71Cockpit
Brake system*
This warning lamp lights up if the brake fluid level is too low
or if there is a fault in the system.
This warning lamp lights up if
●the brake fluid level is too low ⇒ page 208.
●there is a fault in the brake system.
This warning lamp can light up together with the ABS system warning lamp.
WARNING
●If the brake warning lamp does not go out, or if it lights up when driv-
ing, the brake fluid level ⇒ page 208, Brake fluid in the reservoir is too
low. Risk of accident. Stop the vehicle and do not drive on. Obtain techni-
cal assistance.
●If the brake warning lamp lights up together with the ABS warning
lamp , the control function of the ABS could be out of action. This could
cause the rear wheels to lock quickly when you brake. This could cause
the rear to break away. Risk of skidding. Stop the vehicle and seek tech-
nical assistance.
Cruise speed (Cruise control)*
The warning lamp comes on when the cruise control system
is switched on.
The warning lamp lights up when the cruise control system is switched
on. For further information on the cruise control system, see ⇒ page 159.
Tyre pressure*
Fig. 40 Centre console:
tyre monitor system but-
ton
The tyre control lamp1) compares wheel revolutions and with it, the wheel
diameter of each wheel using the ESC. If the diameter of a wheel changes,
the tyre control lamp lights up. The wheel diameter changes when:
●Tyre pressure is insufficient.
●The tyre structure is damaged.
●The vehicle is unbalanced because of a load.
●The wheels of one axle are under more pressure (for example, driving
with a trailer or on extreme slopes).
●The vehicle is fitted with snow chains.
●The temporary spare wheel is fitted.
●The wheel on one axle is changed.
1) Depending on the model version
Safety First Operating Instructions Practical Tips Technical Specifications
