If the Check Engine light of your Mercedes-Benz is on and the scanner shows the P0253 code, it means the ECU has detected the following problem:
"Injection Pump Fuel Metering Control ''A'' Range/Performance (Cam/Rotor/Injector)"
Keep in mind that the severity and repairs for this code depend entirely on the specifications of your Mercedes-Benz, whether diesel, petrol, or hybrid.
Instead of changing parts blindly, use the CarWatch AI assistant. Scan your Mercedes-Benz's sensors in real-time and find out the root cause of the P0253 fault before going to the shop.
👉 Diagnose my Mercedes-Benz for FreeTo clear the engine light and read the P0253 code from your phone, you need an OBD2 adapter compatible with the Mercedes-Benz ECU.
🛒 View Compatible Scanner on Amazon