2010 Mercedes E-Class Owner's Manual - Page 291

Towing the vehicle X 289 Insert wheel wrench into towing eye and tighten towing eye bolt ; by turning it clockwise. If your vehicle is not equipped with a wheel wrench, use a suitable object to turn the towing eye bolt. system which is not covered by the Mercedes-Benz Limited Warranty. or X Towing with all wheels on the ground G Warning! If circumstances require towing the vehicle with all wheels on the ground, always tow with a tow bar if: Rthe Removing towing eye bolt X Rthere is a malfunction in the power supply or in the vehicle's electrical system X Store the towing eye bolt ; and wheel wrench back into the vehicle tool kit. Towing with one 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). X X Make sure the ignition is switched on. With the vehicle at a standstill, depress the brake pedal and keep it pressed. X Release the brake pedal. X If engaged, release the parking brake. X Switch off the automatic central locking (Y page 125). X Switch off the ignition and leave the SmartKey in the starter switch. X Switch on the hazard warning flasher (Y page 92). This is necessary to adequately control the towed vehicle. Prior to towing the vehicle with all wheels on the ground, make sure the SmartKey is in starter switch position 2. If the SmartKey is left in the starter switch position 0 for an extended period of time, it can no longer be turned in the switch. In this case, the steering is locked. To unlock, remove SmartKey from starter switch and reinsert. G Warning! 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. X X ! Because the ESC operates automatically, the engine and ignition must be shut off (SmartKey in starter switch position 0 or 1 or KEYLESS-GO start/stop button in position 0 or 1) when the vehicle is being towed with one axle raised. Active braking action through the ESC may otherwise seriously damage the brake Make sure the ignition is switched on. With the vehicle at a standstill, depress the brake pedal and keep it pressed. X Shift the automatic transmission into neutral position N. X Release the brake pedal. X If engaged, release the parking brake. X Switch on the hazard warning flasher (Y page 92). Z Practical hints Loosen towing eye bolt ; by turning it counterclockwise. X Unscrew towing eye bolt ;. X Reinstalling cover: Fit cover : (Y page 288) and snap it into place. engine will not run is a malfunction in the brake system Rthere