AutoDefect IQ

2014 Mercedes-Benz G550 problems, complaints & recalls

1
Complaints
3
Recalls
81
Service bulletins
0
Crashes reported
0
Fires reported
0
Deaths

Safety recalls (3)

Engine And Engine Cooling:engine:engine Control Module (Ecu/Ecm):software 2022-03-18 · campaign 22V168000 · 22 vehicles

Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2010 E350, 2014 G550, 2008-2009 C300, 2008 C350, 2009 CLK550, 2007 SL550, SLK280, and 2008 SLK350 vehicles. Various control units may have been updated with incorrect software configuration during a service repair. This can result in various system failures, such as loss of drive power, reduced exterior lighting, or loss of dynamic control functions, including stability and traction control.

Risk: Various system failures, such as loss of drive power, reduced exterior lighting, or loss of dynamic control functions including stability and traction control, can increase the risk of a crash.

Fix: Dealers will update the software configuration on the affected control units, free of charge. Owner notification letters were mailed May 3, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022040003.

Communication 2019-11-01 · campaign 19V787000 · 24,226 vehicles

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

Risk: An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.

Fix: 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.

Steering 2017-04-11 · campaign 17V250000 · 10,832 vehicles

Defect: Mercedes-Benz USA, LLC.(MBUSA) is recalling certain 2013-2016 G550 and G63 AMG vehicles and 2016 G65 AMG vehicles. The steering coupling may have been insufficiently tightened, resulting in the steering connection wearing.

Risk: The steering coupling wear may cause a loss of steering, increasing the risk of a crash.

Fix: MBUSA will notify owners, and dealers will replace the steering coupling, free of charge. The remedy is currently unavailable. Interim notifications informing owners of the safety risk were mailed May 27, 2017. Owners will receive a second notice when remedy parts become available. Owners may contact MBUSA customer service at 1-800-367-6372.

Service bulletins (81)

Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.

Service Brakes 2026-09-22 · LI42.10-P-078779 · Service Bulletin/Repair Instructions

complaint repeat workshop visit for vehicle vibration while braking from 60mph. note: although the symptom is similar to a tire or wheel vibration, it is usually readily noticeable that it is distinctly different if it happens at all times or only while braking. cause although the cause of the vibra

Structure:body 2026-09-14 · LI82.62-P-078631 · Service Bulletin/Repair Instructions

complaint clanking noise from the area of the speakers in the doors. cause under analysis. remedy to narrow down the cause, first of all remove the door trim. • if the noise continues to occur even with the door trim removed, then continue the diagnosis working towards the speaker and if necessary,

Electrical System 2026-08-12 · LI54.65-P-080132 · Service Bulletin/Repair Instructions

complaint 1. general diagnostic tips 2. one or more park sensor activations 3. red ring around vehicle 4. "active parking and parking assist inoperative" on instrument cluster 5. cameras 6. other park topics. cause various root causes remedy see attached diagnostic guide.

Electrical System 2026-08-06 · LI82.85-P-079087 · Service Bulletin/Repair Instructions

complaint a popup is seen on the hu with the message "data connection temporarily not available". potentially affected functionalities in ntg4.5, ntg5 1.weather 2.local search 3.ip radio 4.send2car 5.speech detection service 6.navigation 7.iheartradio 8.traffic cams cause mb apps is sundowned for al

Structure:body 2026-08-06 · LI82.62-P-078631 · Service Bulletin/Repair Instructions

complaint clanking noise from the area of the speakers in the doors. cause under analysis. remedy to narrow down the cause, first of all remove the door trim. • if the noise continues to occur even with the door trim removed, then continue the diagnosis working towards the speaker and if necessary,

Structure:body 2026-07-21 · LI54.70-P-080191 · Service Bulletin/Repair Instructions

complaint consistently reproducible erroneous parktronic warnings from front with every key cycle. cause the parking sensors are detecting the front brush guard. remedy complaint must be consistently reproducible and can occur multiple times a key cycle without obvious cause. note: the parking syste

Showing the 6 most recent of 81 bulletins. Search all of them free at nhtsa.gov.

What owners report

2016-01-05 · Unknown Or Other · 424 mi

“front left & right blinkers fail at different times. error code reads, "check front right turn signal." fault happens at various times, while driving on highway, at a stop sign, etc. fault appears & blinker is inoperable. dealership has tried 8 times to fix issue.…”

Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.

Other Mercedes-Benz G550 years