Mercedes-Benz M-Class Owners Manual

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The Inside
Mercedes has been reshaping its lineup for the past few years, and the interiors of models like the C-Class and new E-Class have taken on a more angular appearance. That's true in the new GLK350, ...

Refrigerant of the air-conditioning system
The air-conditioning system is filled with R134a refrigerant and a special PAG lubricant. Never use refrigerant R 12 (CFC) or mineral lubricants. Otherwise, you could damage the air-conditioni ...

Closing
•► Replace the fuel filler cap and turn it clockwise. The fuel filler cap audibly engages. •► Press the fuel filler flap closed until it engages audibly. If you drive with the fuel ...