(Overview Of System Components Of Comfort Heating Systems - GF91.30-P-9990GR)

Model 166 

up to model year 2016 

with code 311 (Temperature-controlled cup holder) 

Model 166 

up to model year 2016 

with code 401 (Climatised front seats) 

Model 166 

up to model year 2016 

with code 443 (Heated steering wheel) 

Model 166 

up to model year 2016 

with code 872 (Left and right rear seat heating) 

Model 166 

up to model year 2016 

with code 873 (Left and right driver's seat heating) 

Courtesy of MERCEDES-BENZ USA

Temperature-controlled cup holder (with CODE 311 (Temperature-controlled cup holder)), steering wheel heater (with CODE 443 (Steering wheel heater)), seat heater (with CODE 873 (Seat heater for left and right front seat) or CODE 401 (Front comfort seats, incl. seat heating and seat ventilation) or CODE 872 (Electric seat heater for left and right rear seat)), shown on model 166.0 

The following components of the steering wheel heater (with CODE 443 (Steering wheel heater) are not illustrated:

• Heating element temperature sensor (R22/4b1)
• Steering wheel heater heating element (R22/4r1)

Electric seat ventilation (with CODE 401 (Front comfort seats, incl. seat heating and seat ventilation)), shown on model 166.0 

Courtesy of MERCEDES-BENZ USA

	SAM control unit, component description	N10	GF54.21-P-4157GR
	Rear control unit, component description	N10/8	GF54.21-P-4134GR
	Component description for automatic air conditioning control and operating unit	N22/7	GF83.40-P-3000GR
	Component description for driver seat control unit	Model 166 up to model year 2016 with code 275 (Memory Package (driver's seat, steering column and mirror)) with code 401 (Climatised front seats) Model 166 up to model year 2016 with code 275 (Memory Package (driver's seat, steering column and mirror)) with code 873 (Left and right driver's seat heating) N32/1	GF91.29-P-5231GR
		Model 166 up to model year 2016 with code 401 (Climatised front seats) except code 275 (Memory Package (driver's seat, steering column and mirror)) Model 166 up to model year 2016 with code 873 (Left and right driver's seat heating) except code 275 (Memory Package (driver's seat, steering column and mirror)) N32/1	GF91.29-P-5231GRA
	Component description for front passenger up seat control unit	Model 166 to model year 2016 with code 401 (Climatised front seats) with code P64 (Memory package) Model 166 up to model year 2016 with code 873 (Left and right driver's seat heating) with code P64 (Memory package) N32/2	GF91.29-P-5241GR
		Model 166 up to model year 2016 with code 401 (Climatised front seats) except code P64 (Memory package) Model 166 up to model year 2016 with code 873 (Left and right driver's seat heating) except code P64 (Memory package) N32/2	GF91.29-P-5241GRA
	Upper control panel control unit, component description	N72/1	GF54.21-P-6040GR
	Rear control panel control unit, component description	Model 166 up to model year 2016 with code 872 (Left and right rear seat heating) N72/2	GF83.40-P-3020GR
	Component description for the electronic ignition lock control unit	N73	GF80.57-P-6001GR
	Component description for steering column tube module control unit	N80	GF54.21-P-6051GR
	Table of contents for function description of comfort heating systems		GF91.30-P-0999GR