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2015 Mercedes-Benz E350 problems

The most common problem on the 2015 Mercedes-Benz E350 is electrical system. It has fewer complaints than a typical E350 model year.

Typical yearClose to a typical year
Year score
80/100
Owner complaints
31
Recalls
6
Service bulletins
1284 warranty
Worst area
Electrical
Fuel economy
23mpg

The worst 2015 Mercedes-Benz E350 problems

Ranked by number of owner complaints. Mileage and cost come from what owners wrote.

  • Electrical
    5
  • Steering
    5
  • Body
    4
  • Brakes
    4
  • Driver assistance
    3

Problems by type

Tap a problem to see which part fails, at what mileage and in which other years.

  • Electrical
    5
  • Steering
    5
  • Body
    4
  • Brakes
    4
  • Driver assistance
    3
  • Wheels
    3
  • Airbags
    2
  • Engine
    2
  • Fuel system
    2
  • Suspension
    2
  • Tires
    2
  • Visibility
    2
  • Transmission
    1

Recalls 6

CommunicationReported November 1, 2019 · 24,226 vehicles affected
What is wrong
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2013-2017 vehicles due to a software fault that may cause the date and time for the emergency call system (eCall) to differ from the actual date and time, potentially relaying an inaccurate vehicle location. For a full list of the affected models visit:
Risk
An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.
Remedy
MBUSA has initiated an Over the Air (OTA) remote update. MBUSA will also notify owners, and dealers will check software for a successful OTA or update the communication module software as needed, free of charge. The recall began December 23, 2019. Owners may contact MBUSA customer service at 1‑800‑367‑6372. MBUSA's number for this recall is 2019120008.

Recall number 19V787000 · Recall details

Air bags: frontalReported October 6, 2017 · 495,290 vehicles affected
What is wrong
Mercedes-Benz USA, LLC. (MBUSA) is recalling these vehicles: 2014-2018 CLA250, CLA250 4Matic, CLA45 AMG 4Matic, 2015-2018 GLA250, GLA250 4Matic, GLA45 AMG 4Matic, C300 4Matic, C63S AMG, 2012-2014 C250, C350, C300 4Matic, E550 4Matic, 2013-2014 C63 AMG, 2012-2015 C250 Coupe, C350 Coupe, C63 AMG Coupe, 2013-2015 C350 4Matic Coupe, GLK250 4Matic BlueTec, GLK350, GLK350 4Matic, 2016-2017 C350e, C43 AMG, 2015 C400 4Matic, 2016-2018 C63 AMG, GLC300, GLC300 4Matic, 2017-2018 C300 Coupe, C300 4Matic Coupe, C43 AMG, C63 AMG Coupe, C63S AMG Coupe, C300 Cabriolet, C300 4Matic Cabriolet, C43 AMG Cabriolet, C63 AMG Cabriolet, C63S AMG Cabriolet, GLC300 4Matic Coupe, GLC43 AMG, GLC43 AMG Coupe, 2014 E350 Coupe, E350 4Matic Coupe, E350 Cabriolet, E400 Hybrid, 2015-2017 E400 Coupe, E400 4Matic Coupe, E400 Cabriolet, 2014-2017 E550 Coupe, E550 Cabriolet, B250e, 2014-2016 E250 BlueTec, E63 AMG 4Matic Wagon, 2012-2013 E350 BlueTec, 2012-2016 E350, E350 4Matic, 2015-2016 E400, E400 4Matic, 2012 E63 AMG, 2014-2015 E250 4Matic BlueTec, 2013-2016 E350 Wagon, 2017 GLC300d 4Matic, and 2018 GLC350e 4Matic. The driver's air bag may unexpectedly deploy due to insufficient grounding of the steering components if an electrostatic discharge occurs and the air bag clockspring is broken.
Risk
If the driver air bag inadvertently deploys, it can increase the risk of injury and a crash.
Remedy
MBUSA will notify owners, and dealers will add sufficient grounding to the steering components, free of charge. The recall began in December 6, 2017. Owners may contact MBUSA customer service at 1‑877‑496‑3691.

Recall number 17V627000 · Recall details

Electrical system: softwareReported March 14, 2017 · 51 vehicles affected
What is wrong
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 AMG GT-S, GLC300, CLA250 and GLE300d 4Matic vehicles, 2013 C250, E350 BlueTec and G63 AMG vehicles, 2008-2014 C300 vehicles, 2013-2014 C300 4Matic and ML350 4Matic vehicles, 2009 C350 vehicles, 2014 CLS550, E350 4Matic, E350 Coupe 4Matic, E350 Wagon 4Matic, GLK350 and SL550 vehicles, 2012 CLS550 4Matic vehicles, 2012-2016 E350 vehicles, 2016-2017 GL450 4Matic vehicles, 2012-2014 ML350 4Matic BlueTec vehicles, 2015 S550, S550 4Matic and C300 4Matic Sedan vehicles, 2015-2016 C300 Sedan vehicles, and 2017 SL63 AMG vehicles. Various control units on these vehicles may have been updated with incorrect software, potentially affecting the correct deployment of the air bags in the event of a crash.
Risk
If the air bags do not deploy as intended in the event of a crash, there would be an increased risk of injury in the event of a crash.
Remedy
MBUSA will notify owners, and dealers will update software in the affected control units, free of charge. The recall began April 21, 2017. Owners may contact MBUSA customer service at 1‑800‑367‑6372.

Recall number 17V177000 · Recall details

Steering: electric power assist systemReported December 14, 2016 · 70 vehicles affected
What is wrong
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2013-2015 SL550, 2013-2014 SL63 AMG, 2014-2016 E350, 2014 E350 Cabriolet, E350 Coupe, 2014-2015 S550, 2015 E350 Bluetec, 2015-2016 E400, 2016 E550 Coupe, and Maybach S600 vehicles manufactured August 23, 2012, to August 14, 2015. The affected vehicles use an electric power steering system that may have improperly soldered contacts inside the control unit, potentially resulting in the power steering system deactivating while driving.
Risk
If the control unit pins lose connection, there would be a loss of electric power steering assist, increasing the risk of a crash. The increase in pin contact resistance can also increase the risk of a fire, even while the vehicle is parked and ignition is off.
Remedy
MBUSA will notify owners, and dealers will replace the electric power steering control unit, free of charge. The recall began October 13, 2017. Owners may contact MBUSA customer service at 1‑800‑367‑6372.

Recall number 16V899000 · Recall details

Structure: body: hoodReported February 13, 2015 · 147,224 vehicles affected
What is wrong
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2013-2015 E350 Sedan, E350 4Matic Sedan, E350 4Matic Station Wagon, E400 Hybrid Sedan, CLS 550 CGI, and CLS550 4Matic, 2013-2014 E550 4Matic Sedan, 2013 E63 Sedan, E63 Station Wagon and CLS63, 2014-2015 CLS63 4Matic, E63 4Matic Sedan, E63 4Matic Sedan "S", and E63 4Matic Station Wagon, 2015 CLS400, 2015 E400 Sedan, E400 4Matic Sedan and CLS400 4Matic and 2014 CLS63 "S". The affected vehicles have a rubber seal at the back of the engine bay that may temporarily stick to the hood when it is opened and then may fall into the engine bay when the hood is closed.
Risk
If the rubber seal falls into the engine compartment, it may contact parts of the exhaust system, increasing the risk of a fire.
Remedy
MBUSA will notify owners, and dealers will attach four additional retaining clips to the rubber seal, free of charge. The recall began March 6, 2015. Owners may contact MBUSA customer service at 1‑201‑573‑5339. MBUSA's number for this recall is 2015020001.

Recall number 15V088000 · Recall details

Seat belts: rear/other: buckle assemblyReported December 24, 2014 · 1,378 vehicles affected
What is wrong
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2015 E250 Diesel, E250 Blue Tec 4 Matic, E350 Sedan, E350 Sedan 4 Matic, E350 Wagon 4 Matic, E400 Sedan, E400 Sedan 4 Matic, E63 Sedan, and E63 Wagon vehicles manufactured October 8, 2014, to October 24, 2014. In the affected vehicles, the double seat belt buckle for the middle position of the rear passenger seat could fail under loading experienced in a severe frontal crash.
Risk
If the middle position double seat belt buckle assembly fails under load such as in a severe frontal crash, there is an increased risk of injury to the seat occupant.
Remedy
MBUSA will notify owners, and dealers will replace the double seat belt buckle, free of charge. The recall began February 2, 2015. Owners may contact MBUSA customer service at 1‑800‑367‑6372. MBUSA's number for this recall is 2014120006.

Recall number 14V818000 · Recall details

See all 6 recalls for the 2015 Mercedes-Benz E350

Defect investigations

Desiccated Air Bag Inflator RuptureOpened September 17, 2021, still open

From 2000 through 2017, Takata produced millions of air bag inflators using two types of phase-stabilized ammonium nitrate ("PSAN") propellant -- propellant 2004 and propellant 2004L. After prolonged exposure to high temperature cycles and humidity, inflators using propellant 2004 can degrade, causing the propellant to burn too quickly when ignited. The rapid burning can cause the inflator to rupture during deployment, potentially causing serious or even fatal injury to vehicle occupants. See 2016 Blomquist Report at all frontal inflators using propellant 2004 that do not contain a "desiccant" (a substance that traps and holds moisture) in US vehicles are under recall. These "non-desiccated" inflators either have been or are required to be replaced.In some cases, the remedy part for these recalled inflators was, or will be, an inflator using either propellant 2004 or 2004L that does contain a desiccant. None of these "desiccated" remedy parts (which were installed in older model year vehicles) are currently under recall for a degradation concern. Certain subsets of desiccated PSAN inflators using propellant 2004 for use as original equipment, however, have been recalled for a degradation concern. All Takata inflators produced with propellant 2004L contain desiccant, and none of these desiccated inflators using propellant 2004L are under recall for a degradation concern. There have been no reported field ruptures in any non-recalled desiccated PSAN inflators.It is understood that desiccants fully saturate at some threshold, at which point any additional moisture will not be captured. This means the degradation process observed in non-desiccated inflators using propellant 2004 may also occur in non-recalled desiccated inflators using propellant 2004, assuming additional moisture enters the inflator and high temperature cycling occurs. Based on available information, desiccant saturation can occur within the first five years in the worst environments, and the time required for full saturation is affected by multiple factors. While no present safety risk has been identified, further work is needed to evaluate the future risk of non-recalled desiccated inflators using propellant 2004.Three entities -- Takata (now known as TK Global), the Independent Testing Coalition, and Exponent -- have been studying the long-term behavior of Takata desiccated PSAN inflators using propellant 2004L (as well as 2004) in the presence of moisture and temperature cycling. The research efforts, which include development of predictive modeling techniques and field sample analysis, are ongoing. To date, none of the researchers have identified field evidence showing that propellant 2004L is undergoing a degradation process that leads to aggressive deployment and potential rupture. However, the time in service of such inflators remains short compared to that of the inflators using propellant 2004. Further study is needed to assess the long-term safety of desiccated inflators using propellant 2004L.The Office of Defects Investigation is opening this investigation to examine whether a safety defect related to propellant degradation exists in non-recalled desiccated PSAN frontal inflators manufactured by Takata. This investigation will require extensive information on Takata production processes and surveys of inflators in the field. Lists of recall actions that may have used desiccated PSAN inflators as remedy parts, as well as the makes and models originally manufactured with them, is available with the downloadable version of this document (see -- note this information is subject to change/revision as the investigation proceeds). This investigation does not supersede EA15-001, which remains open.

EA21002

Rear brake line failureOpened April 24, 2020, closed October 9, 2020

On April 10, 2020, the federal safety agency's Office of Defects Investigation (ODI) received a defect petition from Mr. Surjit Singh alleging premature corrosion of the rear brake lines in his 2013 Mercedes-Benz E350 sedan. The petitioner states that he was recently informed by a Mercedes dealer service department that his car had severely rusted brake lines that need[ed] to be replaced immediately at a cost of about $3300. He further stated that the dealer service advisor informed him that he had seen the issue on many cars like his. The petitioner requested ?that the federal safety agency launch an investigation into this serious issue of rusting brake lines on [his] 2013 Mercedes E350.? The brake line corrosion reported by the petitioner did not result in brake line leakage or any compromise in brake system performance before it was detected in a dealer vehicle inspection. The petitioner submitted a complaint to the federal safety agency documenting his experience (the federal safety agency ID 11319024).On April 24, 2020, ODI opened Defect Petition DP20-004 to evaluate the petitioner?s request. ODI conducted a search for all consumer complaints and Early Warning Reporting (EWR) data related to allegations of brake line corrosion or leakage in 2013 Mercedes-Benz E350 sedans and similarly equipped vehicles. The 2013 E350 is a fourth-generation Mercedes-Benz E-Class vehicle (W212 platform), which was first sold in the United States in 2009 as a 2010 model. Mercedes-Benz sold approximately 245 thousand model year 2010 through 2015 E-Class sedan and wagon vehicles in the United States with the same brake line design as the petitioner?s vehicle.ODI?s search for complaints and EWR data in 2013 Mercedes E350 vehicles found no additional records related to the alleged defect. Expanding the search to all W212 platform vehicles identified just one incident, a complaint alleging unspecified brake line corrosion and leakage in a 2011 Mercedes-Benz E550 (the federal safety agency ID 10902081). The complaint did not allege that the brake line leakage resulted in reduced brake performance, crash, or injury. The resulting failure rate of 0.4 failures per hundred thousand vehicles is extremely low for a population that includes vehicles that have been in service for over ten years. After reviewing the available data, ODI has not identified evidence of a defect trend in the subject E-Class vehicles that would support opening a defect investigation into premature brake line corrosion failure. the federal safety agency is authorized to issue an order requiring notification and remedy of a defect if the Agency?s investigation shows a defect in design, construction, or performance of a motor vehicle that presents an unreasonable risk to safety. 49 U.S.C. ?? 30102(a)(9), 30118. Since the information before the Agency is not indicative of a vehicle-based defect, it is unlikely that any investigation opened because of granting this petition would result in an order concerning the notification and remedy of a safety-related defect. Therefore, upon full consideration of the information presented in the petition and the potential risks to safety, the petition is denied. The denial of this petition does not foreclose the Agency from taking further action if warranted or the potential for a future finding that a safety-related defect exists based upon additional information the agency may receive.A Federal Register notice further detailing the federal safety agency?s reasons for denial of the petition will be forthcoming.

DP20004

Technical service bulletins for the 2015 Mercedes-Benz E350 128

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

See all 128 bulletins for the 2015 Mercedes-Benz E350

2015 Mercedes-Benz E350 fuel economy

Official EPA estimates in miles per gallon (MPGe for electric). Ranges cover trims that share the same engine.

EngineDriveCityHighwayCombined
3.5L 6‑cylRWD202823

What 2015 Mercedes-Benz E350 owners say

Most recent owner complaints, unedited.

Filed Apr 7, 2026 · Fuel system · HI

the federal safety agency Complaint Vehicle: 2015 Mercedes-Benz E-Class Gas Fuel Pump Filter Housing Defective Know Manufacture defect -Fuel pooling under rear seat causing fumes in cabin. Health and fire risk. Request investigation and recall/Safety consideration. -Service Center inspection Video Confirmation -Requested Goodwill and Repair by Manufacturer Senior Advisor who corresponded with the Service Manager -No warning lamps, smell of gas for few weeks and unaware it was from the gas under the back seat. -Towed to Local Mercedes Dealer on March 25. Drivable-Fumes very Strong.

Filed Feb 5, 2026 · Fuel system · FL

2015 e3350 smells gas inside cabin, a mechanic detected a fuel leak in the electric pump that is located behind the drivers seat. 70000 miles no warning lights

Filed Dec 29, 2025 · Steering · 77,000 miles · NC

The contact owns a 2015 Mercedes-Benz E350. The contact stated that while his daughter was driving at various speeds, the steering wheel became difficult to steer in either direction. No warning light was illuminated. The local dealer was contacted; however, the vehicle was not diagnosed or repaired. The contact related the failure the federal safety agency Campaign: 16V899000(Steering); however, the VIN was not included. The manufacturer was made aware of the failure and referred the contact to the federal safety agency Hotline for assistance. The failure mileage was approximately 77,000.

Filed Jun 27, 2025 · Driver assistance, Electrical · MN

On [XXX] I went out and started my car and it said. Power steering was my function so I turned it off and tried it again. And it said the same thing. Power steering malfunction read the owner's menu which I did is said if you can steal it. Drive it to the nearest dealership. You can't park it Well, it was already parked in my driveway. So on June 13th. I had a toll to Feldmann Import in Bloomington MN I hate to think of what would happen if I was driving. Could it cause an accident? They confirmed that it was a problem with the stirring call at first I thought it was a leak. Turns it off that This is electrical steroid. The electronics on this during column went out. The report said it was no can message was received from the unit in 68. VS steering control unit. There was no warning that the power Stern was going to go out. I did have a engine light on, but that was due because of my. Rare radar's being out. That's the best way I can explain it. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Jun 7, 2025 · Brakes · NY

Rear brake lines rusted out on top of rear subframe which is rusting out and caused immediate brake failure . Our lives and the lives of other were at risk because we were driving on highway and suddenly brakes went to floor and had complete loss of brakes There were no prior warnings no way to prevent this ...i see there is a recall on the subframe but not on the brake lines even though ive now read of this happening to many people

Filed Jul 14, 2024 · Brakes · CT

I had a brake line blowout in my 2015 Benz E350 rear brake line blowout. The rear lines were complete rusted out.

Filed Dec 1, 2023 · Visibility · 112,000 miles · CA

The contact owns a 2015 Mercedes-Benz E350. The contact stated while driving at various speeds, the vehicle made abnormally loud cracking sounds. The contact stated that the failure mostly occurred while turning, driving over a bump in the roadway, and while driving on a steep roadway. An independent mechanic inspected the vehicle and determined that the abnormal sound was coming from the sunroof. The vehicle was not repaired. The contact related the failure to an unknown recall. The dealer and the manufacturer were not notified of the failure. The failure mileage was approximately 112,000.

Filed Oct 10, 2023 · Engine · SC

crankcase ventilation valve continues to fail. I have had it replaced twice in 3 months.

Filed Sep 6, 2023 · Brakes · NJ

I was driving the car and when applied the breaks noticed that they weren’t working. It was close to be an accident with the car in front of mine, but I was able to maneuver the car. When I stopped noticed that the break fluid container was almost empty and the fluid was leaking under the car. I brought the car to the Mercedes Benz dealership and they said that it was “normal corrosion” that caused the break lines to be totally rusted and leak. They also mentioned that “it was pretty common to happen in those cars during summer”. I had no option but to pay several thousand dollars for the replacement of the rusted and corroded brake lines. It is clear that Mercedes Benz doesn’t care about the safety of the passengers, and even worse, profiting from a defect in the materials that they use for the brake lines. Someone should make Mercedes-Benz recall the cars affected and replace the defective brake lines, free of cost for the owner. Passenger’s safety is not a business!

Filed May 8, 2023 · Electrical, Steering · WI

Electric power steering assist failure. Causing power steering to fail making steering very difficult, raising the chance for a crash.

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Other model years

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Questions about the 2015 Mercedes-Benz E350

Is the 2015 Mercedes-Benz E350 reliable?

Owners have filed 31 complaints about the 2015 Mercedes-Benz E350, fewer than a typical E350 model year.

What is the 2015 Mercedes-Benz E350 year score?

The 2015 Mercedes-Benz E350 scores 80 out of 100 (good). The score compares it with the other model years of the Mercedes-Benz E350: 75 is a typical year, 50 means twice the usual complaints, and serious complaints and recalls lower it.

What is the most common problem with the 2015 Mercedes-Benz E350?

Electrical system, with 5 complaints. Next is steering (5).

How many recalls does the 2015 Mercedes-Benz E350 have?

6 recalls, covering communication, air bags and electrical system.

Was there a recall on the 2015 Mercedes-Benz E350 electrical?

Yes, 2 recalls: 19V787000, 17V177000. Check your VIN to see if your car still needs the free repair.

What year does the Mercedes-Benz E350 have the most electrical problems?

The Mercedes-Benz E350 model years with the most electrical complaints are 2014 (38 complaints), 2006 (19 complaints) and 2008 (19 complaints).

What gas mileage does the 2015 Mercedes-Benz E350 get?

Official estimates for the 2015 Mercedes-Benz E350 range from 23 mpg combined. The most efficient version (3.5L 6-cyl, RWD) gets 20 city and 28 highway.

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