Infrared reflective windshield
The infrared reflecting glass prevents the vehicle interior from becoming too hot. It also blocks radio waves up into the gigahertz range.

In order to operate radio-controlled equipment, e.g. toll recording systems, areas 1 on the windshield are permeable to radio waves. In these areas, you can install radio-controlled systems.
These areas can best be seen from outside the vehicle by observing the light reflected off the windshield.
See also:
Important safety notes
WARNING
Do not park this vehicle in areas where
combustible materials can come into contact
with the hot exhaust system. Do not park the
vehicle on dry grassland or harvested grain
fields ...
Overview
Brimming with genuine character, the new Mercedes-Benz GLK-Class is set to
take the world of compact SUVs by storm. Yet it is not just the distinctive
all-rounder's practical and appealingly compa ...
Indicator and warning display
1 Yellow indicator lamp/red warning lamp
When Blind Spot Assist is activated, indicator
lamp 1 lights up yellow in the exterior
mirrors up to a vehicle speed of 20 mph
(30 km/h). When the vehicl ...
