6
Residual Engine Heat
Utilization
The system will automatically shut off
The system will automatically
switch from recirculated air to fresh
•
•
after approx. 30 minutes,
if the engine coolant temperature
drops below 122°F (50 °C),
if the battery voltage drops.
air if button
is pressed
With the engine switched off, it is
possible to continue heating the interior
for a short while. The rear passenger
compartment air outlet must be closed.
• after approx. 5 minutes at
outside temperatures below
approx. 40°F(5°C),
•
Air volume and distribution are
controlled automatically.
7
Air Recirculation
• after approx. 20 minutes, at
outside temperatures above
approx. 40°F(5°C).
Outside air is not supplied to the car's
interior.
To select:
If button
is pressed:
Turn key in steering lock to position
This mode can be selected to prevent
annoying odors or dust from entering
the car's interior.
1
or 0 or remove key.
• after approx. 5 minutes.
Notes:
Press
button (indicator lamp lights
up). This function selection will not
activate if the engine coolant
To select: Press
button
(indicator lamp lights up).
To cancel:
Ifthe windows should fog up from the
inside, switch from recirculated air back
to fresh air.
temperature is below 40°C (105°F) or
if the battery charge is insufficient.
Press
goes out).
button (indicator lamp
To cancel:
At high outside temperatures, the
system automatically engages the
recirculated air mode thereby
increasing the cooling capacity
performance, switching to partially fresh
air within 20 minutes.
•
•
Press
button
(indicator lamp goes out).
Turn key in steering lock to
position 2.
23
| Categories | Mercedes-Benz Manuals, Mercedes-Benz S-Class Manuals |
|---|---|
| Document Type | Free PDF Owner's Manual Download. |
| Tags | Mercedes-Benz 300SD, Mercedes-Benz W126 |
| Model Year | 1993 |
| Download File |
|
| Document File Type | |
| Publisher | mbusa.com |
| Wikipedia's Page | Mercedes-Benz W140 |
| Copyright | Attribution Non-commercial |
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