2009 Mercedes SLR McLaren Owner's Manual - Page 336

Practical hints What to do if ... Left display Right display Possible cause/ consequence Possible solution Stop the vehicle in a safe location or as soon as it is safe to do so. Apply the parking brake ( page 55). Do not drive any further. Prevent the vehicle from rolling away by blocking the wheels with wheel chocks or other sizeable objects. Contact an authorized Mercedes-Benz Center. ; 3 (USA only) Reduced Brake Effect (Canada only) Service Required Increased Stopping Distance Service Required The electro-hydraulic brake system is in emergency operation mode. Considerably greater brake pedal force is required and the pedal travel is longer. The stopping distance is increased. If necessary, apply full pressure to the or brake pedal. Call for Roadside Assistance. A tow bar must be used if circumstances do not permit the use of the recommended towing methods and the vehicle requires towing with all four wheels on the ground. Towing the vehicle with all four wheels on the ground is only permissible for distances up to 30 miles (50 km) and at a speed not to exceed 30 mph (50 km/h). For more information, see "Towing the vehicle" ( page 373). Warning! G Driving while these messages are displayed can result in an accident. Have your brake system checked immediately. If the electro-hydraulic brake system enters its emergency operation mode, the driver must apply significantly greater brake pedal pressure and depress the pedal much further than normal to obtain braking effect. If necessary, apply full pressure to the brake pedal. Brakes are only applied to the front wheels. Stopping distance is increased! If there is a malfunction in the electro-hydraulic brake system, we recommend that the vehicle be transported with all wheels off the ground using flatbed or appropriate wheel lift/dolly equipment. 336