A couple of days ago, while out running an errand, my 2022 GLE 350 AWD SLAMMED on the brakes. There were no cars in front of me, and thankfully, none behind me. After running my errand, I came back around to take a photo of how the road/area had looked. (See attached) It scares me knowing that this could have caused an accident if someone had been behind me. Wondering now if I should turn this feature off. Please be aware that when you approach something similar to what you see in the photo, your vehicle may stop on a dime and throw everything in the passenger seat into the floor. Very scary experience, and again, just thankful no one was behind me when this happened.

I have very little confidence in all this driver assist technology. When I took delivery of my G550 a couple years ago, no one said anything about its lane keeping feature that defaults to ON. About 20 minutes later I was driving down a 2 lane road that had only a single stripe lane marker. Ahead of me were 2 cyclists riding side by side occupying half the lane (there was no paved shoulder). There was no oncoming traffic, and when I crossed the lane to provide the cyclists plenty of clearance, lane keeping tried to throw me back into the right lane to collide with them. Clearly the vehicle's "intelligence" does not factor in anything but road stripes. I permanently disabled lane keeping as it's extremely stupid and hazardous.

Thanks for sharing your experience.
Here is a video on this topic on a newer model, obviously no hardware issue just wish Mercedes perfected the software algorithm more. This is a review unit as well so keep that in mind. https://youtu.be/EoVIr1pomww

I understand the saying of better have it when not needed than not having when you needed though.

You need to use a turn signal. That would have prevented the car from trying to keep you in your lane. The system is designed to prevent you from crossing the center line due to inattention or incapacitation. The turn signal tells the car it is an intentional maneuver.

Would any of us really have used a turn signal to go half into the other lane around some bikers?

Exactly! Complaining about lane keep assist throwing one back into the lane when neglecting to indicate a lane change is a bit lame. It's doing exactly what it's meant to do in this situation. It's not programmed to enable bad driving behavior. Only BMW drivers don't use their blinkers . I'm not a particular fan of LKA. I have mine turned off permanently as well as I don't need any assistance to stay in my lane, but these systems exist because the average driver sucks. Not indicating when changing lanes is one of those sucks.

I am gonna say this, though. We are all human and sometimes we look away at the wrong time or simply don't react as fast, so things like emergency brake assist that slams on the brakes in an emergency can make the difference between rear ending someone and stopping in time. No system is perfect, though, but neither are human drivers. For every false positive of such systems, there are probably 10 human errors and nobody comes to post their own errors here. The reality is, these systems prevent more collisions than they cause, we just apply a different standard to when they fail vs our own failures.

Yes -- when I figured out what had happened, I learned that a turn signal is required to disable the LKA in such instances. But having no idea that LKA was even a "feature", I neglected a turn signal activation. Apparently another disabling event is if you jerk the steering wheel aggressively in what would be regarded as an evasive maneuver, such as avoiding an animal, LKA doesn't fight you. But anytime a feature's operation needs further qualification by a dozen "if in the event of . . .", I conclude that I'm better off without it. LKA is a great feature for all the folks too busy with other tasks than driving while driving, and find themselves wandering all over the highway, but that's not how I was taught to drive.

And this is what annoys me most. Much of this driver assist stuff is convincing drivers that they can be inattentive and the car will save them. I recall reading a forum post by a guy who was convinced LKA and cruise control equaled self-driving, if only he could find a way to spoof the steering wheel into believing his hands were still present. He was experimenting with wrapping aluminum foil on it., I guess so he could climb into the backseat and take a nap.

I guess Tesla was whom started this "idea" of "self-driving" cars as well.

I do because I'm encroaching on an oncoming lane.

It was actually Mercedes before Tesla existed.

That's not my experience with Active LKA. Maybe I wasn't Aggressive enough, but once a box fell off a truck in front and I quickly crossed a lane marker but the brakes pointed me right at the box again. The other (and the absolute last time I ever engaged that feature) a car in the adjacent lave swerved, I reacted, and my car said "I'm gonna teach that driver a lesson" and It was a test of wrist strength.
I don't trust it.
Armed or not, cross traffic alert will yell at you and liven up your instrument cluster with a big red alert.

I can't speak for everybody, but yes, I absolutely use the blinkers when crossing into an oncoming lane. Make your intentions known to everybody around you, including the bikers in case they turn their head as they hear you approaching, so they know you are about to pass them.

There's this perception among some people that automated driving systems, whether it's assistance systems or more advanced self-driving systems, are somehow supposed to be infallible. That's not how it's going to work. Self-driving cars will still crash. Moving objects in close proximity are sooner or later going to collide. Sensors can fail, cameras can be blinded, dirt on the windshield can confuse the camera, snow covering lane markers and/or signs etc. You may still recall the case of a Tesla on Autopilot crashing into a semi that was turning in front of it, because the camera didn't see the white semi against the sun in the background. The big question with self-driving cars is who they are going to sacrifice if a collision is inevitable. However, people get very upset when they are not in control and the computer crashes the car.

It's also worth mentioning that these assistance systems are tuned differently on different cars. For example on AMGs, they are much less intrusive, because those cars are intended to be driven more dynamically, so these systems even when turned on stay mostly out of the way unless intervention is truly warranted. For example I had LKA turned on initially and when I went on an aggressive canyon run where I occasionally crossed over the center lane marker, it never intervened. It detected that I was driving dynamically and it stayed out of my way. Regular cars are designed for commuting and such where drivers drift off mentally etc., so these systems are much more conservative in those cars. It's also worth reading the owner's manual and familiarize yourself with how to override them. For example for OP, all they had to do was slam on the accelerator pedal to override it.

The reverse brake assist has definitely saved my rear end twice from impatient speedy drivers wanting to zoom around me while I'm halfway reversed out of a parking stall. I've also had a couple false positive brake slams. Never a front false positive though.

I don't believe for a nano-second that all the Boy Scouts on this forum recite "I shall dutifully use my turn signal" while backing out of their driveways. More than likely they find signaling most useful for other drivers, and take action to prevent that car's lane change.

IMHO, it’s best to make peace with these systems and treat them as an additional pair of eyes and senses. We only have two eyes and none of them in the back. Even the forward emergency brake assist has probably saved my bacon at least a couple of times when the car ahead of me suddenly and unexpectedly slowed down and it reacted way faster than I could. It’s most of the time some other driver pulling a shenanigan that causes these systems to engage for me.