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#BS-2021-MERG55-27E42021 Mercedes Benz G 550
Based on reports from 11 owners and 7 recalls for this exact model.
Preliminary Verdict
Proceed with Caution
Based on 11 complaints, 2 crashes, 2 fires, and 7 recalls.
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Mechanic Inspection Checklist
3 owners reported electrical issues.
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Electrical (3 reports).
Also in your report
Owner Intelligence
AI-synthesized themes from real complaints
Buyer Lot Checklist
Questions, test drive checks, walk-away triggers
Negotiation Talking Points
Data-backed dollar deductions
Buy / Skip Verdict
Final recommendation with conditions
Where the complaints fall
2021 Mercedes Benz G 550: Known Issues & Problem Areas
Electrical Issues
Electrical complaints account for 27% of all reports filed for the 2021 Mercedes Benz G 550, with 3 owners filing complaints with NHTSA.
Engine Issues
Engine complaints account for 27% of all reports filed for the 2021 Mercedes Benz G 550, with 3 owners filing complaints with NHTSA. Owners should pay attention to engine-related symptoms during test drives and pre-purchase inspections.
Fuel System Issues
Fuel System complaints account for 9% of all reports filed for the 2021 Mercedes Benz G 550, with 1 owners filing complaints with NHTSA. Owners should pay attention to fuel system-related symptoms during test drives and pre-purchase inspections.
Speed Control Issues
Speed Control complaints account for 9% of all reports filed for the 2021 Mercedes Benz G 550, with 1 owners filing complaints with NHTSA. Owners should pay attention to speed control-related symptoms during test drives and pre-purchase inspections.
Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.
Complaint trend by year
Complaints filed with NHTSA by year for the 2021 Mercedes Benz G 550. Recent trend: increasing.



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Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict
Recall History (7 recalls)
SEAT BELTS:PRETENSIONER
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 C-Class, E-Class, E-Class Coupe and Convertible, GLC, CLS, AMG GT 4-door Coupe and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. A faulty electrical contact within the seat position switch may prevent the driver and passenger air bags and seat belt force limiters from properly activating during a crash.
LATCHES/LOCKS/LINKAGES:DOORS:LATCH
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.
SEAT BELTS:REAR/OTHER:RETRACTOR
Mercedes-Benz, LLC (MBUSA) is recalling certain 2021 G550, AMG G63, E350, E450, AMG CLS53, AMG E53, AMG GT43, AMG GT53, AMG GT63, 2021-2022 CLS450, and AMG E63 vehicles. The rear seat belt automatic locking retractors may deactivate early, which can prevent the child restraint system from securing properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
COMMUNICATION: AUTO CRASH NOTIFICATION
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 connection failure, disabling the emergency call (eCall) system.
ELECTRICAL SYSTEM:WIRING
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).
+ 2 more recalls in the full report
Recall severity analysis & seller scripts
The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.
About this data
NHTSA Complaints
Federal database of owner-filed safety complaints. 11 records for this vehicle.
NHTSA Recalls
Manufacturer-issued safety recalls. 7 recalls found for this vehicle.
Repair Cost Data
Real-world repair costs from owner reports and independent databases.
2021 Mercedes Benz G 550: Frequently Asked Questions
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10 sections of AI analysis based on 11 owner reports. Know before you buy.