2010 Mercedes R-Class Owner's Manual - Page 158

251_AKB; 4; 52, en-US d2ureepe, 2009-03-23T09:22:52+01:00 - Seite 156 Version: 2.11.8.1 156 X Driving systems Close all doors and the tailgate. X Start the engine. When indicator lamp ; is on: X improves traction in conjunction with the ESP® (Y page 65) and the Electronic Traction System (4-ETS) (Y page 65). If a drive wheel is spinning due to insufficient traction: RWhile RWhile Controls in detail Press switch :. Indicator lamp ; flashes. The vehicle adjusts to the highway level. The following message appears in the multifunction display while the level is being set: G Warning! driving off, apply as little throttle as possible. driving, ease up on the accelerator pedal. RAdapt your speed and driving style to the prevailing road conditions. Failure to observe these guidelines could cause the vehicle to skid. The 4MATIC cannot prevent accidents resulting from excessive speed. i The message can be cleared by pressing the V, U, & or * button on the multifunction steering wheel. When the highway level is reached, indicator lamp ; goes out and the following message appears in the multifunction display for approximately 5 seconds: ! Do not tow with one axle raised. Doing so could damage the transfer case, which is not covered by the Mercedes-Benz Limited Warranty. All wheels must be on or off the ground. Observe instructions for towing the vehicle with all wheels on the ground. ! Only conduct operational or performance tests on a two-axle dynamometer. If such tests are necessary, contact an authorized Mercedes-Benz Center. You could otherwise seriously damage the brake system and/or the transfer case which is not covered by the Mercedes-Benz Limited Warranty. i In winter operation, the maximum effectiveness of the 4MATIC is only achieved with winter tires (Y page 251) or snow chains as required. Parktronic system The vehicle level raised from highspeed level to highway level automatically when the vehicle speed falls below 40 mph (64 km/h). In the raised level, the vehicle level is lowered to the highway level automatically when the vehicle speed is exceeding 25 mph (40 km/h). All-wheel drive (4MATIC) In vehicles with all-wheel drive (4MATIC), both axles are powered at all times when the vehicle is being operated. The 4MATIC The Parktronic system is an electronic parking aid with ultrasonic sensors designed to assist the driver during parking maneuvers. The Parktronic system indicates the relative