This chapter contains information on the following subjects:
→ Running-in
→ Accessories and parts→ Service fluids and consumables
→ Repairs and technical modifications→ Repairs and faults in the airbag system
→ Retrofitting two-way radios→ Information stored in the control units
→ Using a mobile telephone in the vehicle without a connection to the external aerial→ Vehicle lifting points
→ Rodent proofingAdditional information and warnings:

WARNING
Running-inRemoving and installing high-voltage heater (PTC) -Z115- / high-voltage
heater (PTC) -J848
Special tools and workshop equipment
required
Commercially available Torx socket bit “TS30H” with hole in
front face
Hose clamps, up to 25 mm -3094-
Engine bung set -VAS 6122- ...
Important repair notes on air conditioning
Air conditioning systems designed for refrigerant R12 must
not be charged with refrigerant R134a until specific conversion
measures have been performed
→ Chapter.
The refrigerant oils specifically developed for R134a
...
Assembly overview - poly V-belt drive, vehicles with air conditioner
compressor
1 -
Poly V-belt
Check for wear
Before removing, mark direction of rotation with chalk or
felt-tipped pen.
Do not kink
The length of the poly V-belt must be determined according to the
→ E ...