2011 Mercedes S-Class Owner's Manual - Page 315

Refueling Problems with the transmission Problem Possible causes/consequences and M Solutions 313 Transfer case This section is only valid for vehicles with 4wheel drive (4MATIC). Power is always transmitted to both axles. Refueling Important safety notes G Warning Gasoline is highly flammable and poisonous. It burns violently and can cause serious personal injury. Never allow sparks, flames or smoking materials near gasoline. Turn off the engine before refueling. Whenever you are around gasoline, avoid inhaling fumes and any skin or clothing contact. Direct skin contact with fuels and the inhalation of fuel vapors are damaging to your health. ! Performance tests may only be carried out on a 2-axle dynamometer. The brake system or transfer case could otherwise be damaged. Contact an authorized Mercedes-Benz Center for a performance test. Mercedes-Benz recommends that you use an authorized Mercedes-Benz Center for this purpose. ! To prevent ESP® from intervening, the ignition must be switched off (SmartKey or the Start/Stop button in position 0 or 1) if: Rthe electric parking brake is being tested on a brake dynamometer. vehicle is being towed with only one axle raised (not permitted for vehicles with 4MATIC). The brake system could otherwise be damaged. Rthe G Warning Overfilling of the fuel tank may create pressure in the system which could cause a gas discharge. This could cause the gasoline to spray back out when removing the fuel pump nozzle, which could cause personal injury. Z Driving and parking The acceleration ability The transmission is in emergency mode. is deteriorating. It is only possible to shift into 2nd gear and reverse gear. The transmission no X Stop the vehicle. longer changes gear. X Shift the transmission to position P. X Switch off the engine. X Wait at least 10 seconds before restarting the engine. X Shift the transmission to position D or R. If D is selected, the transmission shifts into 2nd gear; if R is selected, the transmission shifts into reverse gear. X Have the transmission checked at a qualified specialist workshop immediately.