Notes on towing a trailer

Important safety notes

WARNING When towing a trailer, incorrect equipment 
When towing a trailer, incorrect equipment and driving style could cause you to lose control of the vehicle.
Towing incorrectly or not observing this Operator's Manual could lead to damage to the vehicle and/or serious injuries. Observe the following guidelines to ensure safe trailer towing.
Contact a Mercedes-Benz Center if you need further explanation of the information contained in this Operator's Manual.

General information

Only install an approved trailer coupling on your vehicle.
Further information on availability and on installation is available from any authorized Mercedes-Benz Center.
The bumpers of your vehicle are not suitable for installing detachable trailer couplings.
Do not install hired trailer couplings or other detachable trailer couplings on the bumpers of your vehicle.
To reduce the risk of damage to the ball coupling, remove it from the ball coupling recess when not in use.

    See also:

    Turn signal lamps/side marker lamps
    ► Switch off the lights. ► Open the hood. ► Turn bulb holder 1 (WY 5 W)/2 (3457A) counter-clockwise and pull it out. ► Remove the bulb from bulb holder 1/2. ► Inse ...

    Showing the distance display
    This function is only available with DISTRONIC PLUS. •► Press the button on the steering wheel to select the DriveAssist menu. •► Press the button to select Distance Display. ...

    Checking the coolant level
    Only check the coolant level when the vehicle is on a level surface and the engine has cooled down. Turn the SmartKey to position 2 in the ignition lock. On vehicles with KEYLESS-GO, press th ...