LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mercedes Benz >> 2009 >> CLK63 2D Convertible >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Seats, Restraint Systems -- Basic Knowledge -- 209 Chassis >> Basic Knowledge >> Ventilation mode function - GF91.30-P-2005 >> Ventilation mode function - GF91.30-P-2005QA
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Ventilation mode function - GF91.30-P-2005QA

MODEL 209.3 /4 as of 1.6.04 with CODE (401a) Front luxury seat, incl. heated seat and seat ventilation 

Function requirements 

Function 

The seat ventilation of the driver and front passenger seat is switched on and off and the ventilation power is regulated via the left front seat ventilation switch (N72/1s13) or the right front seat ventilation switch (N72/1s14) in the upper control panel control unit (N72/1).

The feedback of the ventilation power that has been set is accomplished via the three blue LEDs in the left front seat ventilation switch (N72/1s13) or the right front seat ventilation switch (N72/1s14).

Operating the left front seat ventilation switch (N72/1s13) or the right front seat ventilation switch (N72/1s14) one time activates stage 3 of the seat ventilation (three LEDs light up).

When operating the left front seat ventilation switch (N72/1s13) or the right front seat ventilation switch (N72/1s14) again, the system switches to stage 2 (two LEDs light up).

When operating the left front seat ventilation switch (N72/1s13) or the right front seat ventilation switch (N72/1s14) one more time, the system switches to stage 1 (one LED lights up).

IMPORTANT It is possible at any time to switch the seat ventilation on, over, of off by operating the left front seat ventilation switch (N72/1s13) or the right front seat ventilation switch (N72/1s14).

  Front seat ventilation switch, location/task   GF91.30-P-3009Q 
  Seat ventilation blower regulator, location/task   GF91.30-P-3104Q 
  Seat ventilation motors of front seats, location/task   GF91.30-P-3105Q 
  Upper control panel control unit, location / task / design / function   GF54.21-P-4105Q
  Electronic ignition/starter switch control unit, location/task   GF80.57-P-4120Q