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:
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 ...
Vehicles with a TIREFIT kit
– Lift the trunk floor up.
1 Lug wrench
2 Jack
3 Tire sealant filler bottle
4 Alignment bolt
5 Tire inflation compressor
6 Folding wheel chock
7 Warning triangle
8 Ratchet wrench
9 Towing ...
Vehicle Overview
Mercedes-Benz’s lowest-priced sedans get several enhancements for the 2003
model year, but full details have not yet been released. A C320 wagon joined the
C-Class lineup for 2002. Later came a ne ...
