2010 Mercedes GL-Class Owner's Manual - Page 265

Driving instructions We recommend that you start out with easy off-road travel. 263 Special driving features for off-road driving The following driving features are available for specific kind of operation: ROff-road ROff-road ROff-road RHill-start RLOW ABS (Y page 63) ESP® (Y page 65) 4-ETS (Y page 64) assist system (Y page 117) locks (Y page 121) RANGE mode (Y page 120) RDifferential RDownhill ROff-road RAir Speed Regulation (DSR) (Y page 155) driving program (Vehicles without enhanced off-road package) (Y page 158) suspension program (Y page 159) Off-road driving rules REngage the off-road driving program (Y page 158) or LOW RANGE mode (Y page 120) before driving under off-road conditions. necessary, activate differential locks (Y page 121). sure you select a vehicle level (Y page 159) appropriate to the topographical conditions. Always make sure the vehicle has enough ground clearance. items being carried as securely as possible (Y page 194). navigate gradients with the engine on and with the transmission engaged in a gear. Switch on the DSR (Y page 155) to help maintain a preset speed. RIf RMake ! Observe the following during off-road driving: RKeep doors, tailgate, windows, and tilt/ sliding sunroof closed whenever driving off-road. RAdjust vehicle speed to condition of terrain. The more uneven, rutty and steeper the terrain, the lower the speed should be. Drive through water slowly at an even speed, avoiding a bow wave. RBe especially careful when driving in unknown territory. It may be necessary to get out of the vehicle and scout the path you intend to take. RWatch out for obstacles, such as rocks, holes, tree stumps and ruts. RBefore driving through water, determine its depth. RDo not stop vehicle while immersed in water, and do not shut off the engine. RIn sandy soil, drive at a steady speed as allowed by conditions. This helps overcome the vehicle rolling resistance and reduces the likelihood of the vehicle sinking into the ground. RDo not initiate jumps with the vehicle. It interrupts the forward momentum of the vehicle. RAlways drive onto slopes with the engine running and the vehicle in gear. RDo not shift automatic transmission into neutral position N. G Warning! Do not reduce the tire inflation pressure before driving through sand. However, if you do so, remember to correct the tire inflation pressure before continuing your trip. Driving with reduced tire inflation pressure increases the risk of losing control of the vehicle and rolling over. RFasten RAlways Z Operation