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Test Drive Report Mercedes S-Class Drive Pilot: Full Assistance in the Benz

If one does not compete with Tesla in terms of propulsion, at least in driver assistance. We were driving with Level 3 automation and tested the standard Level 2 ADAS.  

On a new level: The Drive Pilot already masters traffic jams quite confidently. | Photo: Daimler
On a new level: The Drive Pilot already masters traffic jams quite confidently. | Photo: Daimler
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It is telling that Daimler has hidden the chapter "Drive" that was always previously placed at the forefront somewhere further back this time. But it is indeed true: the actual highlight of the new S-Class, in which it takes the lead and if you want, serves as a placeholder for the all-electric EQS, which has been moved up to 2021, is not the "conventional" drive, but rather the driver assistance. Even in the "base" model, the Benz comes with Level 2 autonomous driving, equipped with Active Distance Assist DISTRONIC, Active Speed Limit Assist, Active Traffic Jam Assist, Active Steering Assist, Active Lane Change Assist, Active Emergency Stop Assist, Active Brake Assist, Evasive Steering Assist, Active Lane Keeping Assist, and Active Blind Spot Assist.

High Control Quality: Smooth Braking and Correction

But it is above all the "how" that makes the ride in the "S" really "classy". It brakes gently if the distance should be too short, steers just as gently if you leave the lane. It slows down before curves if the driver approaches them too optimistically. It automatically adjusts downwards when the cameras detect a speed limit. It warns of a red light if the driver appears to be inattentive. It applies full brakes if a playing child runs into the street. It warns if the driver wants to swing the door open while a cyclist is approaching. It swerves if a cyclist suddenly veers left because there is an obstacle in the bike lane. In terms of fusion from three radar sensors, multi-purpose front as well as 360-degree rear camera and twelve ultrasonic sensors and fine-tuning, Daimler is indeed on par with Tesla.

What’s happening: The S-Class will be semi-autonomous up to 60 km/h starting next year

At least: Because, what they want to introduce optionally and in accordance with pioneering German legislation in the second half of 2021 is a Level 3 automation system. However, as an engineer explained to us, they consciously do not call it “Auto Pilot,” but rather “Drive Pilot.” It's logically and clearly activated via an additional thumb button on the steering wheel, which, like the light ring above the steering wheel, remains illuminated in blue as long as the system is active. We were already allowed to take a first ride in Immendingen.

And we are impressed by how confidently the Drive Pilot operates. It uses an additional Lidar sensor in the front, a camera in the rear window (for detecting emergency vehicles), external microphones, a precise HD map, and highly accurate positioning well beyond GPS level. The system, bundled in a powerful central computer, handles situations like slow traffic or stop-and-go driving with ease, automatically forming an emergency lane. It always seeks out a lead vehicle but immediately gives up if, for example, a traffic participant unexpectedly cuts in from an entrance ramp. Then, the Benz brakes as if by magic while we follow a soap opera on the large screen TV and briefly look up: Was there something?

Cooperation: The system closely involves the driver

Because that’s exactly the difference: At Level 3, one can engage in these secondary activities but must be "on the screen" again within ten seconds. If an emergency vehicle approaches from behind, the extra camera detects this and clearly hands control back to the driver via the head-up display and the central screen. It is precisely this cooperative functionality that impresses and distinguishes the S-Class from Tesla’s “Auto Pilot.” Following its launch as an optional package, the engineers are eager to expand quickly. Technically, this is not a problem, the test engineer confidently states. It is now up to regulators to create the conditions for higher speeds, which can then be updated via “over-the-air” interface.

The Intelligent Park Pilot is then built on the Drive Pilot, enabling automated parking at Level 4, also known as “Automated Valet Parking.” We steer towards the start and end point of the pilot car park P6 at Stuttgart Airport – and could soon just drop the car at the drop-off point. It will find a spot by itself. On the other hand: driving the S-Class itself, in the truest sense of “autonomous” driving, also has its charm. Well, it doesn’t have to be in the narrow 60s-style parking garage.

Translated automatically from German.
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