Lumbar support
The curvature of the seat backrest can be adjusted in such a way that it supports the lumbar region of the spine. The lower back and the spine are supported for upright posture.

- Press the front/rear section of the switch. The curvature is increased/decreased.
- Press the upper/lower section of the switch. The curvature is shifted up/down.
See also:
Vehicle equipment
All standard, country-specific and optional
equipment that is offered in the model series is
described in this chapter. Therefore, equipment is also described that is not
available in a vehicle, ...
Mobility
This section helps you maintain your car's mobility by supplying important information
on vital topics including fuels and lubricants, wheels and tires, service, maintenance
and Roadside Assis ...
Tire identification marks
Tire size
255/50 R 19 103 Y
255: nominal width in mm
50: aspect ratio in %
R: radial tire code
19: rim diameter in inches
103: load rating, not for ZR tires
Y: speed rating, before the R on ZR ...
