What is the oil specification for Mercedes-Benz GLC?
1 Answers
The oil specification for Mercedes-Benz GLC is 5W40, which uses fully synthetic oil with a replacement cycle of 10,000 kilometers. For later maintenance oil changes, you can choose brands such as Mobil, Shell, Castrol, or Total. The viscosity of the oil changes with temperature, so special attention is needed to its performance under low and high temperatures. For example, in 5W-30, the first number indicates low-temperature fluidity—5W means it can withstand temperatures as low as -30°C. The smaller this number, the better the low-temperature fluidity, ensuring smoother cold starts for the car. The latter number represents the oil's kinematic viscosity at 100°C. The higher the value, the better it maintains viscosity under high temperatures, which can also be understood as better lubrication performance under high-temperature conditions. The method for changing the oil in a Mercedes-Benz GLC is as follows: Wait for the engine temperature to drop, allowing the oil to flow back into the oil pan; Loosen the oil drain plug with a wrench and use an oil pan to collect the old oil until no more oil flows out. Start the engine and let it run for 30 seconds to allow the oil in the main oil passage to drain; Remove the oil filter with a specialized wrench; Apply oil to the seal of the new oil filter and tighten it clockwise by hand; Add the new oil through the engine valve cover filler port, typically filling about three-quarters of the oil container; Start the engine and let it run for 5 minutes, checking for oil leaks around the drain plug and oil filter. If leaks are found, perform repairs; After stopping the engine, pull out the oil dipstick and check that the oil level is within the standard range.
