Which parts fail
Components named in complaints (automatic emergency braking, adaptive cruise, lane keeping, backup camera).
Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2022 Mercedes-Benz EQS450 owners, lightly cleaned up (personal details are redacted by NHTSA).
The contact owns a 2022 Mercedes-Benz EQS450V. The contact stated while driving approximately 35 MPH, and with no traffic around him, the vehicle inadvertently braked to a stop. The contact stated there was no other vehicle or pedestrian in front of his vehicle. The contact stated no warnings were illuminated. The contact stated he was able to continue with normal driving functions. The contact stated that the inadvertent braking failure occurred again when he was at a traffic light. The contact stated that as the light changed to green, he depressed the accelerator pedal the vehicle moved forward, and then stopped in the middle of the intersection. The contact stated that the vehicle behind him crashed into his rear bumper. …
The contact owned a 2022 Mercedes Benz EQS 450. The contact stated that while driving approximately 15 MPH and approaching a parked vehicle on the side of the road, the contact depressed the brake pedal; however, the vehicle failed to stop. There was no warning light illuminated. Due to the brake failure, the front passenger's side bumper crashed into the rear driver's side bumper of the parked vehicle. The contact stated that the vehicle continued to maintain the same speed while depressing the brake pedal. The contact stated that after passing the first vehicle, his vehicle independently took a right turn and continued driving onto the sidewalk and onto the driveway of a home before crashing into the vehicle parked in the driveway which pushed the other vehicle into the garage door. …
The contact owns a 2022 Mercedes-Benz EQS450. The contact stated while reversing out of the driveway, the vehicle experienced phantom braking. The contact stated that while driving 30 MPH, the failure recurred while there was no vehicle or objects nearby the vehicle. The contact stated that while driving 40 MPH, the failure recurred, and the contact was propelled towards the steering wheel. An unknown warning light was illuminated. The vehicle was taken to the dealer, where an unknown software update was completed; however, the contact requested about a buy back because he was concerned for his safety. The contact was unsure whether the vehicle was repaired. The manufacturer was notified of the failure, and a case was filed. The dealer later informed the contact that the manufacturer had denied the buyback request. The failure mileage was approximately 7,000.
The contact owns a 2022 Mercedes-Benz EQS450. The contact stated that while driving at an undisclosed speed, the Forward Collision Avoidance feature engaged several times, causing the vehicle to brake unintendedly. The contact stated that there were no vehicles or objects in front of the vehicle when the failure occurred. The contact stated there were no warning lights illuminated. The vehicle was taken to a local dealer, where it was diagnosed that a software update needed to be performed to fix the issue. The repair was pending. The contact stated that the vehicle had previously been repaired due to the same failure. The manufacturer was made aware of the failure and a case was opened. The failure mileage was approximately 11,500.
i am an owner of Mercedes 2022 EQS, living in Westchester, New York. There are a number of flaws in the auto drive software system that the company refuses to acknowledge. 1) the sensors on the passenger side of the car do not register a car immediately adjacent to you. Thus, while the auto steering feature still keeps the car within the lane, if the car to the right lane of my vehicle is adjacent to me, there is no way for the auto steering to compensate by moving toward the left of my lane to avoid physical contact with the other car if they are teetering left in their lane. This is particularly dangerous on highways when traffic is moving at breakneck speed and/or 18 wheelers occupy the middle lane. 2) the auto drive feature does not keep the car in the middle of the lane when the road veers either left or right. …
The "Active Assist" features of the vehicle [Blind Spot Assist, Braking Assist, Distance Assist, Emergency Stop Assist and Lane Change Assist - was not able to check all of these above because of the selection limit] have repeatedly and randomly become inoperative while I was driving the car. I have expressed my safety concerns with the service department and management of the dealership that sold me the car. While they have returned the car to me with the malfunction temporarily cured, it has recurred on more than three occasions, sometimes "fixing" itself and other times requiring dealer intervention. The dealership cannot assure me that it is fully and finally "fixed" and I have no reason to believe that the issue will not recur as it has so many times in the past. …
Car is equipped with Distronic cruise and has maximum 4 car lengths stopping distance. It was set on 4 car length. While driving north on 55 fwy and exiting to 405 fwy in California. Exit (single lane) was dead stop due to traffic and while I was on cruising at 70 mph. Car would not stop and I had to take over to stop- hard braking just in time. The SUV behind me had to swear to emergency lane ( right side) to avoid a rear end collision. All my family (4) were screaming that it could've been a serious accident. This has happened more than once. Even on the surface road reaction to stop is late and jerky. My self and my wife hates it. 3 attempts at the dealership has not resolved it. [redacted] of Ontario Ca answer is, it up to the specs. My request for repurchase was rejected as it doesn't fall into Lemon law. It is a major safety defect and can be dangerous to use of Distronic cruise.
On several occasions driving at 50+ mile per hour maintaining a safe distance and with no hazards around, the vehicle abruptly stops and the last time it skid damaging my rim. 1) It appears that the electronic braking system (EBS) is defective. 2) My safety as well as vehicles behind me are at risk of collision due to this problem. 3) I brought this vehicle to the dealership and they claimed that they worked on it and asked to come back if this issue happens again. 4) This vehicle has been taken to the dealership but I'm not sure if it was inspected by the manufacturer. 5) There were no warning lights, no messages or any symptoms which makes this nerve wrecking since it can happen at any moment. …
I was driving my EQS on Thursday May 25th, 2023, at about 1:30 PM heading eastbound on the southern portion of the 202 Loop in Maricopa County AZ at a rate of about 75 MPH on a clear day with minimal traffic when without warning my vehicle locked up the brakes in an emergency stop. The tires left skid marks, seat belts tightened, and the screen in form to me flashed red warning signs. It happened so fast and without warning that when I realized we had come to a stop I look in the rear-view mirror and saw a truck headed towards my car, so I accelerated, and the car moved forward. Once off the freeway I drove the remaining 2 miles home along city streets at a low rate of speed and contacted Mercedes and Mercedes Benz of Gilbert. I was told that there was a defect int eh software pertaining to the EBS and that a software update would resolve it. …
I was traveling at 75 mph along the freeway on a clear day around 2pm when all of a sudden the car's autonomous emergency braking system fully engaged and brought the car to a dead stop. there were no obstacles or impediments in front of the car or near the car at the time. It was terrifying and could have resulted in me seriously injured or killed if there had been any vehicles traveling behind me. This had happened twice previously with the car but in less dangerous conditions and at lower speeds, but this time it was much worse. It has caused me a lot of ongoing anxiety and mental anguish and I feel very emotionally distraught by the incident. This is a brand new Mercedes EQS vehicle that I have only had a few weeks.
Related recalls
Back over prevention › Display function
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022 AMG EQS53, EQS580, EQS450, 2021 S500, S580, and Maybach S580 vehicles. The rearview camera may not display the rearview image due to a software error in the MBUX multimedia system.
Remedy: Dealers will update the MBUX multimedia system software, free of charge. Owner notification letters are expected to be mailed August 19, 2022. Owners may contact MBUSA customer service at 1-800-367-6372.
Collision Avoidance complaints in other EQS450 years
Frequently asked questions
How common are collision avoidance problems on the 2022 Mercedes-Benz EQS450?
NHTSA has 20 complaints about the driver assistance of the 2022 Mercedes-Benz EQS450, 77% of the model year's 26 complaints. The component named most often is automatic emergency braking (14 mentions).
Is there a recall for 2022 Mercedes-Benz EQS450 collision avoidance problems?
Yes — NHTSA recall 22V-493 (display function, Jul 11, 2022). Recall repairs are free at authorized dealers.
At what mileage do 2022 Mercedes-Benz EQS450 collision avoidance problems start?
Half of the complaints with a recorded mileage happened before about 23,000 miles, and 75% before 25,000 miles.
Is it dangerous?
Owners linked 2 crashes, 0 fires and 1 injury to driver assistance problems on this model year. If you notice symptoms, have the car checked before driving further.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.