We are more and more persons to wish to carry out the maintenance of our Mercedes Cla alone, in actual fact, the labour in mechanics is very costly and the least basic service can fairly quickly exceed 100€. The latest vehicles are more and more difficult and we can not carry out all their maintenance, but some acts like servicing its Mercedes Cla can be carried out without too much complexity. We are going to help you on this web page to choose the best engine oil for your Mercedes Cla , this will allow you to do your oil change without any headache and to assure you an optimum engine unit actions. To do this, firstly, we will see how to select the right engine oil for your Mercedes Cla , then, in a second step, which are the 3 best engine oils for your Mercedes Cla , and finally, we will conclude with some suggestions on how to choose your engine oil.

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How to select the best engine oil for your Mercedes Cla

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We will therefore commence our content with a small buying guide to help you choose the best motor oil for your Mercedes Cla with peace of mind. To get this done, we will look at the criteria that differentiate the sort of oil and then we will look at the different types of motor oil. No matter the reason, you should know that if you choose your engine oil properly, furthermore to preserving it, you will reduce your consumption and your CO2 emissions.

The criteria that differentiate engine oils for Mercedes Cla?

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The purpose of the engine oil in your Mercedes Cla is to lubricate your engine unit to make certain that all the gears in it can run smoothly , and to preserve the integrity of each of its elements. In addition, this oil, which will limit all friction, will have other functions such as preventing corrosion, helping to dissipate heat in the engine unit and guaranteeing sealing . These oils can be purchased in 5 litre cans. We will now look at the different criteria for purchasing engine oil for Mercedes Cla :

  • The cold viscosity of engine oil for Mercedes Cla (number in front of the letter “W”, which stands for “Winter”): This value will reveal the engine’s ability to begin cold depending on the viscosity of the oil. 0W means -30°C; 5W means -25°C, 10W means -20°C and 15W means -15°C. It is consequently up to you to change it to the climatic conditions in which you drive your Mercedes Cla.
  • The hot viscosity of the engine oil for Mercedes Cla (value following the “W”): Value between 20 and 60, it is important to keep in mind that the higher the value, the thicker the layer of oil you will have when hot to protect your engine unit, and the lower the value, the less friction you will have when hot and consequently lower your consumption. Nevertheless, if you use your Mercedes Cla in the city, or with a sporty driving style, it’s better to protect it although hot.
  • The requirements : They are made on the back of the oil canister you can find them such as “ACEA C1 – C4” or “VW 500. 01”, are only requirements of compatibility with different brands of cars, you have to check in the instruction manual of your Mercedes Cla that the oil in question is compatible with your engine unit.
  • Oil brands: Please take note that the brand should have very little impact in your reasoning, there are enough objective criteria in the composition of motor oil for Mercedes Cla to avoid having to focus on a subjective criterion such as the brand, some car companies have partnerships and will recommend you on certain brands, but it is not necessary to follow these suggestions.

The different types of engine oil for your Mercedes Cla

  • “Mineral” engine oils 15w40: They are called mineral oils because they are specifically made up of crude refined oil, which will give them maximum viscosity and consequently a thickness suitable for old engines that tend to consume oil. However, the truth that they are natural will trigger them to lose their lubricating properties more fairly quickly, so it will be necessary to shorten the intervals between oil changes.
  • Semi-synthetic 10w40: This oil has a good quality/price ratio and is said to be semi-synthetic because it is still made up of specific elements that will boost its lifetime. It is thus recommended for a polyvalent use of its vehicle. Moreover, it favours a simpler cold begin than a mineral oil. Nevertheless, you should remember to change the oil every 10, 000km.
  • The “synthetic” oil 5w40: This sort of oil is really adapted to the recent Mercedes Cla engines, in actual fact, the protection of the engine unit will be optimal and the cold begin too. It is consequently a good choice either for people who drive in city centres, who have a sporty driving style, or who drive long distances and want to reduce the frequency of their oil change.

The 3 best motor oils for Mercedes Cla

We now commence our second section in which we will focus on the best motor oils for Mercedes Cla , we will present our range and direct you to the best sellers so that you can make your decision in the best conditions. We have done it a point to present only oils adapted to your Mercedes Cla, so you will not necessarily find “10w40” in our selection.

Best Low-Cost engine oil for Mercedes Cla

We done the choice to select the two best engine oils for Mercedes Cla lowcost, so that corresponding to your needs you can make your choice.

Castrol GTX 15W40

This quality oil will allow you to change or top up the oil level of your Mercedes Cla with complete peace of mind at an unbeatable price.
Benefits: 

  • Value for money
  • Perfect if your engine unit begins to get miles on it.
  • Mineral quality.

Inconvenience

  • Periodicity of emptying, about 10, 000km
  • Cold begin capability if you live in a cold region

Mobil Super 3000 5W40

A prestigious brand that offers you a kit to do your oil change plus an additional 1 litre that you can use to check the oil level of your Mercedes Cla.
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Benefits:

  • A 100% synthetic oil that will last over time.
  • Suitable for intensive use of your vehicle.
  • Price.

Disadvantages:

  • Less suitable for older engines.

Best mid-range engine unit oil for Mercedes Cla

Mobil Super 3000 FE 5W30

This synthetic oil is unbeatable value for money and will protect your engine unit, turbo or injection.
Benefits

  • High quality synthetic material that will allow you to space out your drains.
  • A price for this interesting quality.
  • Appropriate for all sort of pipes

Inconvenience

  • Less suitable for older vehicles or vehicles with quite a lot of mileage.

Best premium motor oil for Mercedes Cla

Castrol Edge 5W30

A premium synthetic motor oil to protect your Mercedes Cla from friction, even in the worst conditions.
Benefits

  • Top of the range engine unit oil appropriate for all engines from Mercedes Cla
  • Startup under all conditions.

Inconvenience

  • You’re not gonna be able to get the price.
  • Not appropriate for older vehicles

Castrol Magnatec 0W30

An ultra-synthetic motor oil for your Mercedes Cla which will be adapted to the most difficult engines such as those equipped with Start and Stop.
Benefits

  • Cold start under the worst conditions.
  • Appropriate for the most demanding engines.
  • Suitable for engines designed with Start and Stop

Inconvenience

  • You’re not gonna be able to get the price.
  • Not appropriate for older vehicles or engines with more than 200, 000 kilometers

A few tips on choosing the right engine unit oil for your Mercedes Cla

And to conclude this content, we will give you some suggestions on how to make good use of the motor oil in your Mercedes Cla, and make the right choice when you buy it:

    • Be aware that an open can of oil should be disposed of after one year and not be used anymore because it loses a good part of its capacity and may affect your engine unit.
    • Observe the recommendations of the oil suppliers and car manufacturers and use only oils compatible with the engine unit of your Mercedes Cla

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  • The oil change intervals announced by the engine unit oil manufacturer are important, do not exceed the mileage indicated on the canister between each oil change

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If you want more tutorials on the Mercedes Cla, go to our Mercedes Cla category.