Indepth Car Review: Mercedes Benz GLA crash test Euro NCAP and Collision Prevention Assist Plus

Indepth Car Review: Mercedes Benz GLA crash test Euro NCAP and Collision Prevention Assist Plus

Awesome Review: Mercedes Benz GLA crash test Euro NCAP and Collision Prevention Assist Plus

2015 Mercedes Benz GLA crash test 2014 at Euro NCAP and demonstration of the Collision Prevention Assist Plus system.

Rating: 5 stars

Adult occupant: 96 %
Child Occupant: 88 %
Pedestrian: 67 %
Safety Assist: 70 %

Adult occupant
The passenger compartment remained stable in the frontal impact. For both the driver and passenger dummy, protection of all body regions was good apart from the lower legs, protection of which was adequate. Dummy readings indicated good protection of the knees and femurs of the driver and passenger. Mercedes-Benz showed that a similar level of protection would be provided to occupants of different sizes and to those sat in different positions. The GLA-Class scored maximum points in the side barrier impact with good protection of all body areas. In the more severe side pole impact, protection of the chest and abdomen was adequate and that of the head and pelvis was good. Protection against whiplash injuries in the event of a rear-end collision was rated as good for the front and rear seats and the GLA-Class has a standard-fit autonomous emergency braking system to provide additional protection at city speeds.

Child occupant
Based on dummy readings in the crash tests, the GLA-Class scored maximum points for its protection of the 11⁄2 year dummy. Forward movement of the 3 year dummy, sat in a forward-facing restraint, was not excessive but chest and neck forces were marginally high. The passenger airbag is automatically disabled when a rearward-facing child restraint is placed on the passenger seat. The system is different from previous Mercedes-Benz systems which only worked with specific seats. Clear information is provided to the driver regarding the status of the airbag and the system was awarded maximum points. All of the restraint types for which the car is designed could be properly installed and accommodated.

The bumper scored maximum points for the protection it offers to pedestrians’ legs, with good results in all areas. However, the front edge of the bonnet showed poor results and scored no points. The GLA-Class has an ‘active’ bonnet for improved head protection. When an impact with a pedestrian is detected, actuators lift the bonnet, creating more space between it and the hard structures in the engine bay. Mercedes-Benz showed that the system worked robustly for pedestrians of different statures and at a wide range of speeds, so the system was tested in the deployed position. Results were good in almost all of the areas tested.

Safety assist
Electronic stability control is standard. A seatbelt reminder is standard for the front and rear seats. A driver-set speed limitation device is available as an option and was included in the assessment as Mercedes-Benz expect most cars to be equipped with it. ‘Lane Departure Warning’ is also available on the GLA-Class as an option, but this is not expected to meet Euro NCAP’s fitment criteria for inclusion in the assessment. Since it started production, the GLA- Class has had Collision Prevention Assist® as standard. From VIN WDC1569081J025585, the vehicle has been fitted as standard with Collision Prevention Assist Plus®, an autonomous emergency braking system which helps the driver avoid or mitigate collisions at low, city speeds and at higher speeds typical of out-of-town driving.

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