2011 Mercedes C-Class Owner's Manual - Page 146

144 Automatic transmission Problems with the transmission Problem Possible causes/consequences and M Solutions The acceleration ability The transmission is in emergency mode. is deteriorating. It is only possible to shift into 2nd gear and reverse gear. The transmission no X Stop the vehicle. longer changes gear. X Shift the transmission to position P. X Switch off the engine. X Wait at least 10 seconds before restarting the engine. X Shift the transmission to position D or R. If D is selected, the transmission shifts into 2nd gear; if R is selected, the transmission shifts into reverse gear. X Have the transmission checked at a qualified specialist workshop immediately. Driving and parking Releasing the parking lock manually In the event of an electrical malfunction, it is possible to release the selector lever lock manually to move it out of position P, e.g. if you wish to tow the vehicle away. cloth) from the right-hand edge, pulling it up and out. X Press release button ; down and simultaneously move the selector lever out of position P. The selector lever can now be moved freely until it is returned to position P. Transfer case This section is only valid for vehicles with 4wheel drive (4MATIC). Power is always transmitted to both axles. ! Do not use any sharp-edged objects to remove the selector lever cover in the center console. This can damage the selector lever cover. X Depress the parking brake firmly. X Pry out selector lever gaiter : with a flat, blunt object (e.g. a screwdriver wrapped in ! Performance tests may only be carried out on a 2-axle dynamometer. The brake system or transfer case could otherwise be damaged. Contact an authorized Mercedes-Benz Center for a performance test. Mercedes-Benz recommends that you use an authorized Mercedes-Benz Center for this purpose. ! If the parking brake is being tested on a brake dynamometer, the ignition must be switched off (SmartKey or Start/Stop button in position 0 or 1), as ESP® will otherwise automatically intervene. The brake system could otherwise be damaged.