2011 Mercedes SL-Class Owner's Manual - Page 241

Vehicle status messages in the multifunction display Display messages Possible causes/consequences and M Solutions There is insufficient brake fluid in the reservoir. Risk of accident! X Stop the vehicle in a safe location or as soon as it is safe to do so. X Do not drive any further. X Contact an authorized Mercedes-Benz Center or call Roadside Assistance. Do not add brake fluid! This will not solve the problem. 239 $ (USA only) J (Canada only) Check Brake Fluid Level Driving with the message Check Brake Fluid Level displayed can result in an accident. Have your brake system checked immediately. Do not add brake fluid before checking the brake system. Overfilling the brake fluid ! 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 causes/consequences and M Solutions There are malfunctions, but the electro-hydraulic brake system is operating normally. X Contact an authorized Mercedes-Benz Center as soon as possible. $ (USA only) J (Canada only) Brake Service Required $ (USA only) J (Canada only) The brake system is overheated due to an excessive load on Brakes Overheated the brakes. Drive Relieve the load on the brake system: on, but X Drive more smoothly and think ahead to avoid unnecessary with even braking. greater X When driving down steep grades, shift into a lower gear to care. use the engine's braking power (Y page 108). X Cautiously continue driving so that the air stream will cool down the brakes. Release Parking Brake You are driving with the parking brake engaged. X Release the parking brake. $ (USA only) ! (Canada only) Z Practical hints G Warning! reservoir can result in spilling brake fluid on hot engine parts and the brake fluid catching fire. You can be seriously burned.