Under the Hood

Depending on the model, there are two engine options that can be teamed with a five- or seven-speed automatic transmission.

G550's V-8 produces 382 horsepower and 391 pounds-feet of torque and teams with a seven-speed automatic
G55 AMG's supercharged V-8 makes 500 hp and is teamed with a five-speed automatic

    See also:

    General information
    Portable electronic devices in the vehicle may seriously impair radio reception. ...

    SmartKey
    0 To remove the SmartKey (shift the transmission to position P) 1 Power supply for some consumers, such as the windshield wipers 2 Ignition (power supply for all consumers) and drive position 3 T ...

    Reporting safety defects
    If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) ...