What Items Are Included in the Mercedes-Benz 40,000 km B Maintenance?

1 Answers
PrestonAnn
07/30/25 9:26am
The maintenance items for a Mercedes-Benz E-Class after driving 40,000 kilometers, in addition to the regular replacement of engine oil and the three filters, include cleaning the throttle body, replacing the spark plugs, and changing the brake fluid. Below are the specific details about car maintenance: 1. Belt Inspection: When starting the car engine or while driving, if you notice a squealing sound from the belt, there are two possible reasons: one is that the belt hasn't been adjusted for a long time, and timely adjustment will solve the issue. The other reason could be belt aging, which requires replacing the belt. 2. Air Filter Inspection: A dirty or clogged air filter can directly lead to increased fuel consumption and poor engine performance. Regularly check the air filter. If there's minimal dust and the clog isn't severe, you can clean it with high-pressure air from the inside out and continue using it. However, a heavily soiled air filter should be replaced promptly. 3. Fuel Filter Inspection: If you notice poor fuel supply, check the fuel filter for clogs. If clogged, replace it immediately. 4. Engine Coolant Level Check: After the engine has cooled, check that the coolant level is between the full and low marks. If not, add distilled water, purified water, or antifreeze immediately, ensuring the level doesn't exceed the full mark. If the coolant level drops rapidly in a short time, check for leaks or visit a professional car maintenance shop for inspection. 5. Tire Inspection: Tire pressure is directly related to tire safety. Both overinflation and underinflation can lead to adverse effects. In summer, when temperatures are high, tire pressure should be slightly lower, while in winter, when temperatures are low, tire pressure should be higher. Also, check for tire cracks. If there are safety hazards, replace the tires promptly. When selecting new tires, ensure they match the original tire model.
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