Mechanical key

General notes

If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key.

If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system will be triggered.

There are several ways to turn off the alarm:

► To turn the alarm off with the
SmartKey: press the on the SmartKey. button on the SmartKey.
or
► Insert the SmartKey into the ignition lock.
or
► To deactivate the alarm with KEYLESSGO:

press the Start/Stop button in the ignition lock. The SmartKey must be in the vehicle.
or
► Lock or unlock the vehicle using KEYLESSGO.

The SmartKey must be outside the vehicle.

Removing the mechanical key

► Push release catch 1 in the direction

► Push release catch 1 in the direction of the arrow and at the same time, remove mechanical key 2 from the SmartKey.

    See also:

    Performance
    Unlike most Mercedes, there is no V-6 option for the CLS. The model range starts with the CLS550 and ends with the CLS63 AMG, with nothing in between. That means you have the choice of either a 40 ...

    Vehicles with a "Minispare" emergency spare wheel
    – Lift the trunk floor up. – Remove the "Minispare" emergency spare wheel. Example: vehicles with AIRMATIC and trailer tow hitch 1 Folding wheel chock 2 Lug wrench 3 Alignment b ...

    Tire pressure specifications
    WARNING Follow recommended tire inflation pressures. Do not underinflate tires. Underinflated tires wear excessively and/or unevenly, adversely affect handling and fuel economy, and are more ...