Mercedes C-Class (2023) Crash Test

The passenger compartment of the Mercedes-Benz C-Class remained stable in the frontal offset test. Dummy numbers showed good protection of the knees and femurs of both the driver and passenger. Mercedes-Benz showed that a similar level of protection would be provided to occupants of different sizes and to those sitting in different positions. Analysis of the deceleration of the impact trolley during the test, and analysis of the deformable barrier after the test, revealed that the C-Class would be a moderately benign impact partner in a frontal collision. In the full-width rigid barrier test, good protection was provided to all critical body areas of the driver and rear passenger and the C-Class scored maximum points in this part of the assessment. In both the side barrier and pole impact tests, protection of all critical body areas was good and the car scored maximum points in this part of the assessment. Control of excursion (the extent to which a body is thrown to the other side of the vehicle when it is hit from the far side) was found to be adequate. The C-Class has a counter-measure to mitigate against occupant to occupant injuries in such impacts and this performed well in Euro NCAP's test. However, Mercedes-Benz could not demonstrate that the airbag provided symmetrical protection (i.e. that it provided the same level of protection when the impact was on the passenger’s side as it did when struck on the driver’s side) and a penalty was applied. Tests on the front seats and head restraints demonstrated good protection against whiplash injuries in the event of a rear-end collision. A geometric analysis of the rear seats also indicated good whiplash protection. The C-Class has an advanced eCall system which alerts the emergency services in the event of a crash. The car also has a system which applies the brakes after an impact, to avoid secondary collisions.

In the frontal offset test, good or adequate protection was provided to all critical body areas of both child dummies. In the side barrier test, protection of the head of the 10 year dummy was rated as marginal, based on measured accelerations, but that of all other body regions was good. The front passenger airbag is automatically disabled when a rearward-facing child restraint is put in that seating position. Tests showed that the system worked robustly and the system was rewarded. All of the child restraint types for which the car is designed could be properly installed and accommodated.

The C-Class has an ‘active’ bonnet. Sensors in the bumper detect when a pedestrian has been hit and actuators lift the bonnet to provide more clearance to the hard structures in the engine compartment. Mercedes-Benz showed that the system responded correctly to various pedestrian statures and over a wide range of speeds. Accordingly, the system was tested with the bonnet in the raised (deployed) position. The protection provided to the head of a struck pedestrian was good at almost all test locations. The bumper provided good protection to pedestrians’ legs at all test points but the protection provided to the pelvis by the front edge of the bonnet was mixed. The CClass has an autonomous emergency braking (AEB) system which can respond to vulnerable road users as well as to other vehicles. The system performed adequately in tests of its response to pedestrians. The system’s response to cyclists was good, with collisions avoided in most test scenarios.

The C-Class has a seatbelt reminder system on the front and rear seating positions. The AEB system performed well in tests of its response to other vehicles, with collisions avoided in the great majority of test scenarios. A camera-based speed assistance system identifies the local speed limit and provides the information to the driver, allowing the limiter to be set appropriately. A lane support system gently corrects the vehicle’s path if it is drifting out of lane and intervenes more aggressively in some more critical situations.

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✅ Source: Euro NCAP

00:00 Adult Occupant
02:02 Child Occupant
02:35 Vulnerable Road Users
03:35 Safety Assist