Why doesn't the Mercedes-Benz move when started in D gear?
2 Answers
Mercedes-Benz not moving when started in D gear is an occasional fault issue with the parking system. For more information on engine faults, the details are as follows: 1. Pull the car over to the side: After turning off the engine for 5-10 minutes, without pressing the brake, directly press the start button, or without depressing the clutch, turn the car key halfway to the 'on' position. The car will initiate a self-check function after powering on. Wait for 5-10 seconds and observe whether the fault lights on the dashboard go out, leaving only the engine fault light. 2. If other fault lights remain on: It is necessary to go to a 4S shop or repair shop to inspect the corresponding modules and components. If only the engine fault light remains on, start the engine again and observe whether the engine fault light still remains on. If the engine fault light goes out, there is no issue. If the engine fault light remains on, it is necessary to go to a 4S shop or repair shop to inspect the engine-related components and modules.
This is a common issue I often encounter during car repairs. The problem of a Mercedes not moving after starting and shifting to D gear is quite frequent, mainly due to several reasons: transmission failure is key, such as a damaged torque converter or blocked valve body, preventing power from reaching the wheels; there are also brake system issues—if the brake isn't fully released or the caliper is stuck, the car won't move; the electronic control unit might have a bug, or sensor failures could cause misjudgment. I recommend starting with simple checks, like ensuring the brake is completely released and the gear shift action is correct; if that doesn't work, test if the transmission fluid level is normal. After all, Mercedes is a high-end car, and these small details can affect safety if they go wrong. It's best to drive to a professional repair shop as soon as possible to scan for fault codes with a diagnostic tool, rather than forcing a fix yourself to avoid worsening the damage. Remember to maintain the transmission regularly to prevent similar troubles.
