Drive readiness
Turning on drive readiness
1. Depress the brake pedal.
2. Press the Start/Stop button.
Turning off drive-ready state
Steptronic transmission:
1. Engage selector lever position P with
Automatic climate control
Temperature.
Maximum cooling.
AUTO program.
Air recirculation mode.
Air flow, manual.
Intensity AUTO program.
Air distribution, manual.
Defrost function.
Rear window defrost
In the event of a power supply interruption, e.g. flat battery or electrical
fault, the transmission lock must be
manually released, otherwise the wheel will be locked and the vehicle cannot be
moved.
IMPORTANT: Secure vehicle against rolling, e.g. with chocks.
Press the brake pedal when manually
Cooling System
The cooling system of the N54 engine consists of a radiator circuit and an
isolated oil cooling circuit. The fact
that there is an isolated oil-cooling circuit ensures that heat is not
introduced via the engine oil into the engine's
coolant system.
Fig. 71: Identifying Cooling S