Mercedes-Benz 2004 G 500 User Manual
Page 344
344
Technical terms
Differential locks
On slippery surfaces, differential locks 
prevent one wheel of an axle from spin-
ning while the other wheel stands still, 
resulting in driving force no longer be-
ing transferred.
Cruise control
Driving convenience system for auto-
matically 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 pro-
duced.
Engine oil viscosity
Measurement for the inner friction (vis-
cosity) of the oil at different tempera-
tures. The higher the temperature an 
oil can tolerate without becoming thin, 
or the lower the temperature it can tol-
erate without becoming viscous, the 
better the viscosity.
ESP
(Electronic Stability Program)
Improves vehicle handling and direc-
tional stability.
ETD
(Emergency Tensioning Device)
Device which deploys in certain frontal 
and rear collisions exceeding the sys-
tem'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 indi-
cated 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, passen-
gers and cargo. The GWV must never 
exceed the GVWR indicated on the cer-
tification label located on the driver’s 
door pillar. 
GVWR
(Gross Vehicle Weight Rating)
This is the maximum permissible vehi-
cle weight. It is indicated on certifica-
tion 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 le-
ver.