2009 Mercedes CLS-Class Owner's Manual - Page 69

Safety and security Driving safety systems The ESP® warning lamp v in the instrument cluster flashes when the ESP® is engaged. Active braking action through the ESP® may otherwise seriously damage the brake system which is not covered by the Mercedes-Benz Limited Warranty. When you switch off the ESP®, the ETS is still enabled. G Warning! Never switch off the ESP® when you see the ESP® warning lamp v flashing in the instrument cluster. In this case proceed as follows: RWhen driving off, apply as little throttle as possible. RWhile 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. ! Because the 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 when the vehicle is being towed with the front axle raised. ESP® Switching off the ESP® ! 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 Distronic system and cruise control switch off automatically when the ESP® engages. For more information, see the "Practical hints" section (Y page 256) and (Y page 293). Electronic Traction System (ETS) G Observe Safety notes, see page 64. The ETS (Electronic Traction System) is a component of the ESP®. The ETS improves the vehicle's ability to utilize available traction, especially under slippery road conditions by applying the brakes to a spinning wheel. Except CLS 63 AMG: 1 ESP® switch Switching off the ESP® (except CLS 63 AMG) G Warning! The ESP® should not be switched off during normal driving other than in the circumstances described below. Disabling the system will reduce vehicle stability in driving maneuvers. Do not switch off the ESP® when a spare wheel is mounted. Z 67