Notes on engine oil Observe the notes on operating fluids.
Mercedes-Benz recommends that you have the oil change carried out at a qualified specialist workshop. Further information on engine oil and oil filters is available at the following locations:
Quality and capacity of engine oil MB-Freigabe or MB-Approval The following values refer to an oil change, including the oil filter. Replacement amount Notes on brake fluid Observe the notes on operating fluids.
Have the brake fluid regularly replaced at a qualified specialist workshop. Only use brake fluid approved by Mercedes-Benz according to MB-Freigabe or MB-Approval 331.0. You can obtain further information on brake fluid in the following places:
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Mercedes-Benz C-Class (W205) 2015 - 2021 Owners Manual > Opening and closing: Anti-theft protection
Function of the immobilizer The immobilizer prevents your vehicle from being started without the correct SmartKey. The immobilizer is automatically activated when the ignition is switched off and deactivated when the ignition is switched on. When leaving the vehicle, always take the Smart‐ Key wit ...