First: Abnormal noise during cold start

一個被官方承認的原因：凸輪軸調節器存在設計缺陷，在質保期內損壞免費更換，但是如果超過了質保期則需要車主自掏腰包，而且更換費用不菲。

One officially recognized reason is that the camshaft adjuster has a design defect and is damaged during the warranty period for free replacement. However, if it exceeds the warranty period, the owner will need to pay for it at their own expense, and the replacement cost is expensive.

第二：燃油泵存在隱患

Secondly, there are hidden dangers in the fuel pump

這也是得到奔馳認可的一個通病，而且今年也為此召回了數十萬臺E級、C級等車型。在高溫天氣下容易引發車輛自燃，所以各位車主一定要認真對待。

This is also a common problem recognized by Mercedes Benz, and hundreds of thousands of E-Class, C-Class and other models have been recalled this year. In hot weather, it is easy to cause vehicle spontaneous combustion, so all car owners must take it seriously.

第三：四輪定位容易失準

Third: Four wheel alignment is prone to misalignment

這也是奔馳汽車普遍存在的一個問題，涉及到了旗下的多款車型，雖然這是所有汽車終會出現的問題，但是奔馳汽車四輪定位失準的頻率較高，間隔時間較短，如果您發現自己的方向盤變得沉重不好回正，輪胎出現偏磨現象，那就是這個問題啦，除了重新進行四輪定位之外，可能還需要更換懸掛膠套。

This is also a common problem in Mercedes Benz cars, involving multiple models under its umbrella. Although this is a common problem for all cars, the frequency of four-wheel alignment misalignment in Mercedes Benz cars is relatively high, and the interval time is short. If you find that your steering wheel becomes heavy and difficult to return to normal, and the tires show eccentric wear, then this is the problem. In addition to re aligning the four wheels, you may also need to replace the suspension rubber sleeve.

第四：噴油器臟污

Fourth: Dirty fuel injector

一到冬天就能經常看到冒黑煙的奔馳汽車，很多不太懂行的車友會以為是燒機油，其實關鍵原因是奔馳的噴油嘴很容易出現臟污的現象，同時會引發啟動障礙、怠速發抖、動力下降甚至發動機無法啟動的問題，同時會加速積碳生成，這一點很多奔馳車主也在網上探討過，其實定期進行清洗或者使用燃油添加劑就能解決。

In winter, Mercedes Benz cars that emit black smoke can often be seen. Many inexperienced car enthusiasts may think that they are burning engine oil, but the key reason is that Mercedes Benz's fuel injection nozzle is prone to dirt, which can cause starting difficulties, idle shaking, power loss, and even engine failure to start. At the same time, it can accelerate the generation of carbon deposits, which many Mercedes Benz car owners have also discussed online, In fact, regular cleaning or the use of fuel additives can solve the problem.

第五：轉向機漏油

Fifth: Steering gear oil leakage

這也是奔馳汽車一個比較常見的通病，因為保有量的關系，普遍出現在國產的各款奔馳汽車上，老款的奔馳S級也容易出現這個問題，漏油后會出現打方向沉和異響現象，這時候除了要補充助力油之外，還需要更換油封。

This is also a common problem in Mercedes Benz cars, as it generally occurs in various domestic Mercedes Benz cars due to the ownership. The older Mercedes Benz S-Class is also prone to this problem, and after oil leakage, there will be directional sinking and abnormal noise. At this time, in addition to supplementing the booster oil, the oil seal also needs to be replaced.

第六：減震器斷裂

Sixth: Shock absorber fracture

這件事兒已經出現了三年左右，普遍出現在國產E級、C級、GLA、GLC等車型上，故障原因就是奔馳前減震器插頭有設計缺陷，拖了兩年之后，現在奔馳也已經做了召回處理，但是處理的方案并沒有完全公布，希望奔馳不要學當年的大眾汽車，僅僅是打上一塊補丁敷衍了事，因為這直接危及到了車主的生命安全。

This incident has been happening for about three years, commonly on domestic E-Class, C-Class, GLA, GLC and other models. The cause of the malfunction is a design defect in the front shock absorber plug of Mercedes Benz. After two years of delay, Mercedes Benz has also carried out a recall, but the solution has not been fully announced. We hope that Mercedes Benz will not imitate Volkswagen back then and only apply a patch to perfunctory work, Because this directly endangers the safety of car owners.

第七：水泵損壞滲漏冷卻液

Seventh: Damaged water pump leaks coolant

這個故障普遍出現在老款的奔馳汽車上，但是至今也困擾著不少的奔馳車主，并且會因此引發節溫器故障，在冬天屬于高發時期，普遍出現在車齡四年左右，或者行駛里程七萬公里的奔馳車上，癥狀是一開暖風、除霧風功能后，發動機溫度就會調到60度左右，這會直接影響到發動機的使用壽命。

This fault commonly occurs in older Mercedes Benz cars, but it still troubles many Mercedes Benz owners and can cause thermostat failure. In winter, it is a high incidence period, commonly seen in Mercedes Benz cars that are about four years old or have a mileage of 70000 kilometers. The symptom is that once the heating and defogging functions are turned on, the engine temperature will be adjusted to around 60 degrees, which will directly affect the service life of the engine.

第八：火花塞壽命短

Eighth: Short spark plug life

奔馳汽車的火花塞壽命短，這也是一個普遍性的問題，會導致車輛的動力下降、加速時車身抖動、排氣聲變化、怠速抖動等現象，作為一個奔馳車主，官方建議4萬公里更換火花塞。此外，老款奔馳還存在制動開關損壞、空氣流量計等故障。

The short lifespan of spark plugs in Mercedes Benz cars is also a common problem, which can lead to a decrease in vehicle power, body vibration during acceleration, changes in exhaust noise, idle vibration, and other phenomena. As a Mercedes Benz owner, the official recommendation is to replace spark plugs after 40000 kilometers. In addition, the old Mercedes Benz also has faults such as damaged brake switches and air flow meters.