2014 Mercedes-Benz S-Class reliability

Is it reliable?

NHTSA's file on the 2014 Mercedes-Benz S-Class holds 25 complaints after 13 years, a rate of 3 per year. That is more complaints per year than most S-Class years here — over the median of the other years, which is 2. NHTSA has no recalls on file for this model year.

2012 Mercedes-Benz S-Class
Photo by Navigator84, resized from the original. Wikimedia Commons CC BY-SA 3.0
Complaints

25

Per year

3

Recalls

0

Years on the road

13

What owners report

The complaints owners file most often name Steering (3 of 25), then Air bags (2) and Fuel and propulsion system (2). Those filings include 4 that report a crash and 2 that report an injury.

Next to 2013 and 2015

The 2013 S-Class has 9 complaints, 1 per year, and the 2015 has 51 complaints, 4 per year. The 2014 has more complaints per year than the 2013. The 2014 has fewer complaints per year than the 2015.

The complaint rate is complaints filed in this year’s first 3 years on the road, divided by however many of those years have passed. Recalls are a separate count. The numbers are for the US-market 2014 Mercedes-Benz S-Class. How we count. Data as of .

Recalls (0)

No recalls on file with NHTSA for this model year.

Complaints by component (25 total)

Steering
3
Air bags
2
Fuel and propulsion system
2
Powertrain
2
Seat belts
2
Service brakes
2
Suspension
2
Visibility
2
Visibility and wipers
2
Adaptive and mobility equipment
1
Electrical system
1
Engine and engine cooling
1
Exterior lighting
1
Forward collision avoidance
1
Hydraulic brakes
1
Lane departure
1
Latches, locks, and linkages
1
Speed control
1
Structure
1
Tires
1
Wheels
1
Show 13 more Show less
Crash-flagged

4

Fire-flagged

0

Injury reports

2

Death reports

0

Complaints filed per year

320144201522016120173201812019220202202112022120233202422025
Excerpts from recent NHTSA complaint filings
  • "We almost got into crash the other day, our 8-year-old kid got our attention that rear seatbelt got very loose and did NOT retract back at all. he almost hit his head. when I asked him if it has been like this he said…"
    Seat belts · filed 2025-10-24
  • "The contact owns a 2014 Mercedes Benz S550. The contact stated that while the vehicle was idling, there was an abnormal ticking sound coming from the vehicle. There was no warning light illuminated. The contact became…"
    Engine and engine cooling · filed 2025-07-31
  • "The contact owns a 2014 Mercedes-Benz S550. The contact stated while the vehicle was parked, the contact became aware that the brake pads were corroded. There was no warning light illuminated. The vehicle was taken to…"
    Hydraulic brakes · filed 2024-08-12
  • "Bumper minor collision"
    Unknown or other · filed 2024-02-26

NHTSA crash ratings

Version Overall Front Side Rollover
2014 Mercedes-Benz S-CLASS 4 DR 4WD Not rated Not rated Not rated Not rated
2014 Mercedes-Benz S-CLASS 4 DR RWD Not rated Not rated Not rated Not rated

Stars are how this vehicle did in NHTSA crash tests. They are a safety result, separate from the complaint record. Not rated means that test was not run for this version.

Specs and fitment

W222, 2012–2020
Body styles Sedan, Coupe, Cabriolet
Oil 0W-30, 0W-40, 5W-30, or 5W-40 (S 550) , 8.5 qt capacity
Tire size 245/45R19 (common); AMG staggered larger (trim dependent) front / 245/45R19 or 275/40R19 staggered (trim dependent) rear

Known issues for this generation

Recall 20V-449 covers certain 2017-2019 S-Class vehicles (with C-Class, E-Class, and related coupe/convertible/CLS models) where an unfastened front seat belt may trigger only a steady warning lamp instead of the intended blinking lamp and audible tone. Dealers update instrument-cluster software. NHTSA complaints on 2015 S-Class filings most often name seat belts, structure, and the electrical system.

Compare

Frequently asked questions

Is the 2014 Mercedes-Benz S-Class reliable?

NHTSA's file on the 2014 Mercedes-Benz S-Class holds 25 complaints after 13 years, a rate of 3 per year. That is more complaints per year than most S-Class years here — over the median of the other years, which is 2. NHTSA has no recalls on file for this model year.

What are common problems with a 2014 Mercedes-Benz S-Class?

The complaints owners file most often name Steering (3 of 25), then Air bags (2) and Fuel and propulsion system (2). Those filings include 4 that report a crash and 2 that report an injury.

Is the 2014 Mercedes-Benz S-Class more reliable than the years next to it?

The 2013 S-Class has 9 complaints, 1 per year, and the 2015 has 51 complaints, 4 per year. The 2014 has more complaints per year than the 2013. The 2014 has fewer complaints per year than the 2015.

Has the 2014 Mercedes-Benz S-Class been recalled?

NHTSA has no recalls on file for the 2014 Mercedes-Benz S-Class.

How many complaints have owners filed about the 2014 Mercedes-Benz S-Class?

Owners have filed 25 complaints about the 2014 Mercedes-Benz S-Class with NHTSA.

What oil does a Mercedes-Benz S-Class take?

W222 S 550 lists 0W-30/0W-40/5W-30/5W-40 (~8.5 qt); W223 S 500 lists 0W-40 or 5W-40 (~7.7 qt). Verify the MB approval sheet on the oil container.

What does recall 21V-843 cover on the S-Class?

Certain 2021-2022 S 580 and Maybach S 580 vehicles (9,120 units across those nameplates) where engine wiring may be incorrect—see the NHTSA campaign for the remedy.

Which S-Class generations does this site track?

W222 (2012-2020) and W223 (2021-on).