Front door interior panel introduce

The part names of the interior panel of the left front door, from top to bottom, are: left front door glass, left front mirror, left front glass sealing strip, those with decorative strips on the outside are called left front door decorative strip. The left front door is decomposed into left front door, mirror, glass, door lock, door glass controller, door glass elevator, mirror controller, left front door interior panel, handle, etc. The car is structurally divided into frame, outer panel, chassis, engine, interior, glass, tire, and is functionally divided into electrical system and driving system Driving system, oil and gas system, filtration system, control system, cooling system)

Installation method of front door interior panel/rear door interior panel

1、 Prepare tools and work vehicles or workbenches. 2. Open the car door to its maximum size for easier operation of the hinge support. Place a bracket at the lower edge of the car door to support the weight of the door and protect it. Unscrew the window glass. In this example, the disassembly of the car door will be mainly introduced. If the car door needs to be disassembled before disassembly, the outdoor rearview mirror should be removed. 3. Disconnect the wire connector between the car door and the vehicle body to separate the door wiring harness, If necessary, first remove the inner decorative parts on the pillar. 4. Remove the clamp at the bottom of the door stopper locking pin and extract the locking pin from the hole. 5. Hold the door and remove the connecting bolt of the door hinge support. After removing the door, place it vertically on a padded surface. If only the door needs to be removed for maintenance, it is recommended to complete the disassembly of the door by removing the hinge connecting bolt instead of the fixed bolt, This can reduce the adjustment work of the car door. 6. Check the sleeve of the car door chain, replace it if necessary, lubricate the hinge joint, place the car door back on the hinge support, and reinstall the bolts. 7. Connect the door limiter, install the stop lock pin and locking plate, and connect the electrical plug. 8. Close the car door, check if it is aligned, and if there is no problem, tighten the hinge fixing bolts. 9. Note that if the front door is disassembled and assembled, it is necessary to install the rearview mirror back

Mercedes Benz B-Class introduce

This Mercedes Benz B-Class is currently the cheapest entry-level car with the Mercedes Benz logo, and it is also the cheapest model in China that is equipped with an active parking assist system. In addition, there is a unique panoramic sunroof structure. Unlike the Mercedes Benz C200, the Mercedes Benz B200 uses a specially designed 2.0L inline four cylinder engine installed in the car with a slight tilt, which not only complements the special chassis structure of the B200, but also, And it can keep the cockpit as far away from the frontal collision area as possible. It is equipped with an AUTO TRONIC continuously variable transmission, also known as a CVT transmission. After being recalibrated by Mercedes Benz, it can output a maximum power of 100 kW and a torque of 185 Nm. In actual testing, the initial response of the electronic throttle is still a bit sluggish, but it is most frequently used in the area of 2500 to 3500 rpm, Having sufficient low torque performance for daily use. After shifting the gear to manual mode, the CVT gearbox with a 7-speed setting immediately enters sport mode, and the switching method is also more convenient. Although it enters sport mode, it is obvious that this car is not born for sport, so the expected value should not be too high, and the sport mode cannot have the expected push back feeling As a compact sports wagon, the Mercedes Benz B-Class has a stylish and dynamic appearance. The large three pointed star emblem on the front face is embedded in the center of the trapezoidal grille, revealing its identity. The lines on the engine compartment cover contract inward, making the headlights on both sides more sharp. The combination of the bumper and front fog lights gives the Mercedes Benz B-Class a powerful appearance