See also:

Driving with summer tires
At temperatures below 45 °F (+7 °C), the elasticity of summer tires and therefore also traction and braking capability are reduced considerably — equip your vehicle with M+S tires. Using summe ...

Unlocking the driver's door (mechanical key)
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 trigg ...

Safety & Reliability
As of this writing, the Insurance Institute for Highway Safety had not yet crash-tested the GL-Class. The nine standard airbags include three-row side curtain airbags, a driver's knee airbag and s ...