2004 Mercedes SL-Class Owner's Manual - Page 302

Practical hints What to do if ... Left display Right display below min. level! Visit workshop! Possible cause There is insufficient brake fluid in the reservoir. Possible solution Risk of accident! Stop the vehicle as soon as it is safe to do so and notify an authorized Mercedes-Benz Center. Do not add brake fluid! This will not solve the problem. Except Canada: Brake fluid ; 3 Canada only: ! 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. Warning G Low brake fluid in the reservoir may cause the braking system to fail! If necessary, apply full pressure to the brake pedal. Brakes are only applied to the front wheels. Stopping distance is increased! Low brake fluid in the reservoir may cause the braking system to fail! Do not add brake fluid before checking the brake system. Overfilling the brake fluid reservoir can result in spilling brake fluid on hot engine parts and the brake fluid catching fire. You can be seriously burned. 301