Guides
Practical knowledge about motor oil, written for drivers and for workshops alike: what the label on the container means, how often the oil needs changing and how an oil change is done properly.
Every article answers the question in its headline in the first paragraph. To find out exactly which oil belongs in your vehicle, the oil finder gets you there in a few clicks.
Changing your motor oil: step by step
The tools, the sequence and the points where an oil change goes wrong.
Read the articleWhich motor oil for a diesel?
Why the C class and the approval matter on a diesel with a particulate filter.
Read the articleLonglife oil or a fixed change interval?
When the flexible Longlife service fits and when the fixed interval does.
Read the articleHow often should motor oil be changed?
Mileage, time, driving profile: what really determines the change interval.
Read the articleMineral, semi-synthetic, fully synthetic
What lies behind the labels and which oil really suits which engine.
Read the articleReading manufacturer approvals and specifications
SAE, API, ACEA and the OEM approvals: the details on the container explained.
Read the article
Which oil suits your car?
The oil finder narrows the catalogue down to the oils approved for your model - choose make, model and engine, and you are done.
Open the oil finder