See also:

Switching on HD Radio
As HD Radio stations are broadcast in the AM/FM wavebands, operating HD Radio is very similar to operating analog AM/FM radio. This section describes only those functions that differ from sta ...

Trailer towing
- Drive in the middle of the engine speed range on uphill gradients. - Depending on the uphill or downhill gradient, shift down into shift range 3 or 2, even if cruise control or DISTRONIC PL ...

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 ...