What Causes the Malfunction of Mercedes-Benz 9-Speed Transmission?

1 Answers
VonAlessandra
07/30/25 1:06am
Mercedes-Benz 9-speed transmission malfunctions can be attributed to the following reasons: Excessive Transmission Temperature: After high-intensity driving, the transmission temperature may rise abnormally, triggering the malfunction indicator light. In such cases, simply park the vehicle and allow the temperature to naturally decrease. Insufficient Transmission Fluid: When the transmission fluid is low, the malfunction indicator light will illuminate to alert the driver to replenish it promptly. Generally, transmission fluid should be replaced and topped up when the vehicle has traveled approximately 50,000-80,000 kilometers. Transmission Gear Slippage: If the malfunction light comes on due to transmission gear slippage, it is necessary to visit a repair shop or an authorized 4S dealership for professional inspection.
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