📖 The Quick Answer
The Mercedes-Benz Driver Assistance Package bundles Active Distronic Cruise Control with Active Speed Limit Assist, Active Steering Assist (lane centering), Active Brake Assist with Cross-Traffic Function (AEB), Active Lane Keeping Assist, Active Blind Spot Assist, Evasive Steering Assist, PRE-SAFE Plus (rear AEB), Active Emergency Stop Assist, and Traffic Sign Assist. EQS and S-Class add Drive Pilot, which is SAE Level 3 hands-off eyes-off up to 40 mph in traffic on mapped highways.
⚙ How It Works (Sensors and Algorithm)
Hardware is a multi-purpose stereo camera behind the windshield, a long-range forward radar in the lower grille, four corner radars, ultrasonic sensors, and (on EQS and S-Class) a lidar in the lower bumper and a road-moisture sensor in the front wheel well. The ADAS ECU fuses inputs and controls throttle, brake, and the variable-ratio electric power steering. Drive Pilot uses HD map data, GPS, and the lidar to maintain a Level 3 envelope.
🛡 What It Protects Against
Rear-end collisions (PRE-SAFE prepares the cabin for impact by tensioning seatbelts), lane departures, blind-spot lane changes, evasive maneuvers around pedestrians, and rear-end strikes from following traffic. IIHS rates C-Class, E-Class, GLC, GLE, and S-Class with the Driver Assistance Package as Top Safety Picks Plus.
⚠ Limitations and When It Fails
Drive Pilot is geofenced to roughly 40,000 miles of US Interstate highway in California and Nevada, requires traffic at 0 to 40 mph, requires the lidar to be clean, and requires the driver-facing camera to see the driver eyes. It disengages immediately on rain, snow, road construction, or sun glare. After a windshield replacement, both static and dynamic camera calibration are required using XENTRY Diagnosis.
🚗 Which Vehicles Have It
The full Driver Assistance Package is standard or optional on every 2020+ Mercedes-Benz: A-Class, C-Class, E-Class, S-Class, CLA, CLS, GLA, GLB, GLC, GLE, GLS, G-Class, EQB, EQE, EQS, EQE SUV, and EQS SUV. Drive Pilot Level 3 is available on 2024+ EQS Sedan, 2024+ S-Class (excluding S 580e), and select 2025 models.
🔧 Related TSBs and Recalls
Recall 22V-431 covers the front stereo camera on certain 2019 to 2021 E-Class and GLE, which can lose calibration after exposure to high cabin temperatures. TSB LI82.91-P-073039 covers Distronic and PRE-SAFE recalibration after a windshield replacement.