NHTSA lists 2 complaints for the 2020 Mercedes-Benz G 550, 0 of them mention a crash and 0 mention a fire. 0 complaints mention an injury, with 0 injuries and 0 deaths reported.
Data build 2026-10-10.
NHTSA lists this vehicle as MERCEDES-BENZ G 550.
Recalls
See new recalls and investigations this week.
8 recalls.
Date: 2024-09-09. Systems: LATCHES/LOCKS/LINKAGES.
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2023 G 550 and 2019-2022 G63 AMG vehicles that received a replacement door latch during a service visit or prior recall repair. Components within the right-side rear door latch may prevent the rear doors from latching or opening properly.
Consequence: The rear door may appear closed even when the latch is not fully engaged, allowing the door to open while driving and increasing the risk of injury or a crash. Damaged latch components may prevent the rear door from being opened while inside the vehicle, increasing the risk of injury.
Remedy: Dealers will replace the right-side rear door latches, free of charge. Owner notification letters were mailed October 11, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. Vehicles in this recall that were previously repaired under recall 21V-353 will need to have the new remedy completed.
Do not drive: No. Park outside: No.
Date: 2023-02-17. Systems: ELECTRICAL SYSTEM.
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2021 G550 and AMG G63 vehicles. The front axle wiring harness may chafe against an oil cooler and become damaged, which can cause a loss of anti-lock brakes (ABS) and electronic stability control (ESC).
Consequence: A loss of anti-lock brakes or electronic stability control can increase the risk of a crash.
Remedy: Dealers will inspect and either install a protective sleeve or replace the front axle wiring harness, as necessary, free of charge. Owner notification letters were mailed April 10, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2023030005.
Do not drive: No. Park outside: No.
Date: 2022-05-20. Systems: COMMUNICATION, ELECTRICAL SYSTEM.
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. An error in the communication module's SIM card software can cause a mobile network connecti (excerpt)
Consequence: A disabled eCall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency responders and increasing the risk of injury. (excerpt)
Remedy: The communication module software will be updated through an Over-the-Air (OTA) update or by a dealer, free of charge. Owner notification letters were mailed July 8, 2022. Owner notification letters will be mailed in phases, on July 8, 2022, May 17, 2024, July 29, 2024, and September 27, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's numbers are for this recall is 2 (excerpt)
Do not drive: No. Park outside: No.
Date: 2021-07-12. Systems: AIR BAGS.
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 CLS450, AMG E53, AMG CLS53, E350, E450, AMG GT43, AMG GT53, 2020 S450, S560, G550, AMG GLC63, 2020-2021 GLC300, and AMG G63 vehicles. The side crash sensor connectors may come loose, which could delay the activation of air bags and seatbelts during a side impact crash.
Consequence: Air bags and seatbelts that don't function as intended can increase the risk of injury during a crash.
Remedy: Dealers will inspect and replace as necessary, the side impact crash sensors, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021070032/33.
Do not drive: No. Park outside: No.
Date: 2021-05-14. Systems: LATCHES/LOCKS/LINKAGES.
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2021 G550 and G63 AMG vehicles. Components within the door latch may prevent the rear doors from latching or opening properly.
Consequence: The rear door may appear closed even when the latch is not fully engaged, allowing the door to open while driving and increasing the risk of injury or a crash. Damaged latch components may prevent the rear door from being opened while inside the vehicle, increasing the risk of injury.
Remedy: Dealers will replace the rear door latches, free of charge. Owner notification letters were mailed July 9, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. Note: Vehicles repaired prior to this recall must return to dealers to have the remedy performed. MBUSA's numbers for this recall are 2021060007 and 2021060014.
Do not drive: No. Park outside: No.
Date: 2021-02-05. Systems: COMMUNICATION, ELECTRICAL SYSTEM.
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 veh (excerpt)
Consequence: Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash. (excerpt)
Remedy: 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. (excerpt)
Do not drive: No. Park outside: No.
Date: 2020-05-01. Systems: EQUIPMENT, LATCHES/LOCKS/LINKAGES.
Defect: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019-2020 G550 and G63 vehicles. The embossed lock symbol for the child safety lock on the rear doors may indicate the incorrect lock status of the child safety lock.
Consequence: If an unrestrained child unexpectedly opens a door, they may fall from the vehicle increasing their risk of injury.
Remedy: MBUSA will notify owners, and dealers will install a label on the rear doors with the correct operating direction, free of charge. The recall began June 26, 2020. Owners may contact MBUSA customer service at 1-877-496-3691. MBUSA's number for this recall is 2020050034.
Do not drive: No. Park outside: No.
Date: 2020-02-14. Systems: ELECTRONIC STABILITY CONTROL (ESC), POWER TRAIN, SERVICE BRAKES, HYDRAULIC.
Defect: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019-2020 G550 4MATIC and G63 AMG 4MATIC vehicles. An electrical resistor within the differential locking module may malfunction, interrupting communication between the control unit and the differential locking actuator, possibly resulting in the deactivation of the Electronic Stability Program (ESP) and Anti-lock Brake System (ABS) while drivi (excerpt)
Consequence: Deactivation of the vehicle stability control system or anti-lock brakes may increase the risk of a crash. (excerpt)
Remedy: MBUSA will notify owners, and dealers will inspect the differential locking modules and replace them as necessary, free of charge. The recall began August 21, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020070005. (excerpt)
Do not drive: No. Park outside: No.
Manufacturer communications
136 manufacturer communications.
Communications by system| System | Count |
|---|
| ELECTRICAL SYSTEM | 47 |
|---|
| POWER TRAIN | 25 |
|---|
| ENGINE | 19 |
|---|
| EQUIPMENT | 12 |
|---|
| STRUCTURE | 11 |
|---|
| ENGINE AND ENGINE COOLING | 7 |
|---|
| EXTERIOR LIGHTING | 7 |
|---|
| UNKNOWN OR OTHER | 7 |
|---|
11038187
Date: 2026-09-26. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
Complaint Customer complaints relating to automatic transmission 725.0 (NAG3 Classic /9Ga TRONIC automatic transmission) and 725.1 (NAG3 facelift/9Ga TRONIC automatic transmission facelift) For faster, more effective and more targeted diagnosis, Intelligent Predictive Repair (IPR) has been develop
11038186
Date: 2026-09-22. Type: Service Bulletin/Repair Instructions. Systems: SERVICE BRAKES.
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
11037987
Date: 2026-09-14. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
Complaint Only vehicles with a variable transfer case are affected. This can be identified through control unit N45 or N15/7 in the quick test. When accelerating with light load, vibrations or jolting sensation may come from the drivetrain. It may be mistaken for a harsh shift. Cause Modified oil qu
11037616
Date: 2026-09-04. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
Complaint Customer complaints relating to automatic transmission 725.0 (NAG3 Classic / 9Ga TRONIC automatic transmission) and 725.1 (NAG3 facelift/9Ga TRONIC automatic transmission facelift) For faster, more effective and more targeted diagnosis, Intelligent Predictive Repair (IPR) has been develo
11036607
Date: 2026-08-26. Type: Service Bulletin/Repair Instructions. Systems: BACK OVER PREVENTION, FORWARD COLLISION AVOIDANCE.
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
11036999
Date: 2026-08-15. Type: Warranty Program/Extension. Systems: FUEL/PROPULSION SYSTEM.
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
11036142
Date: 2026-08-12. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
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.
11036229
Date: 2026-08-12. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.
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
11036101
Date: 2026-08-06. Type: Service Bulletin/Repair Instructions. Systems: STRUCTURE.
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. a ? If the noise continues to occur even with the door trim removed, then continue the diagnosis working towards the speaker and if necessary
11036190
Date: 2026-08-06. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
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