Mercedes-Benz C-Class 2007 Owners Manual - Manual (Page 89)

88
Safety and Security
Driving safety systems
Four wheel electronic traction system
(4MATIC) with the ESP
®
Models with all-wheel-drive only.
The 4MATIC improves vehicle’s ability to
use available traction, e.g. during winter
operation in mountains under snowy
conditions, by applying power to all four
wheels.
Warning!
G
If you see the ESP ® warning lamp v
flashing in the instrument cluster, proceed
as follows:
ț While driving off, apply as little throttle
as possible
ț While driving, ease up on the accelera-
tor
ț Adapt your speed and driving style to
the prevailing road conditions
Failure to observe these guidelines could
cause the vehicle to skid.
The ESP ® cannot prevent accidents result-
ing from excessive speed.
!
Do not tow with one axle raised.
Otherwise the transfer case can be damaged,
which is not covered by the Mercedes-Benz
Limited Warranty.
! Performance testing must only be conduct-
ed on a two-axle dynamometer.
Otherwise the transfer case can be damaged,
which is not covered by the Mercedes-Benz
Limited Warranty.
! Because the ESP ® operates automatically,
the engine must be shut off (SmartKey in starter
switch position 0 or 1) when the parking brake is
being tested on a brake test dynamometer.
Active braking action through the ESP ® may
otherwise seriously damage the front or rear axle
brake system.
Operational tests with the engine running can
only be conducted on a two-axle dynamometer.
i
At highly demanding operating conditions,
the electronic traction system may temporarily
switch off to prevent overheating of the drive
wheel brakes. The message
unavailable
See Operator’s Manual will then appear in
the multifunction display while the ESP
® warning
lamp v is flashing. The ESP ® is still function-
ing normally.