Observe the following conditions prior to the A/C performance test
1. Provision of a diagnosis system. Safeguard electrical system integrity by
checking the fault memory (no
faults in the fault memor
WARNING: Only persons in possession of a professional certificate
of competence for the maintenance and repair of heating and air conditioning
systems are authorized to carry out repair work on the
Work on the refrigerant circuit may only be carried out by experts!
Avoid all contact with liquid or gaseous R 134a. Wear safety goggles and
gloves when working on the
refrigerant circuit.
Follow S
Button block for driving functions
The steering wheel contains a button block for the Dynamic Cruise Control (DCC)
or Active Cruise Control
(ACC) Stop&Go functions. The button block is located on the left-hand side of
the steering wheel.
Fig. 138: Identifying Steering Wheel Button Block For D