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blower, comfort, electronic, fan, rearseat

Reverse engineering of Mercedes S-Class rear seat fans: how to make them work?

maxmad on Dec 8, 2025

Feb 11, 2026 03:23 AM
by maxmad

15

1,528

S-Class (W222)

ac, benz, c320, climate, control, cooling, electric, engine, fan, head, high, mercedes, radiator, stays, stuck, turning, working

Radiator fan always on HIGH, regardless of weather or a/c, this is not normal.

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1 2 3)

stevodotorg on Nov 14, 2007

Dec 15, 2025 12:05 AM
by MyW203@187000

62

208,858

C-Class (W202)

climate control, engine, fan, fuse, w204

Climate Control not working and Fan turns ON as soon as I start the car

(

1 2)

shirjeel.arshad on May 27, 2018

Dec 8, 2025 04:37 PM
by The Alchemist

33

88,208

C-Class (W204)

63, change, cl, climate, contro, cuts, das, engine, fan, fj80, forum, switch, tempature, temperature, unit, warm, xentry

CL Climate Control - Interior Temperture Sensor

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1 2)

NRL on Oct 19, 2011

Oct 14, 2025 09:09 PM
by pgguy_007

28

25,189

CL55 AMG, CL65 AMG, CL63 AMG (C215, C216)

SL/R230:

airscarf?

NEMES1S on Sep 24, 2009

Mar 8, 2025 11:49 AM
by TripleDown

7

4,167

SL-Class (R230)

amg, c32, cls550, fan, fashioned, garage, hot, lower, modding, radiators, rear, temperature, thermostats, turnoff, water

HOW TO: -10c Cooling system mod ($30) Best way to lower temps!

(

1 2 3)

nidyanazo on Jan 8, 2013

Dec 10, 2024 09:39 PM
by JustTXn

54

26,091

CL55 AMG, CL65 AMG, CL63 AMG (C215, C216)

2004, 2007, ac, c280, c300, car, cooling, e500, fan, high, loud, mercedes, noise, s500, speed, w211

High Fan Speed/Noisy ATC

Sportstick on Jul 2, 2010

Aug 28, 2024 12:14 PM
by ptkacik

17

24,679

E-Class (W211)

06, 2006, climate, control, e320, e350, e500, fan, heater, install, mb, mercedes, noise, sqeeking, squelling, starting, wheel

2006 E350 squeaking noise when starting climate control

(

1 2)

asiamood on Dec 17, 2009

Jul 20, 2024 05:29 PM
by ptkacik

30

40,956

E-Class (W211)

auxiliary, coolant, cooling, cut, electric, electrical, engine, fan, mercedes, ml, ml320, pump, run, running, water

coolant pump over-run after switching engine off

marineboy0 on Mar 21, 2003

Mar 24, 2024 09:12 PM
by DBowman35

5

5,598

Mercedes Tech Talk

2001, 36, benz, cl500, cl600, control, daigram, fail, fan, marking, mercedes, module, radiator, safe, temperature, wiring

2006 CL600 fan will not turn on, any ideas?

mercedesauto on Jun 4, 2013

Feb 3, 2024 02:17 AM
by Fried Chicken

5

4,097

CL-Class (W215)

08, 126, 211, ac, aircon, blower, cigarette, cls, fan, lighter, lights, mercedes, speed, stuck, w211, weak, work, working

Aircon Blower stuck on lowest fan speed, interior lights not working

ap10046 on Jul 30, 2012

Jan 20, 2024 02:52 PM
by majied

5

5,693

E-Class (W211)

2007, 2010, blow, blower, box, c300, class, fan, fuse, heat, mercedes, motor, speed, w116, w220, working

Heat and A/C work, but fan doesn't. Blower motor fuse blown/exploded. Please help.

jtwillia2 on Dec 3, 2013

Dec 25, 2023 11:50 AM
by xgleonx

16

103,930

C-Class (W203)

2000, 500, 55, amg, change, cls, cooling, fan, ml, ml55, ml63, overheating, overheats, radiator, thermostat, w163

Is my 2000 ml55 overheating or need a new thermostat?

lakers2011 on Jun 5, 2011

Oct 28, 2023 12:15 PM
by yueg999

2

4,844

ML55 AMG, ML63 AMG (W163, W164)

1994, ac, benz, clutch, diagram, diagrams, e420, fan, mecedes, wiring

'94 E420 Wiring Diagram

jcjcrespo on Mar 19, 2013

Sep 5, 2023 08:10 PM
by benzbaby11

2

3,540

E-Class (W124)

2012, 350, coilpack, fairing, fan, glk, glk350, issues, main, owner, problems, problems2010glk, reported, speaker, times, turning

The Official GLK Problems with Aging Thread

(

1 2 3 4 5 ... Last Page)

MBRedux on Oct 11, 2011

Sep 1, 2023 06:57 AM
by Yugo26

240

219,422

GLK-Class (X204)

fan, pressure sensor, pressure switch, w204

W204 fan at full speed and no AC

fredsell on Jul 6, 2023

Jul 6, 2023 09:49 AM
by fredsell

0

1,213

C-Class (W204)

2002, blower, cost, dealership, e55, e60, fan, hvac, increase, intermittent, intermittently, motor, replacement, speed, weak, working

HVAC Blower motor weak

CALLISTO on Jul 3, 2011

Jun 13, 2023 07:28 PM
by Needleroozer

4

3,912

W210 AMG

230k, benz, clk, clk430, coming, electric, engine, fan, fans, front, mercedes, radiator, radiatoronclk430, removing, spinning, w208

Electric radiator fans not spinning

gn3 on Apr 18, 2010

Mar 12, 2023 09:48 PM
by 00-430

14

48,239

CLK-Class (W208)

2005, 4matic, adjust, c320, car, change, clock, common, fan, mercedes, problems, radiator, starter, switch, tcm, w203, water

PLEASE HELP!!!!! CAR NOT STARTING!

(

1 2)

DrewGoods on Jan 15, 2012

Dec 21, 2022 09:22 PM
by LExgurl

27

45,657

C-Class (W203)

ac, air, black, button, car, condition, conditioner, fan, flow, heating, inside, recirculation, silver, switch, vents

no airflow when fan is off?

dannieboiz on Jun 4, 2009

Sep 26, 2022 06:09 PM
by NewShockerGuy

16

4,465

E-Class (W211)

02, 2002, 500, ac, cl, cl500, electric, electrical, fan, inop, module, move, passenger, problems, window

02 CL500 Electrical problem HELP!!!!

ciggie on Apr 14, 2013

Sep 23, 2022 04:14 PM
by CaliBenzDriver

5

3,970

Mercedes Tech Talk

2010, 2011, 550, ash, ashblack, black, coupe, e550, engine, fan, hissing, loud, merceds, noise, white

2010 E550 Coupe: Loud fan noise...possible issue??

JoE TeE on Aug 1, 2011

Jul 15, 2022 03:24 AM
by Dnasty

11

6,977

E-Class Coupe (C207) & Cabrio (A207)

2000, 2003, ac, blower, chirping, e320, fan, fixing, motor, r129, squeak, squeaky, squealing, squeek, w124, w211

Squeaking a/c

foreyes on Apr 9, 2010

Jul 13, 2022 04:05 PM
by Occlemixing

8

6,320

E-Class (W211)

55, amg, belt, car, cls, fan, hear, noise, squeak, squeaking, squeal, squeeks, start, starting, startup

Belt/pulley squeak at start up ...

(

1 2)

JustPete on May 27, 2009

Jul 7, 2022 02:54 AM
by endi96

48

60,885

W211 AMG

06, 2002, 500, capacity, coolant, fan, light, low, ml, ml500, problems, radiator, remove, running, wiring

ML500 cooling fan wiring problems

(

1 2)

iroc_0085 on Feb 20, 2014

Jul 2, 2022 06:02 PM
by lclimited1

37

54,741

M-Class (W163)

2001, 203, aircondition, c200, compressor, connected, direct, engine, fan, mercedes, merceedes, radiator, sniffer, speed, w203, w211, work

The complicated W203 Radiator Fan question

(

1 2)

indimb on Dec 5, 2013

Jun 22, 2022 07:05 AM
by bigfanbenzzz

26

35,284

C-Class (W203)

430, belt, crank, crankshaft, e500, engine, fan, hot, mercedes, ml, ml430, position, sensor, start, wont

ML430 will not start unless engine is cold PLEASE HELP

Racerx18691 on Oct 6, 2009

May 31, 2022 09:27 AM
by LdyAftermath

16

6,551

M-Class (W163)

ac, air, bearihg, c300, c63, conditioner, condtioner, fan, forums, low, mercedes, motor, noise, noisy, rear, speed, w204

rear air conditioning noise

greggy on Apr 14, 2012

May 3, 2022 09:04 PM
by Robert L

3

2,677

C-Class (W204)

203, air, antifreeze, benz, c220, c22o, cdi, coming, conditioner, engine, fan, mercedes, radiador, test, w203, wiki

w203 radiator fan wiring c220 cdi coolant visit workshop

Guddu05 on Aug 5, 2012

Mar 4, 2022 11:11 AM
by drm

6

15,149

C32 AMG, C55 AMG (W203)

2003, benz, car, cdi, cl55, coolant, e320, fan, mercedes, message, motor, overheating, running, visit, vist, w211, w215, workshop

Coolant Visit Workshop

adotomov on Jan 27, 2013

Mar 2, 2022 09:35 AM
by ot1

22

23,293

E-Class (W211)

ac, accelerating, blower, chirping, e55, fan, fuse, heater, mercedes, noise, stops, turn, w210, w211, whirring

Help...low whirring noise NOT blower motor

KoryK on Sep 18, 2012

Feb 26, 2022 07:41 PM
by Ahmed.attiq

14

12,507

E-Class (W211)

2001, 2002, c240, call, class, console, control, fan, humming, mercedes, microphone, oise, overhead, panel, sos, sound, teleaid

overhead console hum

(

1 2)

benzomonterey on Jan 7, 2002

Jan 24, 2022 12:07 PM
by MiStr

25

17,628

C-Class (W203)

How to remove fan shroud 1997 E220

David Silman on Jan 23, 2022

Jan 23, 2022 02:18 AM
by David Silman

0

2,965

E-Class (W124)

05, 2005, alternator, battery, belt, c230, cl500, diy, fan, loosen, mercedes, remove, replace, replacing, tensioner, w203

Need Help!! Alternator Replacement '05 C230

mmdt101 on Dec 5, 2010

Nov 15, 2021 04:18 AM
by slammer111

15

33,283

C-Class (W203)

08, fan, gl550, location, radiator, relay, suspension, w219

08' 550 Radiator Fan or Fan Relay malfunction

Ike Luv on Nov 1, 2013

Aug 25, 2021 08:48 AM
by mrbiggs897

6

12,945

GL Class (X164)

2012, 300, car, driving, e550, engine, fan, feels, hot, low, mercedes, modifying, radiator, shifting, speed, trouble

Shifting Delayed w/Engine is Hot

(

1 2)

BudC on Jun 20, 2012

Jul 27, 2021 12:40 PM
by Jollytar

36

20,007

E-Class (W212)

2000, control, cooling, fan, fuse, location, ml55, sensor, temp

Electric Fan issue in 2000 ML55

bballfreak on Jun 9, 2014

Jun 25, 2021 01:19 AM
by 06SL500AMG

20

20,913

M-Class (W163)

96, c280, chain, cylinder, cylinderhead, fan, gasket, guide, head, install, problem, rail, removal, repair, replacement, tensioner

96 c280 head gasket replacement

soarer2k on Mar 15, 2003

Mar 22, 2021 07:16 PM
by C180Fan

15

16,640

C-Class (W202)

ac, air, broken, clo, conditioner, evaporator, fan, location, mercedes, pressure, r129, refrigerant, sensor, sl500, temperature, working

SL/R129:

1999 SL500 air conditioning problems

(

1 2)

psp bob on Jun 20, 2008

Jan 20, 2021 07:25 PM
by Vernon Boyd

25

53,236

SL-Class (R129)

E350 CDI (W212) Strange Cooling Fan Behaviour

Michael White on Oct 27, 2019

Jan 20, 2021 11:15 AM
by Ade Brownlow

2

8,499

Mercedes Tech Talk

SL/R230:

Engine Fan Noise

randsny on Jan 19, 2016

Nov 8, 2020 10:31 AM
by Bosko Kukucka

8

14,708

SL-Class (R230)

01, 171, 830, 85, cclass, class, digital, ebay, fan, mercedes, pwm, r171, slk, thermatic, thermatronic, thermotronic, w203

2005 Thermotronic (digital climate control)

(

1 2 3)

satch on Jul 19, 2005

Oct 30, 2020 09:26 PM
by BF_JC230

57

47,554

C-Class (W203)

2003, 99, ac, air, blower, blowing, car, change, chevy, fan, intermittently, malibu, mercedes, motor, starts, stops

A/C stops blowing any air all of a sudden, while still staying "On"

K-A on Aug 26, 2009

Oct 19, 2020 06:52 PM
by Slider

19

87,152

E-Class (W211)

2001, c220, c320, cooling, engine, fan, fans, high, low, merc, mercedes, radiator, stay, stays, time

Radiator fan on high all the time

Bradfr on Jul 15, 2012

Sep 14, 2020 04:32 PM
by Deeyon Persaud

22

156,430

C-Class (W203)

350, 500, aircondition, clk, cover, dome, fan, front, light, removal, remove, runs, sniffer, w203, w209, w211

W209 Dome Light Unit: Aircon sensor fan on PC board

Johann-d on May 5, 2013

Sep 4, 2020 09:05 PM
by Rescu2000

18

14,441

CLK-Class (W209)

Heat/AC blower fan working on/off

NinaMerc06 on Apr 20, 2017

Aug 20, 2020 10:56 PM
by wallyp

11

11,860

S-Class (W220)

300sd, 300sdl, 85, 99, e300, electric, fan, longevity, low, maintanance, maintenance, mercedes, mile, mileage, records, sale, td

longetivity and maintenance 300sd or sdl vs. E300TD

cls67 on Aug 21, 2010

Apr 28, 2020 08:52 AM
by Doctor Memory

13

9,011

S-Class (W126)

1999, 2001, ac, blower, blowing, c230, c230k, electronic, fan, hvac, intermittent, mercedes, problems, regulator, resistor, working

C230 Kompressor Blower Resistor Bad?

MichaelsWorld on Apr 27, 2011

Mar 21, 2020 01:03 PM
by Empiremen

10

14,894

C-Class (W202)

Radiator fan electrical connector

Le55 on Jan 6, 2014

Mar 10, 2020 04:33 PM
by cdk4219

12

21,678

W211 AMG

Fan cooling operation kicks in when car is off

cybenz on Oct 31, 2019

Nov 5, 2019 05:54 AM
by S-Prihadi

7

3,225

E-Class (W212)