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2018 Mercedes-Benz

AMG G63

Auto 7-spd, 8 cyl, 5.5 L, Turbo

Mercedes-Benz AMG G63: best and worst years

Overview

Body
Standard Sport Utility Vehicle 4WDEPA, from EPA, last updated 6/11/2026
Drivetrain
4-Wheel DriveEPA, from EPA, last updated 6/11/2026
Transmission
Automatic 7-spdEPA, from EPA, last updated 6/11/2026
Powertrain
GasEPA, from EPA, last updated 6/11/2026
Fuel
PremiumEPA, from EPA, last updated 6/11/2026

Engine & performance

Cyl
8EPA, from EPA, last updated 6/11/2026
Aspiration
TurbochargedEPA, from EPA, last updated 6/11/2026
Start-stop system
YesEPA, from EPA, last updated 6/11/2026

Efficiency

MPG Hwy
15 mpgEPA, from EPA, last updated 6/11/2026
MPG City
12 mpgEPA, from EPA, last updated 6/11/2026
MPG Comb
13 mpgEPA, from EPA, last updated 6/11/2026
Fuel $/yr
$5,950EPA, from EPA, last updated 6/11/2026
CO₂
674 g/miEPA, from EPA, last updated 6/11/2026
Eco Score
1/10EPA, from EPA, last updated 6/11/2026
Smog score
3/10
Elec. Range
0 miEPA, from EPA, last updated 6/11/2026
SmartWay certified
No

Safety NHTSA, model year

Recalls
0
Owner complaints
0

Known issues manufacturer service bulletins, model year

61 service bulletins filed with NHTSA for this model year

  • May 26, 2026ELECTRICAL SYSTEMLI82.85-P-080507

    Complaint After successful commissioning of the HERMES control unit (N112/9) with XENTRY Diagnosis DVD 03/2026, the message "SOS - service not activated" appears on the instrument cluster. In addition, the following two conditions are also met: • HERMES (N112/9) control unit: event code B15CE00 is ACTIVE and STORED (A+S) • Vehicle Documentation System: For the HERMES control unit, the EID1, EID2, ICCID, IMEI, IMSI, TELNR fields in the "Identification/Serial number" column have the value "-" Caus

  • May 15, 2026SERVICE BRAKESLI42.10-P-078779

    Complaint Repeat workshop visit for vehicle vibration while braking from 60MPH. Vehicle production date prior to December 2025. Cause Although the cause of the vibration is most likely due to excessive lateral runout on the rotor or hub/wheel bearing, the system as a whole needs to be checked for other possible contributors. 1. Prior collision damage. 2. Excessive vehicle sitting times without rotating components. 3. Wheel bearing/hub lateral runout. 4. Wheel mating interface has been overtighte

  • May 15, 2026SUSPENSIONLI40.10-P-061032

    Complaint Noises at the front axle when cornering or maneuvering (video files attached) Note: Save video files locally and play them with Windows Media Player. Cause Driving with summer tires in combination with low outside temperatures. At low outside temperatures or in wet conditions, a noise may be produced at the outer wheel on the front axle while maneuvering with sharp steering angles. Note: AMG vehicles with 4MATIC of model series 217 (without code 494) and model series 222 have a modifie

  • May 12, 2026BACK OVER PREVENTION: WARNINGSLI54.65-P-080132

    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.

  • May 7, 2026STRUCTURE:BODYLI88.80-P-080031

    Complaint Water ingress in the load compartment between the C and D pillars. Cause In the area of the rounding at the D-pillar, a leakage may occur between the rear side wall and the roof paneling. Remedy Troubleshooting: Locate the area of the leak by performing a pressure test and using leak detector spray or soapy water. To do this, tape up the rear vents on the D-pillars and set the ventilation system to the maximum blower setting. If leaks are verified, proceed with sealing of the drip rail

  • Apr 24, 2026UNKNOWN OR OTHERLI00.01-P-078887

    Complaint The intent of this document is to provide workshops with helpful technical reference language. • Commonly used acronyms in LI's and TIPS cases. • Control unit names, numbers, and how to identify. • Network/wiring architecture groups to baumuster quick reference. • Platform to baumuster quick reference. Cause Information only Remedy Acronyms: • AV = Actual Values • CPR = Car Package Release (For MB.OS) • CU = Control Unit • CUL = Control Unit Log • DTC = Diagnostic Trouble Code • E-Stan

  • Apr 16, 2026EXTERIOR LIGHTINGLI82.10-P-078301

    Complaint Headlamp, front fog lamp leaky or fogged. Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp. If a pressure compensation diaphragm is fitted in the housing cover, then the lamp unit is a "closed system". Remedy Headlamp: Remedy 1 Clearing fogged/condensed LED headlamps: 1. Drive vehicle into workshop (temperature higher than +18 °C/+64.4 °F) and connect the exhaust extra

  • Apr 8, 2026ELECTRICAL SYSTEMLI88.70-P-080030

    Complaint The outside mirrors do not fold in when locking with the radio remote control, even though the function is activated in the vehicle settings. Folding and unfolding still functions via pushbutton switch on the door. Cause The initialization data for the outside mirrors is lost in the door control unit. Remedy Replacing the control unit provides no remedy. The initialization data in the control unit is restored by manually folding in the outside mirrors using the pushbutton switch in the

  • and 53 more

Source: NHTSA manufacturer communications (technical service bulletins).

Warranty manufacturer terms, by make

Basic
4 yr / 50k mi
Powertrain
4 yr / 50k mi
Roadside assistance
4 yr / 50k mi
EV battery
10 yr / 155k mi

Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.