2004 Mercedes G-Class Owner's Manual - Page 344

Technical terms Differential locks On slippery surfaces, differential locks prevent one wheel of an axle from spinning while the other wheel stands still, resulting in driving force no longer being transferred. Cruise control Driving convenience system for automatically maintaining the vehicle speed set by the driver. Engine number The number set by the manufacturer and placed on the cylinder block to uniquely identify each engine produced. Engine oil viscosity Measurement for the inner friction (viscosity) of the oil at different temperatures. The higher the temperature an oil can tolerate without becoming thin, or the lower the temperature it can tolerate without becoming viscous, the better the viscosity. ESP (Electronic Stability Program) Improves vehicle handling and directional stability. ETD (Emergency Tensioning Device) Device which deploys in certain frontal and rear collisions exceeding the system's threshold to tighten the seat belts. ->SRS FSS (Flexible Service System) Service indicator in the speedometer display that informs the driver when the next vehicle maintenance service is due. GAWR (Gross Axle Weight Rating) The GAWR is the maximum permissible axle weight. The gross vehicle weight on each axle must never exceed the GAWR for the front and rear axle indicated on the certification label located on the driver's door pillar. GVW (Gross Vehicle Weight) The GVW comprises the weight of the vehicle including fuel, tools, spare wheel, installed accessories, passengers and cargo. The GWV must never exceed the GVWR indicated on the certification label located on the driver's door pillar. GVWR (Gross Vehicle Weight Rating) This is the maximum permissible vehicle weight. It is indicated on certification label located on the driver's door pillar. Gear range Number of gears which are available to the automatic transmission for shifting. The automatic gear shifting process can be adapted to specific operating conditions using the gear selector lever. 344