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How to Replace the Engine Oil and Oil Filter on the Mercedes 420SEL

Model: Mercedes Mercedes Various
Part: Engine oil

In this brief guide, you will learn how to perform routine maintenance by replacing the engine oil and oil filter on the Mercedes 420SEL. First, open the bonnet and start by removing the intake hose to access the oil filter; unscrew the screws on the cover to remove and replace the cartridge, as shown in the video. Next, drain the engine oil by unscrewing the oil drain bolt located on the sump; then screw the drain bolt back in and top up with new engine oil, pouring in the appropriate amount.

Posted on 12 May 2026 by ScegliAuto

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