How many liters of engine oil does the Mercedes-Benz GLC260 use?

Why does the car air conditioner emit an unpleasant odor when turned on?

When a car air conditioner emits an unpleasant odor upon being turned on, it is usually caused by mold growth in the evaporator and ventilation ducts. As air enters the car, the evaporator cools or heats it, blowing out warm or cold air through the vents. During this process, bacteria, dust, insect remains, and other debris can accumulate in the evaporator and ventilation ducts. Over time, this buildup leads to an unpleasant odor when the air conditioner is in use. Below are some solutions to address the odor issue in car air conditioners: 1. Inspect the air conditioner ducts: Choose an open, sunny area, open the car doors, and turn on the natural air setting. Set the system to external circulation at maximum power for 5–6 minutes to blow out the accumulated dust. 2. Check the air filter: The air filter should generally be replaced once a year. If the car is frequently exposed to sandstorms or other harsh weather conditions, it is advisable to replace the filter every few months. Cleaning the air filter is not recommended, as it can enlarge the filter pores, significantly reducing its filtration efficiency.

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Can You Make a U-Turn When the Straight Light is Green and the Left Turn Light is Red?

At an intersection where the left turn light is red and the straight light is green, you cannot make a left turn or a U-turn. This is because when the straight light is green, vehicles from the opposite direction are also going straight, and making a U-turn would obstruct their normal driving. Therefore, U-turns are definitely not allowed in this situation. Here are the situations where U-turns are prohibited: U-turns are prohibited where there is a "No U-Turn" or "No Left Turn" sign: If there is a sign prohibiting U-turns, then U-turns are not allowed at that intersection. A U-turn is an extension of a left turn, so if there is a sign prohibiting left turns at an intersection, U-turns are also prohibited there. U-turns are prohibited at crosswalks: U-turns are not allowed at crosswalks. If U-turns are permitted at an intersection, you must cross the crosswalk before making the U-turn and cannot make the U-turn on the crosswalk. U-turns are prohibited when there is no left turn lane: Even if you are in the leftmost lane, U-turns are not allowed if there is no sign permitting left turns. U-turns are prohibited in the second left turn lane: When a vehicle is in the second left turn lane, it cannot make a U-turn. In the absence of any signs, U-turns are only allowed in the innermost left turn lane. U-turns are prohibited at solid yellow lines: U-turns are not allowed at solid yellow lines. Even if there is a sign permitting U-turns, you must wait for the green light and cross the stop line before making the U-turn. U-turns are prohibited on highways: Crossing the central divider to make a U-turn on a highway is illegal and will result in a fine and 12 demerit points. If you miss an exit on the highway, you must continue to the next exit and leave the highway. Never attempt an illegal U-turn.

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Can You Drive with Scratches on New Car Tires?

You should not drive with scratches on new car tires. When the car is traveling at high speeds, tires with scratches may explode at any time, posing a safety hazard. Regularly check tire pressure: Tire pressure is an important factor affecting tire lifespan. It should not be too high or too low; inflate according to the vehicle's indicated tire pressure. In summer, try to keep the tire pressure slightly lower. In winter, ensure the tire pressure is slightly higher than in summer due to the tire's tendency to expand with heat and contract with cold. Check for wear: Some vehicles may experience uneven tire wear. Frequently inspect the inner side of the tires for abnormal wear, primarily checking if the tread depth is consistent on both sides. Regularly perform four-wheel alignment: If the vehicle pulls to one side or exhibits other abnormal steering behaviors, perform a tire alignment promptly to prevent further tire issues. Four-wheel alignment ensures even force distribution across all four tires, avoiding excessive wear.

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Can I Learn to Drive by Myself?

You cannot learn to drive by yourself. Reasons why you cannot learn by yourself: When learning to drive on the road, you must follow the routes and times designated by the traffic management department of the public security authority. Learning motor vehicle driving skills on the road should be conducted using a training vehicle under the guidance of a coach, and individuals not involved in the training are not allowed to ride in the training vehicle. In summary, trainees must adhere to the routes and times designated by the traffic management department of the public security authority. Relevant legal responsibilities: According to the "Regulations for the Implementation of the Road Traffic Safety Law of the People's Republic of China," any violations of these regulations will be penalized in accordance with the Road Traffic Safety Law and these regulations.

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Why don't dual-clutch transmissions use torque converters?

When in use, the advantages of dual-clutch transmissions are not present, and their structural principle does not effectively mitigate gearshift jerking. Hydraulic Transmission Device: The hydraulic transmission device is a flexible connection between the engine and the transmission. The torque converter relies on oil within a sealed space to transmit power. The pump wheel of the torque converter is connected to the engine flywheel, while the turbine on the other end is connected to the gearbox, with a guide wheel in between. Due to its specially designed blades, the guide wheel has a torque-increasing effect. The torque converter can also lock at specific speeds. Its presence not only avoids impacts, vibrations, and torque changes caused by the rigid connection between the engine and the gearbox—acting as an adaptive transmission device—but also reduces the load on the engine from the gearbox. Dual-Clutch Transmission: The shifting logic of dual-clutch transmissions is simple: when one gear is engaged, the next gear is already pre-selected and ready. Once the dual-clutch begins shifting, it can switch directly. Therefore, due to its unique shifting principle, even adding a torque converter cannot fully resolve the jerky shifting issue of the transmission; at best, it can only slightly alleviate it.

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Differences Between China V and China VI Vehicles

The differences between China V and China VI emission standards are as follows: Different emission standards: The China VI emission standard is more than 30% stricter than China V. Excluding the influence of operating conditions and testing, gasoline vehicles' carbon monoxide emissions are reduced by 50%, total hydrocarbons and non-methane hydrocarbons emissions are reduced by 50%, and nitrogen oxide emissions are reduced by 42%. Different implementation times: The China V standard was implemented nationwide on January 1, 2017, as the fifth stage of national motor vehicle emission standards. The China VI standard has been implemented since July 1, 2019. Different principles: During the China V stage, the emission standards for diesel and gasoline vehicles were different, but China VI adopts a fuel-neutral principle, meaning the emission limits are the same regardless of the fuel type. Different issuing authorities: The China V standard was issued by the Ministry of Environmental Protection, while the China VI standard was issued by the Ministry of Environmental Protection and the General Administration of Quality Supervision, Inspection, and Quarantine. Different letter representations: China V is represented by the letter V, while China VI is represented by VI. Different monitoring requirements for plug-in hybrid electric vehicles: Compared to China V, China VI has improved monitoring requirements for plug-in hybrid electric vehicles, including energy storage systems, thermal management systems, brake regeneration, drive motors, generators, and other regulations. China V standard limits are as follows: Gasoline vehicles must not emit more than 1,000 milligrams of carbon monoxide per kilometer driven. Gasoline vehicles must not emit more than 68 milligrams of non-methane hydrocarbons per kilometer driven. Gasoline vehicles must not emit more than 60 milligrams of nitrogen oxides per kilometer driven. Gasoline vehicles must not emit more than 4.5 milligrams of PM (particulate matter) per kilometer driven. China VI has two standards: China VIa and China VIb, as follows: China VIa standard limits: Gasoline vehicles must not emit more than 700 milligrams of carbon monoxide per kilometer driven. Gasoline vehicles must not emit more than 68 milligrams of non-methane hydrocarbons per kilometer driven. Gasoline vehicles must not emit more than 60 milligrams of nitrogen oxides per kilometer driven. Gasoline vehicles must not emit more than 4.5 milligrams of PM per kilometer driven. China VIb standard limits: Gasoline vehicles must not emit more than 500 milligrams of carbon monoxide per kilometer driven. Gasoline vehicles must not emit more than 35 milligrams of non-methane hydrocarbons per kilometer driven. Gasoline vehicles must not emit more than 35 milligrams of nitrogen oxides per kilometer driven. Gasoline vehicles must not emit more than 3 milligrams of PM per kilometer driven. Affected by the China VI emission policy, although China V vehicles are not currently restricted in normal use, their resale value is significantly impacted. For truck owners, if they purchase a truck on loan for cargo transport, the vehicle's depreciation after repaying the loan is equivalent to the net profit earned during that period. A higher residual value means more profit for the owner. Therefore, from this perspective, China VI vehicles, which have a longer service life and more road rights, offer greater advantages.

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How many liters of engine oil does the Mercedes-Benz GLC260 use?

Why does the car air conditioner emit an unpleasant odor when turned on?

Can You Make a U-Turn When the Straight Light is Green and the Left Turn Light is Red?

Can You Drive with Scratches on New Car Tires?

Can I Learn to Drive by Myself?

Why don't dual-clutch transmissions use torque converters?

Differences Between China V and China VI Vehicles

What is the difference between parking gear and handbrake?

What Causes Loud Noise in Car Air Conditioning?

How long can a motorcycle driver's license go without review before it becomes invalid?

What does JYM mean for motorcycles?