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241Driving systems
Technical
data
Instruments
and controls
Operation Driving
Instrument
cluster display
Practical hints Car care Index
Four-wheel electronic traction system (4-ETS)
With the electronic key in starter switch position 2, the
warning lamp v located in the speedometer dial
comes on and should go out when the engine is
running.
The 4-ETS improves vehicle’s ability to utilize available
traction, especially under slippery road conditions. The
brakes are applied to the spinning wheel and power is
transferred to the wheel(s) with traction. The 4-ETS
function is available between vehicle speed
0 mph (km/h) and 37 mph (60 km/h).
The 4-ETS warning lamp v starts to flash at any
vehicle speed, as soon as the tires loose traction and the
wheels begin to spin.
Important!
If the 4-ETS warning lamp v flashes:
• during take-off, apply as little throttle as possible,
• while driving, ease up on the accelerator.
Adapt your speed and driving to the prevailing road
conditions.
4-ETS Control
If the É malfunction indicator lamp and the ESP
warning lamp stay illuminated and warning messages
appears in the multifunction display with the engine
running, a malfunction has been detected.
Have the 4-ETS checked at your authorized
Mercedes-Benz Light Truck Center as soon as possible.
With the ABS malfunctioning, the 4-ETS is also
switched off.
Caution!
If the vehicle is towed with the front axle raised (see
towing the vehicle on page 324), or when testing the
parking brake on a brake test dynamometer, the engine
must be shut off (electronic key in starter switch
position 0 or 1). Otherwise, the electronic traction
system will immediately be engaged and will apply the
rear wheel brakes.
J_G463.book Seite 241 Mittwoch, 19. September 2001 8:06 08