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2.7

hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
55,464 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.

2009 Mercedes-Benz ML350 seat belts / air bags problems

seat belts / air bags problem

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2009 Mercedes-Benz ML350 Owner Comments

problem #18

Jul 052020

ML350

  • 115,000 miles

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

The rear seat belts do not retract once pulled out. Over the course of several days, they slowly work their way back up. No vehicle should have a seatbelt fail; it is even more ridiculous that this part failed in a car that is this expensive or that has had such a long history of safety. It isn't safe for anyone to sit in the back seats because the seat belts are out-stretched so far that a person would be thrown forward a ways before the seatbelts stopped them. That is dangerous.

- Golden Valley, MN, USA

problem #17

Apr 292019

ML350

  • 70,000 miles
Both rear seat belts will not retract. They are fully extended.

- Boise, ID, USA

problem #16

Dec 052017

ML350

  • 78,000 miles
It does not retract back at all

- Flower Mound, TX, USA

problem #15

Jun 112016

ML350

  • 80,000 miles

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

2 issues: Right side rear seat belt will not retract. Second; after a week in the dealership to fix an A/C unit that cuts out repeatedly, and the assurances that the new harness they installed would fix the problem, it hasn't. even though the outside temps are not into triple digits, it will stop cooling and slowly the air temp rises. I thought that being in slow traffic was the reason, but on the open road and an oat of 74, it did it agsin.

- Oakland, CA, USA

problem #14

Sep 282013

ML350

  • miles
Rear seat belts do not retract

- Wall, NJ, USA

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problem #13

Apr 042016

ML350

  • 55,000 miles
LH rear seat belt does not retract.

- Ann Arbor, MI, USA

problem #12

Jan 072016

ML350

  • 69,500 miles

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

Rear left seat belt will not retract.

- Acton, MA, USA

problem #11

Jan 012016

ML350

  • 65,000 miles
The rear seat belts do not fit snugly and they will not retract after usage. This is a serious safety issue as they are inoperable. Back seat passengers are at risk during driving.

- Grand Rapids, MI, USA

problem #10

Oct 062014

ML350 6-cyl

  • 48,000 miles
Rear seat belts are loose, seat belts don't hold and don't go back. On both sides in rear. Seat belts stays loose. This is a defect.

- Los Angeles, CA, USA

problem #9

Feb 012015

ML350 6-cyl

  • 68,822 miles
I had a passenger in the rear of my vehicle and she told me the seat belts did not work. The rear passenger belt would not retract. When I stopped the vehicle we checked both sides and neither rear belts are working. They are all out of the containment system and locked. They will not retract and therefore cannot be used. I contacted mb usa to find out if there is a recall for the seat belts after I went online and found out that this is a very common problem with their vehicles. They told me there is no recall and they referred me back to the dealership. I am about to call the dealership, but I suspect that what I read online is true. They are passing on a defective seat belt to the consumer to repair just as I read online. I am filing this complaint in the hope that you will investigate mb for this issue. I have been a long-time customer of mb, but this may just change my mind.

- Lanham, MD, USA

problem #8

Sep 012014

ML350

  • 60,000 miles

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

Rear seatbelt will not retract. Mileage is past warranty coverage & fix is very pricey (approx $800). This is a major safety issue especially with passengers, mostly children, in the back. I googled this & it seems I am not the only one who has this issue. It is wide spread & a fault of the manufacturer. Mercedes should be required to fix this free of charge! please help.

- Fort Myers , FL, USA

problem #7

Apr 022012

ML350

  • miles
Rear seat belts on both sides do not retract. They have not worked since we purchased the car. Although I have found numerous complaints online of this problem, with this make and model, I have not yet found a recall. Please consider an investigation on this issue. As our children are almost always the ones in the back seat, it is their lives at risk from this faulty equipment.

- Fleming Island, FL, USA

problem #6

Apr 042014

ML350

  • 59,000 miles
The rear passenger and middle passenger seat belts both went slack. Not due to any misuse. Certified preowned warranty expired October 31, 2013. Mercedes covered cost of parts, I picked up cost of labor.

- Darien, CT, USA

problem #5

Dec 012013

ML350

  • 60,000 miles
Both rear seat belts will not retract. They get stuck fully open.

- Hauppauge, NY, USA

problem #4

Dec 182013

ML350

  • 50,000 miles
Both rear seat belts will not retract. Dealer wants $1450 to fix them.

- Saint Louis, MO, USA

problem #3

Sep 172013

ML350 6-cyl

  • 65,039 miles
Rear seat belt won't retract. The rear seat belt behind the driver will not retract.

- Snellville, GA, USA

problem #2

Dec 012013

ML350

  • 55,000 miles
Rear seat belt won't retract. Many have this problem according to online forums. Very common issue. Mercedes Benz will not cover, vehicle out of warranty. They want over $700 to fix.

- Phoenix, AZ, USA

problem #1

Oct 012013

ML350

  • miles
Rear seat belt will not retract. That seat belt rarely gets used and is clean as a whistle. In reading online forums, this appears to be a common problem with this model.

- Plano, TX, USA

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