Brake Hoses, Lines/piping, And Fittings Problems of Mercedes Benz E350

Mercedes Benz E350 owners have reported 7 problems related to brake hoses, lines/piping, and fittings (under the service brakes category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Mercedes Benz E350 based on all problems reported for the E350.

1 Brake Hoses, Lines/piping, And Fittings problem of the 2013 Mercedes Benz E350

Failure Date: 05/28/2025

The contact owns a 2013 mercedes-benz E350. The contact stated that when the vehicle was taken for a routine inspection, the dealer diagnosed that the rear brake lines were rusted through. The contact was informed that the rear brake lines needed to be replaced. The vehicle was not repaired. The manufacturer was informed of the failure. The failure mileage was approximately 134,000.

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2 Brake Hoses, Lines/piping, And Fittings problem of the 2012 Mercedes Benz E350

Failure Date: 05/15/2024

Brake lines to the rear have corroded and car can not be driven.

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3 Brake Hoses, Lines/piping, And Fittings problem of the 2014 Mercedes Benz E350

Failure Date: 08/08/2022

The contact owns a 2014 mercedes-benz e-350. The contact stated that the vehicle was leaking brake fluid. The brakes were inoperable. There were no warning lights illuminated. The vehicle was taken to the local dealer where the contact was informed that the brake lines were rusted. The vehicle was not repaired. The manufacturer was notified of the failure but no additional assistance was provided. The approximate failure mileage was 62,000.

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4 Brake Hoses, Lines/piping, And Fittings problem of the 2013 Mercedes Benz E350

Failure Date: 01/21/2021

I took my car in for its annual service on January 21, 2021, and was told that the rear subframe and brake lines were so badly rusted that the car was unsafe to drive. The entire subframe and rear left and right brake lines had to be replaced at a cost of $5,300 (Mercedes Benz USA gave me a "good will" discount so I paid less than that amount). I am the original owner of this vehicle and I take meticulous care of it. It is parked in a garage, receives every recommended maintenance check at the same mechanic (euro motorcars bethesda, MD) and has low mileage for its age. Only one year and 7,000 miles had elapsed between the car's last service and the discovery of the corrosion. In other words, in just one year the subframe of the car corroded to the extent that it was so unsafe to drive that according to the mechanic I am lucky that I did not get into an accident. I have owned many cars throughout my life for upwards of 10 years and none of them have had rust corrosion issues. I have to believe that there was something defective with the materials Mercedes Benz used on this vehicle's subframe. The NHTSA database shows that another person with the same vehicle (who coincidentally seems to have purchased his car at the same dealership where I purchased mine - euro motorcars bethesda) also filed a complaint for the exact same issue. How many other owners have had this problem but don't know that they can file a safety complaint with the NHTSA? the mechanic took a short video of the corrosion that I am not attaching to this complaint; please contact me if you would like me to send it.

5 Brake Hoses, Lines/piping, And Fittings problem of the 2006 Mercedes Benz E350

Failure Date: 09/24/2020

Brakes failed, red warning light alerted me, I managed to stop the car on a slight incline with emerg brake help. Luckily I was going slowly on a city street. Car was towed to mercedes in richmond va . They found nothing wrong and reset the code. Said it was fine to drive. When I questioned this, they said they could bleed the brake line, even though they admitted air in the line would not activate red brakes failed warning light. Mb richmond va stated that they thought the problem was the sbc unit, but because the 'wrong code' indicating the sbc unit was at fault, showed up, they were not required to perform the warranty work (good for 25 years ).

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6 Brake Hoses, Lines/piping, And Fittings problem of the 2007 Mercedes Benz E350

Failure Date: 08/22/2020

Brakes did not catch like I pushed brakes all the way. I have to pump brakes 3-4 times before driving and when reversing they lock. I took it to a mechanic and the abs control module is not working now it needs to be replaced. I can't drive it since the brake lines hav eno brake fluid running through them.

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7 Brake Hoses, Lines/piping, And Fittings problem of the 2013 Mercedes Benz E350

Failure Date: 02/19/2020

I have a model year 2013 mercedes E350 that has a safety defect with rusted brake lines that should be investigated by your agency. During a recent visit to the mercedes dealer (euromotorcars in bethesda, maryland), I was informed that my car has severely rusted brake lines that need to be replaced immediately at a cost of about $3300. I subsequently had my car inspected by an independent repair shop (star car auto service in rockville, maryland) that confirmed the dealer's diagnosis that the brake lines are rusted and need to be replace. The service advisor at the dealership told me he has seen this issue on many cars like mine. As a retired senior, I have owed numerous vehicles (one car I owned for over thirty years) and never had to have the brake lines replaced on any of my cars. Having to replace the brake line on a seven year old car with only 37,000 miles is not acceptable by any standard and should be investigated by your agency. I have attached the estimate from the dealer and pictures taken by the dealer of the rusted brake lines. I am concerned for my family's safety and for others on the road as a brake line failure could cause a serious accident resulting in injury or death. Please look into this serious issue of rusting brake lines on my 2013 mercedes E350.


Other Common Service Brakes related problems of Mercedes Benz E350



E350 Service Bulletins
E350 Safety Recalls
E350 Defect Investigations