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The heating system in a W113 Mercedes SL houses a single fan motor with twin impellers, sucking air through the heater matrix then feeding the plenum chamber inside the cabin.  From there, hot air can be ducted to the windscreen demister vents atop the dashboard and the footwells, with driver and passenger having independent temperature controls.  In a ‘quirk’ of design, it is only the left side (German driver’s side) control that manipulates the flow of hot water to the heat exchanger, meaning the passenger's cabin vents can never exceed the air temperature of the drivers.  This function was not reversed for right-hand drive variants of the SL, giving your passenger the final say! 

The fresh air in the cabin of your W113 Mercedes SL is fed from the air intake above the bonnet, through a sponge pollen filter before being fed to the vehicle's occupants via the chrome vents at either end of the dashboard. The blower motor on a W113 Mercedes SL is controlled by a rotary speed switch on the dashboard, with speed one having variable control, before clicking to fixed speeds two and three for faster airflow.

As W113 Mercedes SL specialists, SLSHOP understands the value of a working heating and ventilation system. A faltering or un-operational system will render the driving experience and value of the car disappointing. 

To cater for all owners, SLSHOP stocks a range of heating and ventilation parts across different tiers of pricing and quality. From blower motors, chrome air intake scuttle grilles, grommets to switches and seals, each item has been carefully selected by our expert team. We can supply you with Heritage Mercedes Parts - old-new components still in their original packaging - or Reproduction Premium Mercedes parts that have been manufactured to exceed the original standard. 

To quickly locate your required heating and ventilation component, browse our website using the search bar, category filter or by using the line drawing. Alternatively, email [email protected] or call our team on +44 (0) 1789 337 070. Each soft and hard top item can be shipped with next-day delivery to any postcode worldwide.


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