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Mercedes S320 - Warning message on Mercedes S320 - Andrew1001

This model does not have a dipstick Recently I have been getting a message on longer runs 'Reduce oil level' It lasts for a minutes and then goes off. It repeats at random times. The oil level is correct and the engine runs perfectly. Is it just a faulty sensor?

Mercedes S320 - Warning message on Mercedes S320 - elekie&a/c doctor

Could be the oil level has been over filled.Take the car to an MB specialist who has got the workshop dipstick where the level can be checked manually.