一、严守保养周期，别让爱车 “带病上岗”

　　1、 Strictly adhere to the maintenance cycle and do not let your car go to work with illness

　　奔驰官方建议，新车首次保养在行驶 10000 公里时进行，之后每 20000 公里需进行一次常规保养。但这只是个基础参考，在济南这种交通状况复杂、气候多变的城市，如果经常遭遇拥堵路况，车辆频繁启停，发动机负荷加重，保养周期就应适当缩短；要是常在高温天气下行车，零部件受热老化加快，也得提前安排保养。举例来说，若车辆在夏天频繁往返于市区与城郊，走走停停，实际行驶 15000 公里左右就该送去保养了，不然发动机内部积攒的杂质和磨损的碎屑，会像 “定时炸弹”，影响发动机性能，严重时甚至造成故障。

　　Mercedes Benz officials suggest that the first maintenance of the new car should be carried out after driving 10000 kilometers, and regular maintenance should be performed every 20000 kilometers thereafter. But this is just a basic reference. In a city like Jinan with complex traffic conditions and variable climate, if you frequently encounter congested road conditions, frequent starting and stopping of vehicles, and increased engine load, the maintenance cycle should be appropriately shortened; If you often drive in high temperature weather, the aging of components will accelerate due to heat, and maintenance needs to be arranged in advance. For example, if a vehicle frequently travels back and forth between urban and suburban areas in summer, stopping and starting, and actually travels about 15000 kilometers, it should be sent for maintenance. Otherwise, the impurities and wear debris accumulated inside the engine will act like a "time bomb", affecting engine performance and even causing malfunctions in severe cases.

　　二、精准把握保养项目，拒绝 “过度保养”

　　2、 Accurately grasp maintenance items and refuse 'excessive maintenance'

　　1. 机油与机油滤清器：发动机的 “保护神”

　　1. Engine oil and oil filter: the "protector" of the engine

　　每次保养，更换机油和机油滤清器是重中之重。奔驰发动机工艺精密，对机油品质要求极高，必须选用符合奔驰规格的全合成机油，像美孚 1 号金装系列、嘉实多极护专享等，才能在高温、高压环境下，为发动机提供持久、稳定的润滑，减少磨损。机油滤清器也别忽视，它负责过滤机油中的杂质，劣质滤清器过滤效果差，杂质进入发动机，会加剧零部件磨损。更换周期基本与机油同步，每 10000 公里左右就得换，确保机油始终 “干干净净”，让发动机 “畅快呼吸”。

　　Every maintenance, changing the oil and oil filter is of utmost importance. Mercedes Benz engines have precise craftsmanship and extremely high requirements for oil quality. It is necessary to use fully synthetic engine oil that meets Mercedes Benz specifications, such as Mobil 1 Gold Series and Jia Shi Duo Extreme Protection Exclusive, in order to provide long-lasting and stable lubrication for the engine in high temperature and high pressure environments, reducing wear and tear. Don't ignore the oil filter, it is responsible for filtering impurities in the engine oil. Poor quality filters have poor filtering effects, and impurities entering the engine can exacerbate component wear. The replacement cycle is basically synchronized with the engine oil, which needs to be changed every 10000 kilometers to ensure that the engine oil is always "clean" and allows the engine to breathe freely.

　　2. 空气滤清器：发动机的 “口罩”

　　2. Air filter: the "mask" of the engine

　　空气滤清器就像发动机的 “口罩”，在济南这样灰尘、柳絮时有飞扬的城市，脏污的空气滤清器会严重影响发动机进气量，导致燃烧不充分，动力下降，油耗飙升。正常情况下，每 10000 公里左右就得检查，若脏污严重，就得及时更换。比如春天柳絮漫天时，空气滤清器很容易被柳絮堵塞，要是发现车辆加速无力、尾气排放变浓，大概率就是空气滤清器该换了。

　　The air filter is like the "mask" of the engine. In a city like Jinan where dust and willow catkins often fly, a dirty air filter can seriously affect the engine's intake, leading to insufficient combustion, decreased power, and soaring fuel consumption. Under normal circumstances, it is necessary to check every 10000 kilometers, and if the dirt is severe, it needs to be replaced in a timely manner. For example, when willow catkins fill the air in spring, the air filter is easily clogged by willow catkins. If you find that the vehicle accelerates weakly and the exhaust emissions become heavier, it is highly likely that the air filter needs to be replaced.

　　3. 制动系统：行车安全的 “命门”

　　3. Braking system: the "lifeline" of driving safety

　　制动系统关乎行车安全，来不得半点马虎。保养时，要仔细检查制动盘、刹车片磨损情况，正常刹车片厚度在 10 毫米左右，当磨损到 3 毫米以下，就得立即更换。制动液也得定期检查、更换，一般每两年一换，因为制动液有吸水性，时间长了含水量增加，沸点降低，高温下容易产生气阻，导致刹车失灵。另外，济南冬季有时会下雪，路面湿滑，对制动系统要求更高，冬季来临前，更要着重检查制动系统状态，确保关键时刻能刹得住车。

　　The braking system is crucial to driving safety and cannot be taken lightly. During maintenance, it is necessary to carefully inspect the wear of the brake discs and brake pads. The normal thickness of the brake pads is around 10 millimeters, but when the wear drops below 3 millimeters, they must be replaced immediately. Brake fluid also needs to be checked and replaced regularly, usually every two years, because brake fluid has water absorption properties. Over time, the water content increases, the boiling point decreases, and air resistance is easily generated at high temperatures, leading to brake failure. In addition, sometimes it snows in winter in Jinan, and the road surface is wet and slippery, which requires higher requirements for the braking system. Before the arrival of winter, it is even more important to check the status of the braking system to ensure that the vehicle can be stopped at critical moments.

　　4. 火花塞：发动机的 “点火器”

　　4. Spark plug: the "igniter" of the engine

　　火花塞的作用是点燃混合气，为发动机提供动力。奔驰火花塞的更换周期因车型而异，普通车型每 60000 公里左右更换，缸内直喷车型则每 40000 公里左右就得换。要是火花塞老化、积碳，点火能量不足，发动机就会出现抖动、加速无力、油耗增加等问题，严重影响驾驶体验，还可能损伤发动机，所以到了更换周期，千万别拖延。

　　The function of a spark plug is to ignite the mixture and provide power to the engine. The replacement cycle of Mercedes Benz spark plugs varies depending on the vehicle model. For regular models, they need to be replaced every 60000 kilometers, while for direct injection models, they need to be replaced every 40000 kilometers. If the spark plug ages, accumulates carbon, and the ignition energy is insufficient, the engine will experience problems such as shaking, weak acceleration, and increased fuel consumption, which seriously affect the driving experience and may even damage the engine. Therefore, do not delay the replacement cycle.

　　5. 燃油滤清器：燃油系统的 “净化器”

　　5. Fuel filter: the "purifier" of the fuel system

　　燃油滤清器负责过滤燃油中的杂质，保证燃油纯净，防止喷油嘴堵塞、油泵磨损。在国内油品参差不齐的情况下，奔驰车的燃油滤清器尤为重要，建议每 20000 公里更换一次，让燃油系统始终处于最佳工作状态，确保发动机稳定运行。

　　The fuel filter is responsible for filtering impurities in the fuel, ensuring fuel purity, and preventing nozzle blockage and pump wear. In the case of uneven oil quality in China, the fuel filter of Mercedes Benz cars is particularly important. It is recommended to replace it every 20000 kilometers to keep the fuel system in the best working condition and ensure stable engine operation.

　　6. 悬挂系统：驾乘舒适的 “保障”

　　6. Suspension system: a "guarantee" for comfortable driving and riding

　　济南的道路难免有坑洼、减速带，频繁冲击下，奔驰车的悬挂系统容易受损。保养时，要检查悬挂系统的连接件、减震器是否松动、漏油，胶套是否老化。要是减震器漏油，车辆行驶时就会颠簸感加剧，过减速带时震动明显，不仅影响驾乘舒适性，还会影响车辆操控性，此时就得及时更换减震器，恢复悬挂系统的正常性能。

　　The roads in Jinan are inevitably bumpy and have speed bumps, which can easily damage the suspension system of Mercedes Benz cars under frequent impacts. During maintenance, it is necessary to check whether the connecting parts and shock absorbers of the suspension system are loose or leaking oil, and whether the rubber sleeve is aging. If the shock absorber leaks oil, the vehicle will experience increased jolting and noticeable vibrations when passing speed bumps, which not only affects driving comfort but also vehicle handling. At this time, it is necessary to replace the shock absorber in a timely manner to restore the normal performance of the suspension system.

　　7. 轮胎：行车安全的 “基石”

　　7. Tires: the cornerstone of driving safety

　　轮胎是车辆与地面唯一的接触点，安全至关重要。在济南，夏天高温，冬天寒冷，轮胎受温度影响较大。要定期检查轮胎气压，一般标准气压在油箱盖内侧有标注，气压过高或过低，都会影响轮胎使用寿命和行车安全。同时，查看轮胎花纹磨损情况，花纹深度低于 1.6 毫米时，轮胎排水性能变差，雨天行车容易打滑，就得考虑更换轮胎。另外，每 10000 公里左右建议进行一次轮胎换位，让轮胎磨损更均匀，延长使用寿命。

　　Tires are the only point of contact between a vehicle and the ground, and safety is crucial. In Jinan, it is hot in summer and cold in winter, and tires are greatly affected by temperature. Regularly check the tire pressure. The standard pressure is usually marked on the inside of the fuel tank cap. If the pressure is too high or too low, it will affect the service life of the tires and driving safety. At the same time, check the wear of tire tread patterns. When the tread depth is less than 1.6 millimeters, the tire drainage performance deteriorates, and it is easy to slip when driving on rainy days. Therefore, it is necessary to consider replacing the tire. Additionally, it is recommended to rotate the tires every 10000 kilometers to ensure even wear and extend their lifespan.

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