2010 Mercedes ML-Class Owner's Manual - Page 66

64 Driving safety systems G Warning! position 0 or 1) when the parking brake is being tested on a brake test dynamometer. Such testing should be no longer than 10 seconds. Active braking action through the ESP® may otherwise seriously damage the brake system which is not covered by the Mercedes-Benz Limited Warranty. Safety and security Never switch off the when you see the ESP® warning lamp d flashing in the instrument cluster. In this case proceed as follows: RWhen RWhile ESP® 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 ESP® cannot prevent accidents resulting from excessive speed. ! The ESP® will only function properly if you use wheels of the recommended tire size as specified in the "Technical data" section of this Operator's Manual. i The cruise control switches off automatically when the ESP® engages. Electronic Traction System (ETS/4-ETS) The ETS (Electronic Traction System) and 4-ETS (four-wheel Electronic Traction System, vehicles with 4MATIC only) are components of the ESP®. The ETS/4-ETS improves the vehicle's ability to utilize available traction, especially under slippery road conditions by applying the brakes to a spinning wheel. Vehicles with 4MATIC also transfer more power to the wheel(s) with traction. When you switch off the ESP®, the ETS/4-ETS is still enabled. X If conditions require, switch on the off-road driving program (Y page 155). Off-road 4-ETS (vehicles with 4MATIC) With the off-road driving program switched on (Y page 155), the 4-ETS designed for off-road use is activated automatically. ! Vehicles with 4MATIC: 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 or the transfer case which is not covered by the Mercedes-Benz Limited Warranty. ! Vehicles without 4MATIC: Because the ESP® operates automatically, the engine and ignition must be shut off (SmartKey in starter switch position 0 or 1 or KEYLESS-GO start/stop button in position 0 or 1) when the parking brake is being tested on a brake test dynamometer or the vehicle is being towed with one axle raised. Active braking action through the ESP® may otherwise seriously damage the brake system which is not covered by the Mercedes-Benz Limited Warranty. ! Vehicles with 4MATIC: Because the ESP® operates automatically, the engine and ignition must be shut off (SmartKey in starter switch position 0 or 1 or KEYLESS-GO start/stop button in G Observe Safety notes, see page 62. Switching off the ESP® G Warning! The ESP® should not be switched off during normal driving other than in the