SAFETY | 9 out of 10
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NHTSA
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IIHS
The best option by far on that long list, though, are active LED headlamps, a world first. These are the slickest all-singing, all-dancing lamps you've ever seen, with every adaptive lighting function you can imagine being provided by LEDs: they bend in turns, swivel to look ahead when you turn onto side roads, automatically dip the high beams for oncoming traffic-but only on the left side so you can still see to your right.
Automobile
Active Lane Keeping Assist that vibrates the steering wheel to get a wandering driver's attention. It'll even gently drag the brakes to stop the vehicle from crossing over a road's painted lines if he or she doesn't respond.
Autoblog
there are new optional nannies aboard in the form of lane-departure and blind-spot correction systems.
Inside Line
Optional safety upgrades include all-LED active headlights, Night View Assist Plus with Pedestrian Detection, Blind Spot Assist, Lane Keeping Assist, a rear-view camera, Distronic Plus (radar-based cruise control with automatic braking), and Parktronic parking sensors with Active Park Assist.
Visibility from the front of the CLS Class is generally good, though rear-quarter visibility can be limited by the thick C-pillars. The rearview camera option and parking sensors can help mitigate this, however.
The National Highway Traffic Safety Administration (NHTSA) and Insurance Institute for Highway Safety (IIHS) haven't crash-tested the 2013 Mercedes-Benz CLS Class, but with all of the standard and available safety features, plus Mercedes' attention to chassis engineering, buyers can drive the CLS Class with confidence.
Conclusion
The 2013 Mercedes-Benz CLS Class hasn't been crash-tested, but it does offer a long list of standard and available high-tech safety features--including some not found elsewhere.
