The concept of lightweight construction

Although subjectively machine does not have a good temperament, technical specifications to the contrary: acceleration to 100 km / h - in 10.5 seconds, top speed - 215 km / h. On the last parameter strongly influences the aerodynamic drag coefficient Cx is a new machine reduced to 0.27.

Aerodynamic development of the new Mercedes E-Class began in the aquatic environment, which is particularly evident in nature can be traced streamlining the body. With a drag coefficient Cx = 0.27 cars Mercedes E-200 and Mercedes E 220 D recognized as the best in the world on this characteristic.

The new E-Class fuel consumed by an average of 6-10% less than their predecessors, and correspondingly less emission of harmful substances into the atmosphere. The greatest effect is to achieve such a result given above improved aerodynamics (Cx, depending on the car model and brand of tire is 0,27-0,29) and weight.

Impact of weight on the energy consumption of a vehicle can not be taken into account. For example, in urban driving conditions the power consumption is 23%. Of these, 17% were for vehicle acceleration, the remaining 6% - rolling resistance. Energy costs depend on the weight of the car. It is known that with decreasing per 100 kg of fuel consumption in urban driving conditions, depending on the grade and nature of the vehicle motion is reduced to 0.3-0.6 liters / 100 km.

"Reduces the weight of the car is necessary, but not at any price" - this is the basic principle of the E-class car. Reduced weight - it is only a step toward solving the problem. It is also an important aspect of security, comfort, reliability and profitability. For these reasons, Mercedes and developed the concept of lightweight construction, meeting all the above requirements.

The main role in this concept, the game has become. At the optimum specific gravity and high strength steel is an ideal compromise between safety and weight bearing structures for a car. To solve the security problems exposed a large load of the body are amplified and made tougher. For the rest of applied less durable steel. This body has an optimal weight and adequate strength. Recently, Mercedes uses a stronger steel grades that allow at a minimum thickness of the metal to maintain the required strength. The new E-Class about a third of the body is made of a high strength steel.

Thanks to the innovations applied in the production of metal bodywork Mercedes E-class (more than 30 technical innovations), driving has become safer and more comfortable. The unique structure of the body and safety systems of the new Mercedes E-Class made this the most reliable car in its class.

Using steel with an additive of titanium

One of the new models of high-strength steel is micro-alloyed steel isotope. It is a special way alloyed steel containing titanium and a dopant having a high degree of uniformity of the structure. Titanium additive allows much easier to perform the work on punching and bending sheet metal, which, primarily for the larger body parts. In the E-Class cars, except for the main parts of the bearing structure of a metal-doped titanium produced rear doors, rear wall and the rear part of the floor. Reducing the weight, depending on the unit structure is 4 to 7%.