See also:

Information about electronic data acquisition in the vehicle
(Including notice pursuant to California Code § 9951) Your vehicle records electronic data. If your vehicle is equipped with mbrace1, data is transmitted in the event of an accident. This info ...

Safety
As it should be, the M-Class is full of standard safety features like an electronic stability system, antilock brakes, traction control, side curtain airbags, and side-impact airbags for the front ...

High outside temperatures
If DEF heats up to over 122 °F (50 °C) for extended periods, e.g. as a result of direct sunlight on the DEF reservoir, DEF can decompose. Ammonia vapors develop as a result. WARNING When o ...