2007 Mercedes CL-Class Owner's Manual - Page 667

Practical hints Towing the vehicle Warning! G With the engine not running, there is no power assistance for the brake and steering systems. In this case, it is important to keep in mind that a considerably higher degree of effort is necessary to brake and steer the vehicle. Adapt your driving accordingly. ! Make sure that the electronic parking brake is released. If the electronic parking brake is malfunctioning, release it mechanically ( page 637). ! If the vehicle is towed with the front axle raised, the automatic transmission must be in position N and the engine must be shut off (SmartKey or SmartKey with KEYLESS-GO* in starter switch position 0 or 1). Active braking action through the ESP® may otherwise seriously damage the brake system. ! When towing the vehicle with all wheels on the ground, the automatic transmission must be shifted to position N and the SmartKey or SmartKey with KEYLESS-GO* must be in starter switch position 2. When towing the vehicle with all wheels on the ground or the front axle raised, the vehicle may be towed only for distances up to 30 miles (50 km) and at a speed not to exceed 30 mph (50 km/h). ! If the vehicle is towed with all wheels on the ground or with the front axle raised, the transmission must be in position N. If you turn off the engine using the SmartKey and remove the SmartKey from the starter switch or open a door the KEYLESS-GO* start/stop button and open a door the transmission will shift to park position P automatically. ! When towing the vehicle with all wheels on the ground or with the front axle raised, the starter battery must be connected and charged. Otherwise: you will not be able to switch on the ignition you will not be able to engage the automatic transmission in position N ( page 394) you cannot release the electronic parking brake For information on charging the starter battery see "Batteries" ( page 655) or see "Jump starting" ( page 660). 664