2018 Mercedes-Benz G550 problems, complaints & recalls
Safety recalls (1)
Communication: Auto Crash Notification 2021-02-05 · campaign 21V058000 · 1,292,258 vehicles
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles. Please refer to the Part 573 report for specific vehicle model details. The software design of the communication module may fail to communicate the correct vehicle location for the emergency call system (eCall) in the event of a crash.
Risk: Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
Fix: MBUSA will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. The recall began March 12, 2021. Owners may contact MBUSA customer service at 1-877-762-8267. MBUSA's number for this recall is 2021020025.
Service bulletins (94)
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,
Forward Collision Avoidance: Warnings 2026-08-26 · 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
Fuel/Propulsion System 2026-08-15 · CL - Tank Leak Detection · Warranty Program/Extension
dear mercedes-benz owner: in our continuing efforts to ensure the proper performance of mercedes-benz products and to enhance the satisfaction of our customers, mercedes-benz usa is extending the warranty coverage for the diagnostic module for tank leakage detection ("dmtl") on your vehicle from the
Engine 2026-08-12 · LI01.20-P-080884 · Service Bulletin/Repair Instructions
complaint oil leaks found on m176 or m177 engines diagnosed to be from the cylinder head cover area cause unknown (under investigation) remedy if oil leaks are found at left or right cylinder head cover area please collect the following information and open tips case. 1. collect photos of the leak 2
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.
Showing the 6 most recent of 94 bulletins. Search all of them free at nhtsa.gov.
What owners report
No detailed complaint narratives on file.
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.