2010 Mercedes GL-Class Owner's Manual - Page 302

300 Vehicle status messages in the multifunction display Display messages Possible causes/consequences and M Solutions $ (USA only) J (Canada only) EBV, ABS, The brake system is still functioning normally but due to a ESP malfunction, the ABS, the BAS, the EBP, the ESP®, and the Inoperativ PRE-SAFE® system are unavailable. e See X Continue driving with added caution. Wheels may lock Operator's during hard braking, reducing steering capability. Manual X Adjust driving to be consistent with reduced braking responsiveness. X Have the system checked at an authorized Mercedes-Benz Center as soon as possible. Release Parking Brake You are driving with the parking brake engaged. In addition an acoustic warning sounds. X Release the parking brake. Practical hints $ (USA only) ! (Canada only) $ (USA only) J (Canada only) Check Brake Fluid Level 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 Engage the parking brake 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. 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 reservoir can result in spilling brake fluid on hot engine parts and the brake fluid catching fire. You can be seriously burned. G Warning! ! 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.