See also:

Resetting to factory settings
For safety reasons, the Daytime Running Lights: function in the Lights submenu is only reset when the vehicle is stationary. Press the or button on the steering wheel to select the Settin ...

Fuel requirements
Use only premium-grade unleaded gasoline. The octane number should be at least 91. Details can be found on the gas pump. The octane number is the average value of the Research Octane Number (RON) ...

The Inside
The C-Class wears the three-pointed star, but closer scrutiny reveals areas of cost-cutting versus the $35,000 competition, let alone Mercedes' pricier cars. It's the sort of thing that requires a ...