Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Phone Components
The charging no longer takes place in the telephone transceiver -R36-, it has been integrated into the cradle. Cradles from earlier vehicles no longer work.
The telephone system is only possible with a radio or radio/navigation system.
The cellular telephone preparation "UHV Premium Light" is also known as the "universal cellular telephone preparation Premium Light " with Bluetooth technology and an optional telephone baseplate inside the center armrest.
The "UHV Premium Light" is a fixed installation telephone without a wire connection; telephone data is stored via Bluetooth to the cellular telephone registered to the vehicle.
The "UHV Premium Light" requires the phone to have a Bluetooth interface and it must support the "Remote SIM Access Profile" (rSAP).
With rSAP, telephone entries, for example, can be accessed on the cell phone SIM card.
For additional information, refer to the Owner's Manual.
For servicing or fault finding, use the Vehicle Diagnostic Tester in "Guided Fault Finding" and SYSTEM WIRING DIAGRAM.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.