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10.0

really awful
Crashes / Fires:
0 / 1
Injuries / Deaths:
0 / 0
Average Mileage:
55,914 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2011 Mercedes-Benz E350 engine problems

engine problem

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2011 Mercedes-Benz E350 Owner Comments

problem #12

Jan 182023

E350 6-cyl

  • miles

A D V E R T I S E M E N T S

I noticed about to 6 months or less that my car would shut off or stall after starting ignition and also hearing water sloshing behind the dashboard and the radio does not work and the rear camera goes on/off which is safety hazard, and the Engine symbol remain lighted up even after checking all components. Also, on a few occasion my floorboard in the passenger back seat would be soak and wet. I took the car to my mechanic, and he inform that the drain valve was not working properly. after doing some research on the internet I found that this particular incident was happening in several of Mercedes years 2009-2011 E50, that it was a recall on the water drain system. Also, on 01/17/23 my sunroof was working without any problems, I attempted to close it and it stop midday and i hear the motor working, but the sunroof did not move, I did more research and found a recall on the bonding glue for sunroof and the glass was detached without warning. Even though my vehicle is not on the recall list, my car is having the same exacts problems and issues and reported by NHTSA. I would appreciate as response or advice to solve these problems, right now my car is a safety hazard to myself and other drivers. thank you for cooperation in this matter in advance. My Case from Corporate Mercedes Customer Care#[XXX]. INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).

- Pembroke Pines, FL, USA

problem #11

Jan 022013

E350

  • miles
1.ENGINE MOUNTS & TRANSMISSION MOUNTS COLLAPSED. This is the second time in 10 years that this is happening. It happened at the two year mark & Mercedes Benz made me pay for half of it. Now 8 years later it is happening again. They are asking $2,130 to replace it. 2. OIL FILTER GASKET Found severe oil links from oil filter housing. they are asking $1189.13 to replace it. this also happened 8 years ago & they made me pay for half of it as well.

- Stuart, FL, USA

problem #10

Jan 082018

E350

  • miles
Oil cooler leaking.repaired on January 2018, vehicle had 66724 miles, at Mercedes-Benz of West houston, even after repair the vehicle still has oil cooler leak. Timing chain rattle, incorrect signal from camshaft hall sensor. Ad-blue tank with heating element code 20B91B. Smell diesel on vehicle. The vehicle has now just 88566 miles.

- Katy, TX, USA

problem #9

Aug 232018

E350

  • 96,000 miles

A D V E R T I S E M E N T S

The contact owns a 2011 Mercedes-Benz E350. The contact stated that the vehicle stalled without warning and the steering wheel seized. The vehicle was towed to Mercedes-Benz of jackson (455 steed rd, ridgeland, ms 39157, (601) 956-4211). It was up to the dealer and warranty company to decide who would repair the power steering control unit. The vehicle was not repaired. The vehicle was not included in NHTSA campaign number: 10V459000 (steering). The manufacturer was notified of the failure. The approximate failure mileage was 96,000.

- Canton, MS, USA

problem #8

Dec 232016

E350

  • 90,000 miles
Oil leak at 90K mikes

- Cincinnati, OH, USA

problem #7

Jan 112016

E350

  • 96,317 miles
1. oil leak from the oil cooler assembly in the diesel engine. Obviously, a cheap gasket was used to seal it! mb, with diesel experience of over 80 yrs, should know by now what material they use in their diesel engine. This defect will develop in every car they made in the same way and they should recall the cars and correct the issue 2. the driver seat is torn along the tuft in the seat.this is happening across the board ion all mb cars using the same materials. Again, it is a material issue and should be corrected. Old mb seats lasted for decades!

- Concord, NC, USA

problem #6

Nov 032015

E350 6-cyl Diesel

  • Automatic transmission
  • 41,150 miles

A D V E R T I S E M E N T S

The contact owns a 2011 Mercedes Benz E350. The contact stated that there was abnormal leakage under the vehicle and an abnormal diesel odor. The vehicle was taken to a dealer where it was diagnosed that the oil cooler gasket needed to be replaced. The vehicle was not repaired. The manufacturer as notified of the failure. The failure mileage was 41,150. Updated 02/26/16; 05/02/18

- Boca Raton, FL, USA

problem #5

Oct 162015

E350

  • 96,500 miles
Vehicle was shifted to neutral, a loud thump was heard stopping the car. Vehicle was put back into drive with loss of power ultimately leading to no power to the wheels. Diagnostic work lead to several codes relating to transmission problems and failure.

- Naperville, IL, USA

problem #4

May 072015

E350 6-cyl Diesel

  • 92,000 miles
Oil cooler leaking oil. This is a $2200 fix. I should not be experiencing this on a $50,000 automobile with less than 100,000 miles on it. Mercedes Benz mbusa should be fixing this problem at their own expense.

- Jacksonville, NC, USA

problem #3

Apr 132015

E350 6-cyl

  • 90,000 miles
Rear main engine oil seal on the Mercedes-Benz E350 bluetec fail after 90,000 miles, the problem is that the engine has not been broken in yet and it's leaking from the rear main engine oil seal. This is a $1300 plus fix and I should not be experiencing on $50,000 automobile with less that 200,000 miles on it. Mercedes-Benz should be fixing this problem at their expense not mine.

- Jacksonville, NC, USA

problem #2

Jul 122014

E350

  • 49,000 miles
The contact owned a 2011 Mercedes Benz E350. While approaching a stop sign, the contact detected a strong burning smell inside the vehicle. The contact and the four passengers exited the vehicle and noticed that the undercarriage was on fire. The fire originated from under the hood and continued to the undercarriage and driver side door. The vehicle became completely engulfed in flames. The fire department extinguished the flames. A police report was filed as well as an incident report by the fire department. The vehicle was destroyed. The manufacturer was notified. The approximate failure mileage was 49,000.

- Mckinney, TX, USA

problem #1

Oct 262013

E350

  • 20,000 miles
The contact owns a 2011 Mercedes-Benz E350. The contact stated that while driving 35 mph, the vehicle went into limp mode and would not accelerate past 30 mph. The vehicle was taken to the dealer for inspection and they stated that due to excessive bio diesel, the engine needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 20,000.

- Hoffman Estates, IL, USA

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