Mercedes-Benz C-Class Manuals

Mercedes-Benz C-Class (W205) 2015 - 2021 Owners Manual: Notes on operating fluids

Mercedes-AMG vehicles: be sure to observe the information in the Supplement. Otherwise, you may fail to recognize dangers.

WARNING Risk of injury from operating fluids harmful to your health
Operating fluids may be poisonous and harmful to your health.
  • Observe the text on the original containers when using, storing or disposing of operating fluids.
  • Always store operating fluids sealed in their original containers.
  • Always keep children away from operating fluids.


ENVIRONMENTAL NOTE Environmental pollution caused by environmentally irresponsible disposal
  • Dispose of operating fluids in an environmentally responsible manner.

Operating fluids include the following:

  • Fuels
  • Lubricants
  • Coolant
  • Brake fluid
  • Windshield washer fluid
  • Climate control system refrigerant

Only use products approved by Mercedes-Benz.

Damage caused by the use of products that have not been approved is not covered by the Mercedes-Benz warranty or goodwill gestures.

You can identify operating fluids approved by Mercedes-Benz by the following inscriptions on the container:

  • MB-Freigabe (e.g. MB-Freigabe 229.51)
  • MB-Approval (e.g. MB-Approval 229.51)

Further information on approved operating fluids is available at the following locations:

  • in the Mercedes-Benz Specifications for Operating Fluids by entering the designation
    • at
    • in the Mercedes-Benz BeVo App
  • at a qualified specialist workshop
WARNING Risk of fire or explosion from fuel
Fuels are highly flammable.
  • Fire, open flames, smoking and creation of sparks must be avoided.
  • Switch off the ignition and, if available, the stationary heater, before and while refueling the vehicle.


WARNING Risk of injury from fuels
Fuels are poisonous and hazardous to your health.
  • Do not swallow fuel or let it come into contact with skin, eyes or clothing.
  • Do not inhale fuel vapor.
  • Keep children away from fuel.
  • Keep doors and windows closed during the refueling process.

If you or other people come into contact with fuel, observe the following:

  • Immediately rinse fuel off your skin with soap and water.
  • If fuel comes into contact with your eyes, immediately rinse them thoroughly with clean water. Seek medical attention immediately.
  • If you swallow fuel, seek medical attention immediately. Do not induce vomiting.
  • Change immediately out of clothing that has come into contact with fuel.
    Operating fluids


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