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Function of front heated seats - GF91.30-P-0004F

MODEL 210, 202 as of 1.9.95 with CODE (873) Electrically heated left and right front seats 

Fig 1: Identifying Function Of Front Heated Seats
G04632694Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Seated heats are switched on with left or right front heated seat (HS) switch (N25/5s1, N25/5s2). After actuation this switch (button) returns to rest position.

Step I or II is switched on by pressing appropriate symbol once. At the same time, in step I one LED illuminates and in step II both LEDs illuminate. By pressing the same symbol twice, heated seats are switched off.

Switch-on time of both heater steps is limited by front HS control module (N25/5). Step II is automatically switched to step I after approx. 5 min. After approx. 30±5 minutes, heated seats switch off automatically.

When switching off ignition (position 0) automatic heater process is interrupted. When switching on ignition again left or right front heated seat (HS) switch (N25/5s1, N25/5s2) must be re-actuated.

Heater elements (seat backrest/cushion) are switched in parallel. In step I actuation of heater element is from front HS control module (N25/5). Switch-on time is approx. 30%.

If battery voltage is below 11 V, heated seats are automatically shutoff through front HS control module (N25/5) and LEDs in switches (N25/5s1, N25/5s2) flash.