Low outside temperatures
DEF freezes at a temperature of approximately 12 °F (–11 °C). The vehicle is equipped with a DEF preheating system when it leaves the factory. Winter operation is therefore also guaranteed at temperatures below 12 °F (–11 °C).
See also:
Vehicle data, GL 450
The data stated here refers specifically to a
vehicle with standard equipment. Consult an
authorized Mercedes-Benz Center for the
data for all vehicle variants and trim levels.
...
Muscular Moves, Eventually
The turbo-diesel GL320 Bluetec has additional exhaust treatments to cut soot
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which is why California and several Nort ...
Important safety notes
WARNING
Air bags are designed to reduce the incidence of injuries and fatalities in certain
situations:
frontal impacts (driver's and frontpassenger front air bags and driver's
...