2009 Mercedes SL-Class Owner's Manual - Page 275

Practical hints Vehicle status messages in the multifunction display ! If you find that the brake fluid in the brake fluid reservoir has fallen to the minimum mark or below, have the brake system checked for brake pad thickness and leaks. Display messages Possible cause/consequence Brake Service Required There are malfunctions, but the electrohydraulic brake system is operating normally. Possible solution X ; (USA only) Contact an authorized Mercedes-Benz Center as soon as possible. 3 (Canada only) ; (USA only) 3 (Canada only) Brakes Overheated Drive on, but with even greater care. The brake system is overheated due to an Relieve the load on the brake system: excessive load on the brakes. X Drive more smoothly and think ahead to avoid unnecessary braking. X When driving down steep grades, shift into a lower gear to use the engine's braking power (Y page 120). Cautiously continue driving so that the air stream will cool down the brakes. Release the parking brake. X ; (USA only) Release Parking Brake You are driving with the parking brake engaged. X ! (Canada only) Z 273