Research

2021 Mercedes-Benz AMG G63Recalls, problems, MPG & safety

NHTSA lists 8 safety recalls and 2 owner complaints for the 2021 Mercedes-Benz AMG G63. Most complaints involve electrical system (1) and engine (1).

Combined MPG
—
No EPA rating found
NHTSA overall
—
Not rated by NCAP
Safety recalls
8campaigns
Latest Sep 2024
Owner complaints
2
Top: electrical system
Fuel cost / yr
—
No EPA estimate
01 —Recalls

Safety recalls

8 NHTSA campaigns · applies to some vehicles, check your VIN

Latches

Free remedy

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.

Latches/locks/linkagesReported Sep 9, 2024NHTSA 24V659000

Fuel system

Free remedy

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2023 C-Class, E-Class, S-Class, CLS, SL, GT, GLC, GLE, GLS, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle details. The fuel pump may shutdown, which can result in a loss of drive power.

Fuel system, gasolineReported Jun 26, 2023NHTSA 23V445000

Electrical system: wiring

Free remedy

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).

Electrical systemReported Feb 17, 2023NHTSA 23V097000
Data from NHTSA Recalls API · synced Nov 13, 2026 · All recall detailsNHTSA vehicle page
02 —Complaints

Owner complaints by component

2 complaints filed with NHTSA · Jun 2022 – Dec 2024
  1. Electrical system1
  2. Engine1
  3. Lane departure1
  4. Other / unknown1

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

By model year

Complaints for each AMG G63 model year we’ve synced.

View as table
Model yearNHTSA complaints
20212
20253
Crashes reported
0
Fires reported
0
Injuries reported
0
Deaths reported
0
Data from NHTSA Complaints API · synced Nov 13, 2026NHTSA vehicle page
03 —Common problems

What owners report most

Verbatim excerpts from NHTSA complaints, by component

Electrical system

1 report
“Kept going in for repairs for the same concerns - nothing was found —- now its a recall on the 2022 model for the same issue that my 2021 model has —- Malfunction in the front/ rear differential lock system malfunction.”
Owner complaint to NHTSAFiled Dec 1, 2024Electrical system, Unknown or other, EngineODI 11628117

Engine

1 report

Lane departure

1 report
“The lane keeping assistance is WAY to sensitive. Several times at just the slightest move towards the shoulder the car will brake and swerve. Its very alarming and needs to be recalibrated.”
Owner complaint to NHTSAFiled Jun 3, 2022Lane departureODI 11467409
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 13, 2026
04 —Safety

NHTSA 5-Star Safety Ratings

New Car Assessment Program
NHTSA has not published 5-Star Safety Ratings for the 2021 Mercedes-Benz AMG G63 as of Nov 13, 2026.
Data from NHTSA NCAP Safety Ratings API · synced Nov 13, 2026
05 —Maintenance

Maintenance basics

General guidance, not the OEM schedule. Check your owner’s manual.
General guidance
ItemMilesTimeNote
Engine oil & filter5,000–10,000 mi6–12 monthsFollow the oil-life monitor if fitted
Tire rotation5,000–7,500 miEvery oil changeCheck pressure monthly
Engine air filter15,000–30,000 mi1–2 yearsSooner in dusty areas
Cabin air filter15,000–25,000 mi1–2 years
Brake fluid—2–3 yearsAbsorbs moisture over time
Coolant60,000–100,000 mi5–10 yearsLong-life coolants last longer
Spark plugs60,000–100,000 mi—Iridium/platinum plugs at the long end
12V battery—3–5 yearsHeat shortens battery life
  • Engine oil & filter5,000–10,000 mi
    6–12 months
  • Tire rotation5,000–7,500 mi
    Every oil change
  • Engine air filter15,000–30,000 mi
    1–2 years
  • Cabin air filter15,000–25,000 mi
    1–2 years
  • Brake fluid—
    2–3 years
  • Coolant60,000–100,000 mi
    5–10 years
  • Spark plugs60,000–100,000 mi
    —
  • 12V battery—
    3–5 years
Typical intervals for modern cars. Severe service (towing, short trips, extreme heat or cold) shortens them.
07 —FAQ

2021 AMG G63 questions

How many recalls does the 2021 Mercedes-Benz AMG G63 have?

8 safety recalls as of Nov 13, 2026, according to NHTSA. Recall repairs are free at a dealer. Check your VIN to see whether your car is included and whether the repair was done.

What are the most common 2021 Mercedes-Benz AMG G63 problems?

Owners filed 2 complaints with NHTSA. The most-cited components are electrical system (1), engine (1), lane departure (1). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.

Data from NHTSA & EPA · synced Nov 13, 2026