in addition to its outstanding fuel engines and the current fully electrified EQ series, the launch of plug-in hybrid models is also worth looking forward to. So today we will focus on the fourth-generation plug-in hybrid technology, taking the newly launched Mercedes-Benz C 350 e L as an example.

What are the advantages of fourth-generation plug-in hybrid technology?

Compared with the third generation technology, its power electronic components, gearbox, etc. are integrated on the drive module, which has three benefits: 1. Contact between the power electronic components and the stator of the motor is achieved through alternating current; 2. Implementation within the gearbox system Cooling loop; 3. The entire system adopts modular design to make energy transmission more direct and efficient.

In addition, the Mercedes-Benz C 350 e L plug-in hybrid sports car uses a self-developed battery, which has greatly improved the integration level. The battery uses a tiled layout with a battery capacity of 25.4 kWh, which can effectively improve The pure electric cruising range of the vehicle. In terms of battery layout, the C-class plug-in hybrid model uses a battery system composed of 96 cells and is installed under the trunk panel. The layout is quite reasonable and does not occupy the trunk and interior space.

After a car is "electric", we will have higher requirements for its quietness and driving mechanical quality. The current Mercedes-Benz C-Class models have achieved varying degrees of electrification. Whether they are 48-volt mild hybrid models or plug-in hybrid models, they all use modularly designed engines and 9-speed automatic transmissions. The power system does not have traditional starters and belts. , and the air-conditioning compressor is also driven by pure electricity, which not only reduces energy consumption, but also improves quietness.

Currently, plug-in hybrid models on the market basically have two pure electric range versions, with a range of 55km and more than 100km. One of the 55km pure electric range is to meet the policy needs of getting a green license. The 55km range is not enough to meet the complete pure electric travel in first-tier cities. After the battery is exhausted, it will basically be driven as a pure fuel vehicle. The C 350 e L can travel more than 105 kilometers on pure electric power under WLTC conditions.

Mercedes-Benz's fourth-generation plug-in hybrid system supports DC and AC charging. The C 350 e L plug-in hybrid sports sedan comes standard with 7 kilowatt AC charging, which can fully charge the vehicle from 10% to 10% in about 3 hours. When equipped with the optional DC charging with a maximum power of 55 kilowatts, it only takes 21 minutes to charge from 10% to 80%. This means that as long as the garage at home has charging conditions, it can be used as an electric vehicle on a daily basis, and the travel cost is very low.

Also, in order to increase battery life, many new energy vehicles now basically have a kinetic energy recovery function, and some unconventional brands even only have a single-pedal mode. Not to mention whether it is easy to use or not, it will have a great impact on driving safety and the comfort of passengers in the car.

The C 350 e L has three modes, namely electric mode, battery maintenance mode and hybrid mode. When using these three driving modes, you can adjust the intensity of energy recovery through the paddles just like driving a pure electric car. For example, the vehicle provides a moderate recovery mode (D-) for single-pedal driving, and a non-recovery (D+) coasting mode for smoother control.

When you need a little excitement, switch to the sports mode and the engine is fully started, and then the paddle is used as a gear shift. A perfect one-rod for multiple uses, retractable and retractable freely.

Even when the battery is low, this plug-in hybrid can still recover energy and adjust the recovery intensity. In addition, even if it is not under pure electric driving control, the motor can still cooperate with the engine, and the entire drive system can still reach the ideal state.

There is no best, only the most suitable driving scenario

At present, hybrid systems are flourishing and a hundred schools of thought are contending. Each technology has its own strengths, and some brands have even launched series-parallel gasoline-electric hybrid travel with 2DHT or even 3DHT gearboxes, which can cope with low speeds in the full speed range to reduce fuel consumption. Mercedes-Benz's fourth-generation plug-in hybrid technology provides another optimal solution for our daily commuting driving.

The Mercedes-Benz plug-in hybrid system has two sets of gasoline and electric drives that can be used in parallel, which means that its strengths can be used under different working conditions. The fuel engine can easily meet the needs of long-distance travel, and at the same time, the two drive systems can cooperate to achieve optimal performance.

On the other hand, the series-parallel hybrid solution actually involves timely and dynamic switching of the fuel engine, motor, and battery. Its fuel consumption per 100 kilometers is about 4-6 liters. During the entire full-scenario use of the car, the comprehensive travel cost is about 0.4-0.5 yuan. It can be said to be economical, but from a certain perspective, for example, 80% of this car is used for daily commuting and 20% is used on intercity expressways. The series-parallel hybrid technology is not enough in this scenario. .

The current technical roadmap of Mercedes-Benz is to gradually move towards pure electric technology, using a parallel solution, which is another way of traveling that can be powered by electricity and petrol. At the same time, when the vehicle is driven using a fuel engine, it can bring pure control fun. Worth recalling. And in pure fuel driving, especially in high-speed driving, the cooperation of this high-efficiency Mercedes-Benz engine and gearbox can also achieve a fuel consumption of between 5-6 liters per 100 kilometers, that is, during feed driving, 1 kilometer The driving cost is about 0.5 yuan.

So, the price of pure electric travel for urban commuting is 0.1 yuan per 100 kilometers; the price for intercity expressway travel is about 0.5 yuan per 100 kilometers. Isn’t PHEV technology great? In addition, Mercedes-Benz has always been superior to its competitors in terms of quietness, handling quality, interior craftsmanship and atmosphere, which is difficult for other brands to match. Isn't this really delicious?

Therefore, I would like to emphasize again that the Mercedes-Benz C 350 e L, as long as the living environment is convenient for charging and daily pure electric driving, the 105 kilometers of pure electric range can meet the daily commute, which can save a lot of energy replenishment funds. For long-distance driving between cities, there is no range anxiety. You can drive and control as you like, making it a complete travel all-rounder.

Talking about the user group this model is suitable for? I think it is suitable for fashionable people who are responsible for environmental protection and technology, as well as business development talents who have to drive long distances from time to time due to work needs.

write at the end

The current travel market is still a long way from being fully electrified. It is faced with high oil prices, shortage of oil resources and pressure from environmental protection. Mercedes-Benz is investing more and more resources in pure electric vehicles and launching the EQ series of pure electric models. Of course, based on the existing actual rigid travel scenarios, a lot of effort has been made in plug-in hybrid technology. It is hoped that this fourth-generation plug-in hybrid system will be distributed to other models as soon as possible, enrich the product matrix, and become a popular choice for today’s consumers. Another more diversified, efficient, energy-saving and worry-free travel option.