2011 Mercedes S-Class Owner's Manual - Page 338

336 Driving systems Deactivating the HOLD function The HOLD function is deactivated automatically if: accelerate and the transmission is in position D or R. Rthe transmission is in position P. Ryou apply the brakes again with a certain amount of pressure until HOLD disappears from the instrument cluster. Ryou secure the vehicle using the electric parking brake. Ryou activate DISTRONIC PLUS. Ryou AIRMATIC Vehicle level Your vehicle regulates its height automatically. All-round self-leveling ensures the best possible suspension and constant ground clearance, even with a laden vehicle. When you drive fast, the vehicle is lowered automatically to improve driving safety and to reduce fuel consumption. The following vehicle levels are possible on vehicles without 4MATIC: Rnormal. Rraised: Driving and parking i After a time, the electric parking brake secures the vehicle and relieves the service brake. G Warning Never get out of the vehicle when the HOLD function is activated. The HOLD function must never be operated or deactivated by a passenger or from outside the vehicle. The HOLD function does not replace the electric parking brake and must not be used for parking. The braking effect of the HOLD function is canceled and the vehicle could roll away if: Rthe the vehicle is raised above the normal level by 1.00 in (25 mm). Rlowered: the vehicle is lowered beyond the normal level by 0.60 in (15 mm). The following vehicle levels are possible on vehicles with 4MATIC: Rnormal: HOLD function is deactivated by depressing the accelerator pedal or the brake pedal. Rthere is a malfunction in the system or an interruption in the power supply, e.g. battery failure. Rthe electrical system in the engine compartment, the battery or the fuses are tampered with. Rthe battery is disconnected. in comfort mode, the vehicle is raised above Sport mode by 0.40 in (10 mm). Rraised: in comfort mode, the vehicle is raised by about 0.60 in (15 mm) and in Sport mode by about 1.00 in (25 mm) over the normal level. Rlowered: the vehicle is lowered beyond the normal level by 0.40 in (10 mm). The "Normal" and "Raised" vehicle levels can be set manually. The "Lowered" vehicle level is set automatically: Rin vehicles without 4MATIC at speeds above 60 mph (100 km/h) Rin vehicles with 4MATIC at speeds above 50 mph (80 km/h) Setting the vehicle level Select the "Normal" setting for normal road surfaces and "Raised" for driving with snow chains or on particularly poor road surfaces. Your selection remains stored even if you remove the SmartKey from the ignition lock.