Maintenance record of the phenomenon of Mercedes-Benz C180L car being put in gear and not moving

  10
 September 8, 2024
The C-Class is the best-selling model in the Mercedes-Benz family tree, and it is the most complete model among all Mercedes-Benz car lines! There are sedan version, station wagon version, and hatchback Coupe sports car version! And on each model, the engine configuration is also very wide! At the same time, as the basic model for Mercedes-Benz to participate in DTM racing, the status of “master of the family” is certainly not allowed! Although many of Mercedes-Benz’s latest and cutting-edge technologies often choose to be put into mass production on the more advanced S, SL, and CL before being invested in C-class cars, the high prices of S, SL, and CL models determine their low audience., benchmarking is more symbolic! On the contrary, the investment in these new technologies in models with wide audiences such as C-Class cars has more obvious practical significance in their contribution to the progress of the entire industry! This may be the most accurate historical positioning of the C-Class car apart from the model itself!
As a small displacement entry-level Mercedes-Benz C-Class entry level, the Mercedes-Benz C180 is similar in other aspects except for slight differences in power and configuration. Of course, what I am most satisfied with is the appearance and interior. The Mercedes-Benz C-Class exterior style is closer to the eldest brother S-Class without losing its elegance and generosity. It is a big step in success to please consumers ‘attention first. However, the exterior is for passers-by, and the interior is what car owners come into contact with every day. The C-class interior workmanship reaches the upper-middle standard of this level, and Mercedes-Benz is as comfortable as ever, making it irresistible.

The car that came to the store for repair today is a 2015 Mercedes-Benz C-Class modified C180L sports model, equipped with an AT7-speed W7C700 manual transmission (AT).

Kilometers traveled: 34804 kilometers.

The computer detects the fault code; the car is locked in gear and does not move.

The maintenance master is dismantling it;

Remove the gearbox;

The gearbox that has just been removed;

Prepare to dismantle the gearbox;

Remove the valve body behind the transmission oil pan

Remove the internal parts drawings of the shell;

Gearbox housing;

Input shaft;

Ring gear;

Worn friction discs need to be replaced;

Parts drawing of the newly disassembled gearbox;

Clean transmission parts;

Put on shelves after assembly;

The test run is over and the fault is cleared.
This fault repair mainly replaced the internal torque converter of the gearbox, grinding package, minor repair package, and gearbox oil.
Friendly reminder: Due to the rising temperature in summer, the vehicle will feel frustrated and lock up. In serious cases, the vehicle will not be able to move, the fuel consumption will be too high, and the quality of shifting is poor. If the above situation occurs, please repair it promptly! Please pay attention to maintaining your car!