See also:

The windshield wipers are inoperative
The windshield wiper drive is malfunctioning. Select another wiper speed on the combination switch. Have the windshield wipers checked at a qualified specialist workshop. ...

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 ...

Performance
Unlike most Mercedes, there is no V-6 option for the CLS. The model range starts with the CLS550 and ends with the CLS63 AMG, with nothing in between. That means you have the choice of either a 40 ...