2003 Mercedes SL-Class Owner's Manual - Page 108

Controls in detail Instrument cluster Instrument cluster A full view illustration of the instrument cluster can be found in the "At a glance" section of this manual ( page 20). The instrument cluster is activated when you: open a door turn on the ignition press the reset knob ( page 20) switch on the exterior lamps Only opening a door will activate the instrument cluster for approximately 30 seconds. You can change the instrument cluster settings in the Instrument cluster submenu of the control system ( page 122). Instrument cluster illumination Use the reset knob to adjust the illumination brightness for the instrument cluster and the switches on the center console. To dim illumination Turn the reset knob in the instrument cluster ( page 20) counterclockwise. The instrument cluster illumination will dim. Coolant temperature gauge Under normal driving conditions, the coolant temperature may rise to 248°F (120°C). The coolant temperature may rise to 266°F (130°C) at high outside temperatures or when driving in hilly terrain. The engine should not be operated with the coolant temperature above 266°F (130°C). Doing so may cause serious engine damage which is not covered by the Mercedes-Benz Limited Warranty. i The instrument cluster illumination is dimmed or brightened to suit ambient light conditions. To brighten illumination Turn the reset knob in the instrument cluster ( page 20) clockwise. The instrument cluster illumination will brighten. 108