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:
Activating/deactivating airrecirculation
mode
You can deactivate the flow of fresh air if
unpleasant odors are entering the vehicle
from outside. The air already inside the
vehicle will then be recirculated.
The operation of air-recirculat ...
Driving on flooded roads
Do not drive through flooded
areas.
Check the depth of any water before drivincg
through it. Drive slowly through standing
water. Otherwise, water may enter the
vehicle interior or the engin ...
Safety, Reliability & Mileage
The CL has not been crash-tested by the Insurance Institute for Highway
Safety, nor is there reliability data for it. The CL550's mileage is estimated
to be 15/23 mpg city/highway, and it takes pr ...