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Engine
05/20/2026
The contact owns a 2023 Mercedes-Benz E-Class. The contact stated while driving at an undisclosed speed, the engine seized. The contact stated that the failure occurred while making a left turn. In addition, a malfunction error message illuminated. The contact stated while attempting to start the vehicle, the vehicle failed to start with the push to start. However, the vehicle did start using the key fob. The vehicle was taken to the dealer, however the failure was not duplicated. The manufacturer was not made aware of the failure. The failure mileage was approximately 25,000.
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Electrical System, vehicle Speed Control
09/01/2025
The contact owns a 2023 Mercedes-Benz E450. The contact stated that while driving at various speeds with the cruise control activated, a yellow "Active Lane Keeping Assistance is Inoperable" message was displayed, followed by a red "Emergency Braking to Begin" message displayed on the instrument panel. To prevent the failure, the contact immediately deactivated the cruise control. The dealer was notified about the failure on several occasions, and two separate cases were filed with the manufacturer. The dealer replaced the steering wheel, replaced several fuses, and performed several software updates to correct the failure under warranty; however, the failure persisted after each repair. The vehicle was not repaired. The failure mileage was approximately 15,500.
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Unknown Or Other
03/08/2026
While driving the vehicle in normal road conditions the car suddenly stop and activated the seat belts. This incidents has happened 4 times. The vehicle has been taken to the Mercedez-Benz service and it gas been released with no findings. I am concerned with this safety issue on my leased vehicle and the risk to cause a collision or injury. The last incident occurred on 3/8/2026, while driving the car.
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Service Brakes
02/02/2026
I am a small auto repair shop, in Houston, Texas. The driver's (left) side rear brake caliper bracket appears to be defective. The car came in with the mental to metal break wear on the driver's side, while the passenger's side brake pads still at 50% life. The break wear sensor didn't trigger the light, because there is only one sensor on the passenger side. Upon further investigation found that the inner brake pad was catching on the caliper bracket. Same was true for the new brake pad set as well. Fault appears to be in the caliper bracket. This could be a designed flaw by the manufacture., if so, it is your responsibility to get them.
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Tires
02/25/2024
RE: Continental Pro Contact GX SSR MOE 245/40 R19 98 H M+S Original factory installed Mercedes E450 tires. I had 3 blowouts from hitting small potholes on 3 different tires in 1.5 years. These are complete immediate blowout going completely flat on impact. It could have very dangerous if I were driving a little faster and fortunately there was no other damage to the car or other persons. In each case, I hit a small pothole, and the tire blew out, flat to the ground. Because these are run flat tires, on the first 2 incidents I was able to drive home and to the dealer for tire repair/replacement. The third one was so bad that I could not drive all the way home and had to get towed. But all 3 incidents were scary and dangerous because of the sudden blowouts. The tires were not repairable and had to be replaced. I believe that the Mercedes Tire inflation instructions is unsafe and they should put more air in the tires to protect from the rim cutting into the tire when hitti...
