2017 Mercedes-Benz CLA

midsize luxury car / 4-door sedan

Crash avoidance & mitigation

Headlights
Front crash prevention
Optional system
Superior
Standard system
Not tested

Key

  • G
    Good
  • A
    Acceptable
  • M
    Marginal
  • P
    Poor
  • Superior
  • Advanced
  • Basic

Some ratings use a scale of Poor to Good. Others range from Basic to Superior.

Headlights

Trim level(s)

  • All trims
Low-beam headlight type Halogen reflector
High-beam headlight type Halogen reflector
Curve-adaptive? No
High-beam assist? No
Overall rating
Distance at which headlights provide at least 5 lux illumination:
car-simpler car-simpler car-simpler car-simpler car-simpler 0 ft 100 ft 200 ft 300 ft 400 ft 500 ft 600 ft Low beams Optimal low-beam illumination High beams Optimal high-beam illumination

Low beams
On the straightaway, visibility was inadequate on both sides of the road. On curves, visibility was inadequate in all 4 tests.

The low beams never exceeded glare limits.

High beams
On the straightaway, visibility was good on the right side of the road and inadequate on the left side. On curves, visibility was inadequate in all 4 tests.

Technical measurements for this test
Trim level(s)
  • All trims
Low-beam headlight type Halogen reflector
High-beam headlight type Halogen reflector
Curve-adaptive? No
High-beam assist? No
Overall rating
Applies to 2016-18 models
LOW BEAMS Average minimum useful
illumination distance (5 lux)
Amount glare
exceeded threshold
Straightaway right edge 52.2 m None
Straightaway left edge 21.2 m None
250m radius right curve, right edge 35.7 m None
250m radius left curve, left edge 30.7 m None
150m radius right curve, right edge 30.6 m None
150m radius left curve, left edge 26.7 m None
HIGH BEAMS Average minimum useful
illumination distance (5 lux)
Straightaway right edge 146.8 m
Straightaway left edge 100.2 m
250m radius right curve, right edge 54.3 m
250m radius left curve, left edge 49.7 m
150m radius right curve, right edge 41.0 m
150m radius left curve, left edge 38.6 m

How headlights are evaluated

Front crash prevention

Ratings are given for 2 different trim variations available on this vehicle.

System details

  • Optional Active Brake Assist with Distance Pilot

Package name

  • Optional Driver Assistance Package

Applies to 2017-18 models

Overall evaluation

  • This system meets the requirements for forward collision warning.
  • In the 12 mph IIHS test, this vehicle avoided a collision.
  • In the 25 mph IIHS test, this vehicle avoided a collision.
Superior
Superior
with optional equipment

System details

  • Standard Active Brake Assist

Applies to 2017-18 models

Overall evaluation

  • This system does not meet the requirements for forward collision warning.
  • Autobrake not tested.

How front crash prevention is evaluated