See also:

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 ...

Control panel for dual-zone automatic climate control
Canada only 1. To activate/deactivate air-recirculation mode 2. To defrost the windshield 3. To switch the ZONE function on/off 4. Display 5. To set climate control to automatic ...

Majestic drive systems: new V6 and V8 engines
The ultra-modern engine line-up in all GL-Class models provides superlative drive comfort and compelling performance coupled with superior fuel consumption figures compared with other vehicles in ...