VehicleVerdict

2014 Mercedes-Benz Ml550 problems

Verdict · NHTSA data

Limited data — recalls on file

NHTSA has just 4 complaints on file for the 2014 Mercedes-Benz Ml550 — too few to judge reliability from owner reports alone — but 3 recall campaigns apply to this year, so any used example should have its VIN checked for completed recall work.

4

NHTSA complaints

3

Recalls

0

Investigations

0

Crash-involved

0

Fires reported

0

Injuries

0

Deaths

—

NCAP overall

How does 2014 compare to other Ml550 years?

Ml550 NHTSA complaints by model year, 2014 highlighted24 complaints2008: 24 complaints2009: 4 complaints2010: 4 complaints2011: 11 complaints2012: 3 complaints2013: 3 complaints2014: 4 complaints
Ml550 NHTSA complaints by model year, 2014 highlighted. Red bars are years to avoid.

See all Ml550 years to avoid →

What are the most common 2014 Mercedes-Benz Ml550 problems?

ComponentComplaintsShare
Electrical System125%
Engine125%
Lighting125%
Other125%

Does the 2014 Mercedes-Benz Ml550 have recalls?

3 NHTSA recall campaigns on file. Recall repairs are free at franchised dealers.

22V955000Fuel SystemDecember 23, 2022 · 348,183 units

Defect

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2012-2014 ML550, 2012-2015 ML350, AMG ML63, 2015 ML250, ML400, 2016 GLE450, GLE300, 2016-2018 GLE350, GLE550, 2016-2019 GLE400, 2017-2019 AMG GLE43, and 2016-2020 AMG GLE63 vehicles. Water might accumulate in the spare tire wheel well and damage the fuel pump control unit, which could cause an engine stall while driving.

Consequence

An engine stall while driving increases the risk of a crash.

Remedy

Dealers will install a water drain plug, inspect for water intrusion, and replace the fuel pump control unit as necessary, free of charge. Owner notification letters were mailed February 15, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's numbers for this recall are 2023010002 and 2023010003.

19V787000OtherNovember 1, 2019 · 24,226 units

Defect

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: https://static.nhtsa.gov/odi/rcl/2019/RMISC-19V787-4620.pdf

Consequence

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.

18V272000SuspensionApril 27, 2018 · 9,725 units

Defect

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2012-2014 ML350 Bluetec 4Matic and ML550 4Matic, 2012-2015 ML63 AMG 4Matic and ML350 4Matic, 2013-2016 GL350 Bluetec 4Matic, GL550 4Matic and GL63 AMG 4Matic, 2017 GLS350d 4Matic, GLS450 4Matic, GLS550 4Matic and GLS63 AMG 4Matic, 2015 ML400 4Matic, 2016 GLE400 4Matic, GLE350 4Matic, GLE63 AMG 4Matic, GLE63S AMG 4Matic, GLE450 4Matic Coupe and GLE63S AMG 4Matic Coupe, 2015-2016 GL450 4Matic and 2013-2014 GL450 4Matic vehicles equipped with the Active Curve System (ACS). In certain driving conditions, if the oil level in the ACS reservoir is below the minimum level, the oil may foam and leak out of the vent holes in the reservoir cap.

Consequence

The leaking oil in the presence of an ignition source can increase the risk of a fire.

Remedy

MBUSA will notify owners, and dealers will correct the oil level as necessary and replace the reservoir sealing cap to prevent oil foam from leaking out, free of charge. The recall began August 30, 2018. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018070015.

Consumer complaints filed with NHTSA

Representative excerpts, cleaned of personal information. These are consumer statements, not verified defects.

“The turn indicators stop working suddenly and randomly giving inaccurate/false indication to the driver of the vehicle that indicators are turned on and no indication of turn signal to the other drivers that can be hazardous especially at the 4 way stop signs where other drivers are assuming that…”

Complaint filed with NHTSA · Lighting · January 10, 2023

“The turn indicators stop working suddenly and randomly giving inaccurate/false indication to the driver of the vehicle that indicators are turned on and no indication of turn signal to the other drivers that can be hazardous especially at the 4 way stop signs where other drivers are assuming that…”

Complaint filed with NHTSA · Electrical System · January 10, 2023

“I purchased a new vehicle from the dealer in 2014 in 2019 the wood grain trim cracked. I had this replaced by the dealer in 2019. Now again, in 2024, the same issue the wood grain has cracked. This should not be happening every few years.”

Complaint filed with NHTSA · Other · December 2, 2024

2014 Mercedes-Benz Ml550 — common questions

Is the 2014 Mercedes-Benz Ml550 reliable?

The record is thin — 4 NHTSA complaints — so owner-report data can't strongly confirm reliability either way, though 3 recalls should be verified as completed.

Does the 2014 Mercedes-Benz Ml550 have recalls?

Yes — NHTSA lists 3 recall campaigns affecting the 2014 Mercedes-Benz Ml550. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.

Which Mercedes-Benz Ml550 years should you avoid?

Based on complaint rates and open investigations, the Ml550 years to avoid are 2011, 2009, 2010. The cleanest record among Ml550 years belongs to 2013.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.