relay diagram for w203

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07-06-2016, 05:40 AM

#51

jorfer1

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C-Class Sedan W203

Quote:

Originally Posted by Glyn M Ruck

The ballast/ignitors are mounted inside the front light units on most models. There is a repair kit available to replace ignitors without stripping the lights which means heating the glue that holds on the lens. I have the kit fitment method if you end up needing it.

There is something wrong with the SAM's. They are not able to talk back to the diagnostics over the CANBUS at present. The car should be telling you by light which ones are out and it is not. At the very least something has become corrupted through jump starting, or disconnecting a battery or similar.

I'm afraid you need to get this car onto a Star DAS & hope that reprogramming the SAM's fixes this problem. Does the car have BiX or just halogens?

10 A 203 820 01 61 LIGHTING UNIT
LEFT, RIGHT-HAND TRAFFIC [010]
001
10 A 203 820 31 61 LIGHTING UNIT
LEFT, RIGHT-HAND TRAFFIC
Replaced_By: A 203 820 11 59
+001 A 203 826 01 91 [016], [045]
001
10 A 203 820 11 59 LIGHTING UNIT
LEFT, RIGHT-HAND TRAFFIC [016]
001
10 A 203 820 02 61 LIGHTING UNIT
RIGHT, RIGHT-HAND TRAFFIC [010]
001
10 A 203 820 32 61 LIGHTING UNIT
RIGHT, RIGHT-HAND TRAFFIC
Replaced_By: A 203 820 12 59
+001 A 203 826 01 91 [016], [045]
001
10 A 203 820 12 59 LIGHTING UNIT
RIGHT, RIGHT-HAND TRAFFIC [016]
001
10 A 203 820 11 61 LIGHTING UNIT
LEFT XENON HEADLAMPS, RIGHT-HAND TRAFFIC Code: 612
001
10 A 203 820 12 61 LIGHTING UNIT
RIGHT XENON HEADLAMPS, RIGHT-HAND TRAFFIC Code: 612
001
10 A 203 820 07 61 LIGHTING UNIT
LEFT, LEFT HAND TRAFFIC [010]
Code: 613
001
10 A 203 820 33 61 LIGHTING UNIT
LEFT, LEFT - HAND TRAFFIC
Replaced_By: A 203 820 13 59
+001 A 203 826 01 91 [016], [046]
Code: 613
001
10 A 203 820 13 59 LIGHTING UNIT
LEFT, LEFT HAND TRAFFIC [047]
Code: 613
001
10 A 203 820 08 61 LIGHTING UNIT
RIGHT, LEFT-HAND TRAFFIC [010]
Code: 613
001
10 A 203 820 34 61 LIGHTING UNIT
RIGHT, LEFT-HAND TRAFFIC
Replaced_By: A 203 820 14 59
+001 A 203 826 01 91 [016], [046]
Code: 613
001
10 A 203 820 14 59 LIGHTING UNIT
RIGHT, LEFT-HAND TRAFFIC [047]
Code: 613
001
10 A 203 820 37 61 LIGHTING UNIT
LEFT, BI-XENON RIGHT-SIDE TRAFFIC
Replaced_By: A 203 820 17 59 [045]
Code: 614
001
10 A 203 820 17 59 LIGHTING UNIT
LEFT, BI-XENON RIGHT-SIDE TRAFFIC [047], [048]
Code: 614
001
10 A 203 820 35 59 LIGHTING UNIT
LEFT, BI-XENON RIGHT-SIDE TRAFFIC [049]
Code: 614
001
10 A 203 820 38 61 LIGHTING UNIT
RIGHT, BI-XENON RIGHT-SIDE TRAFFIC
Replaced_By: A 203 820 18 59 [045]
Code: 614
001
10 A 203 820 18 59 LIGHTING UNIT
BI-XENON, RIGHT, RIGHT-HAND TRAFFIC [047], [048]
Code: 614
001
10 A 203 820 36 59 LIGHTING UNIT
BI-XENON, RIGHT, RIGHT-HAND TRAFFIC [049]
Code: 614
001
10 A 203 820 13 61 LIGHTING UNIT
LEFT, LEFT HAND TRAFFIC Code: 617
001
10 A 203 820 14 61 LIGHTING UNIT
RIGHT, LEFT-HAND TRAFFIC Code: 617
001
10 A 203 820 39 61 LIGHTING UNIT
BI-XENON ASYMMETRICAL LH TRAFFIC, LEFT
Replaced_By: A 203 820 19 59
+001 A 203 826 01 91 [045]
Code: 618
001
10 A 203 820 19 59 LIGHTING UNIT
BI-XENON ASYMMETRICAL LH TRAFFIC, LEFT [047], [050]
Code: 618
001
10 A 203 820 37 59 LIGHTING UNIT
BI-XENON ASYMMETRICAL LH TRAFFIC, LEFT [049]
Code: 618
001
10 A 203 820 40 61 LIGHTING UNIT
BI-XENON ASYMMETRICAL LH TRAFFIC, RIGHT
Replaced_By: A 203 820 20 59
+001 A 203 826 02 91 [045]
Code: 618
001
10 A 203 820 20 59 LIGHTING UNIT
BI-XENON ASYMMETRICAL LH TRAFFIC, RIGHT [047], [048]
Code: 618
001
10 A 203 820 38 59 LIGHTING UNIT
BI-XENON ASYMMETRICAL LH TRAFFIC, RIGHT [049]
Code: 618
001
10 A 203 820 09 61 LIGHTING UNIT
LEFT, RIGHT-HAND TRAFFIC [010]
Code: 494
001
10 A 203 820 35 61 LIGHTING UNIT
LEFT, RIGHT-HAND TRAFFIC
Replaced_By: A 203 820 15 59
+001 A 203 826 01 91 [016], [045]
Code: 494
001
10 A 203 820 15 59 LIGHTING UNIT
LEFT, RIGHT-HAND TRAFFIC [047]
Code: 494
001
10 A 203 820 10 61 LIGHTING UNIT
RIGHT, RIGHT-HAND TRAFFIC [010]
Code: 494
001
10 A 203 820 36 61 LIGHTING UNIT
RIGHT, RIGHT-HAND TRAFFIC
Replaced_By: A 203 820 16 59
+001 A 203 826 01 91 [016], [045]
Code: 494
001
10 A 203 820 16 59 LIGHTING UNIT
RIGHT, RIGHT-HAND TRAFFIC [047]
Code: 494
001
10 A 203 820 15 61 LIGHTING UNIT
HEADLAMP-XENON, LEFT Code: 494+612
001
10 A 203 820 16 61 LIGHTING UNIT
HEADLAMP-XENON, RIGHT Code: 494+612
001
10 A 203 820 41 61 LIGHTING UNIT
LEFT, BI-XENON RIGHT-SIDE TRAFFIC
Replaced_By: A 203 820 21 59 [045]
Code: 494+614
001
10 A 203 820 21 59 LIGHTING UNIT
BI-XENON, LEFT, RIGHT-HAND TRAFFIC [047], [048]
Code: 494+614
001
10 A 203 820 39 59 LIGHTING UNIT
BI-XENON, LEFT, RIGHT-HAND TRAFFIC [049]
Code: 494+614
001
10 A 203 820 42 61 LIGHTING UNIT
RIGHT, BI-XENON RIGHT-SIDE TRAFFIC
Replaced_By: A 203 820 22 59 [045]
Code: 494+614
001
10 A 203 820 22 59 LIGHTING UNIT
BI-XENON, RIGHT, RIGHT-HAND TRAFFIC [047], [048]
Code: 494+614
001
10 A 203 820 40 59 LIGHTING UNIT
BI-XENON, RIGHT, RIGHT-HAND TRAFFIC [049]
Code: 494+614
001
20 A 140 820 05 49 .CAP
HEADLAMP 002
30 A 203 820 01 49 .CAP
HIGH BEAM HEADLAMP 002
40 A 203 820 25 26 .CONTROL UNIT
HEADLAMP-XENON, LEFT Code: 612/617
001
40 A 203 820 25 26 .CONTROL UNIT
HEADLAMP-XENON, RIGHT Code: 612/617
001
40 A 203 820 16 85 .CONTROL UNIT
BI-XENON
Replaced_By: A 203 820 88 85 [005], [048]
Code: 614
002
40 A 203 820 16 85 .CONTROL UNIT
BI-XENON
Replaced_By: A 203 820 88 85 [005], [048]
Code: 618
002
40 A 203 820 88 85 .CONTROL UNIT
BI-XENON Code: 614
002
40 A 203 820 88 85 .CONTROL UNIT
BI-XENON Code: 618
002
45 A 220 826 01 89 .CLAMPING RING
IGNITION MODULE FOR XENON BURNER
FOR ZG 4.1 [409]
Code: 614/617/618
001
60 A 129 800 24 75 .ELEMENT
LIGHT RANGE ADJUSTER LEFT Code: -494
001
60 A 129 800 24 75 .ELEMENT
LIGHT RANGE ADJUSTER RIGHT Code: -494
001
70 N 400809 9000007 .BULB
LEFT-LOW-BEAM
H7 12V-55W 001
70 N 400809 9000007 .BULB
MAIN BEAM LEFT
H7 12V-55W 001
70 N 400809 9000007 .BULB
RIGHT LOW BEAM
H7 12V-55W 001
70 N 400809 9000007 .BULB
MAIN BEAM LEFT
H7 12V-55W;H7 Code: 612/617/614/618
001
70 N 400809 9000007 .BULB
MAIN BEAM RIGHT
H7 12V-55W 001
70 N 400809 9000007 .BULB
MAIN BEAM RIGHT
H7 12V-55W;H7 55W-12V Code: 612/617/614/618
001
80 N 910139 9000000 .BURNER XENON
LEFT-LOW-BEAM
D2R 12V-35W Code: 612/617
001
80 N 910139 9000000 .BURNER XENON
LOW BEAM RIGHT
D2R 12V-35W Code: 612/617
001
80 N 910139 9000001 .BURNER XENON
LEFT
D2S 12V-35W Code: 614/618
001
80 N 910139 9000001 .BURNER XENON
RIGHT
D2S 12V-35W Code: 614/618
001
90 N 600000 0000000 .BULB
SIDE MARKER AND CLEARANCE LIGHTS,LEFT
12.8V-3CP 001
90 N 600000 0000000 .BULB
SIDE MARKER AND CLEARANCE LIGHTS,RIGHT
12.8V-3CP 001
100 N 400809 9000000 .BULB
LEFT BLINKER LIGHT
12V-21W 001
100 N 400809 9000000 .BULB
RIGHT BLINKER LIGHT
12V-21W 001
100 N 600000 0000007 .BULB
LEFT BLINKER LIGHT
12.8V-30CP Code: 494+614
001
100 N 600000 0000007 .BULB
RIGHT BLINKER LIGHT
12.8V-30CP Code: 494+614
001
100 N 000000 0002525 .BULB
LEFT BLINKER LIGHT
12V-21W Code: 614/618
001
100 N 000000 0002525 .BULB
RIGHT BLINKER LIGHT
12V-21W Code: 614/618
001
110 A 001 826 19 82 .LAMP SOCKET
LEFT BLINKER LIGHT 001
110 A 001 826 19 82 .LAMP SOCKET
RIGHT BLINKER LIGHT 001
110 A 001 826 34 82 .LAMP SOCKET
LEFT BLINKER LIGHT Code: 494+614
001
110 A 001 826 34 82 .LAMP SOCKET
RIGHT BLINKER LIGHT Code: 494+614
001
120 A 203 826 01 91 .SEALING RING
LEFT 001
120 A 203 826 02 91 .SEALING RING
RIGHT 001
130 A 004 994 12 45 SHEET METAL NUT
LAMP UNIT TO FRONT MODULE INSIDE
M5 002
130 A 004 994 12 45 SHEET METAL NUT
LAMP UNIT TO FRONT MODULE TOP
M5 001
130 A 004 994 12 45 SHEET METAL NUT
LAMP UNIT TO FRONT MODULE TOP
M5 001
140 N 910105 5005007 SCREW
LAMP UNIT TO FRONT MODULE INSIDE
M5X45 002
140 N 910105 5005007 SCREW
LAMP UNIT TO FRONT MODULE OUTSIDE
M5X45 002
145 N 304017 7005008 SCREW
LAMP UNIT TO FRONT MODULE TOP
M5X30 001
147 N 000433 3005304 WASHER
LAMP UNIT TO FRONT MODULE TOP
5MM 001
150 N 304017 7005008 SCREW
LAMP UNIT TO FRONT MODULE TOP
M5X30 001
160 A 203 826 01 82 LAMP SOCKET
REPAIR SOLUTION FOR TURN SIGNAL IND. Code: -494
001
160 A 203 826 02 82 LAMP SOCKET
REPAIR SOLUTION FOR TURN SIGNAL IND. Code: 494
001
200 A 203 820 24 26 CONTROL UNIT
LIGHT SENSOR [051]
Code: -055-804/-055-345/-055-345-804
001
200 A 203 820 65 85 CONTROL UNIT
LIGHT SENSOR [052], [051]
Code: -345+055
001
200 A 203 820 65 85 CONTROL UNIT
LIGHT SENSOR [053]
Code: -345
001
200 A 209 820 24 26 CONTROL UNIT
RAIN AND LIGHT SENSOR
Replaced_By: A 209 820 31 26 [022]
Code: 345
001
200 A 209 820 31 26 CONTROL UNIT
RAIN AND LIGHT SENSOR
Replaced_By: A 221 870 28 26 [022]
Code: 345
001
200 A 221 870 28 26 CONTROL UNIT
RAIN AND LIGHT SENSOR
Replaced_By: A 221 870 88 26 [022], [005], [023]
Code: 345
001
200 A 221 870 88 26 CONTROL UNIT
RAIN AND LIGHT SENSOR
Replaced_By: A 221 870 00 92 [022], [005], [024]
Code: 345
001
200 A 221 870 00 92 CONTROL UNIT
RAIN AND LIGHT SENSOR [022]
Code: 345
001
200 A 203 820 24 26 CONTROL UNIT
LIGHT SENSOR Code: -345+691
001
200 A 203 820 52 26 CONTROL UNIT
AUTOMATIC DRIVING LIGHT CONTROL Code: -345+693
001
210 A 203 822 01 35 COVER
CONTROL UNIT [012], [907]
001
210 A 203 822 03 35 COVER
CONTROL UNIT [034], [012], [907]
Code: 804
001
210 A 203 822 03 35 COVER
CONTROL UNIT [034], [012], [908]
Code: 804
001
210 A 203 822 03 35 COVER
CONTROL UNIT [013], [907]
001
210 A 203 822 03 35 COVER
CONTROL UNIT [013], [908]
001
250 A 203 820 31 14 HOLDER
LEFT CARRIER REPAIR KIT 001
250 A 203 820 32 14 HOLDER
RIGHT CARRIER REPAIR KIT 001
300 A 203 826 02 77 FOIL
TOURIST SOLUTION FOR LEFT-HAND DRIVEVEHICLE, FOR LEFT-HAND TRAFFIC [010]
001
300 A 203 826 03 77 FOIL
TOURIST SOLUTION FOR RIGHT-HAND DRIVEVEHICLE, FOR RIGHT-HAND TRAFFIC [010]
001
300 A 203 826 04 77 FOIL (XENON)
TOURIST SOLUTION FOR LEFT-HAND DRIVEVEHICLE, FOR LEFT-HAND TRAFFIC [010]
001
300 A 203 826 05 77 FOIL (XENON)
TOURIST SOLUTION FOR RIGHT-HAND DRIVEVEHICLE, FOR RIGHT-HAND TRAFFIC
XENON [010]
001
310 A 203 826 07 77 FOIL
TOURIST SOLUTION FOR LEFT-HAND DRIVEVEHICLE, FOR LEFT-HAND TRAFFIC [016]
001
310 A 203 826 08 77 FOIL
TOURIST SOLUTION FOR RIGHT-HAND DRIVEVEHICLE, FOR RIGHT-HAND TRAFFIC [016]
001
350 A 215 820 05 56 FOGLAMP
LEFT [010]
001
350 A 203 820 17 56 FOGLAMP
LEFT [016], [035]
001
350 A 203 820 31 56 FOGLAMP
LEFT [056]
Code: -804
001
350 A 215 820 06 56 FOGLAMP
RIGHT [010]
001
350 A 203 820 18 56 FOGLAMP
RIGHT [016], [035]
001
350 A 203 820 32 56 FOGLAMP
RIGHT [056]
Code: -804
001
350 A 215 820 07 56 FOGLAMP
LEFT [002]
Code: 772
001
350 A 215 820 07 56 FOGLAMP
LEFT [002]
Code: 614+772
001
350 A 215 820 07 56 FOGLAMP
LEFT [002]
Code: 618+772
001
350 A 230 820 03 56 FOGLAMP
LEFT [057], [002]
Code: 772+805
001
350 A 230 820 03 56 FOGLAMP
LEFT [057], [002]
Code: 614+772+805
001
350 A 230 820 03 56 FOGLAMP
LEFT [057], [002]
Code: 618+772+805
001
350 A 230 820 03 56 FOGLAMP
LEFT [004]
Code: 772
001
350 A 230 820 03 56 FOGLAMP
LEFT [004]
Code: 614+772
001
350 A 230 820 03 56 FOGLAMP
LEFT [004]
Code: 618+772
001
350 A 215 820 08 56 FOGLAMP
RIGHT [002]
Code: 772
001
350 A 215 820 08 56 FOGLAMP
RIGHT [002]
Code: 614+772
001
350 A 215 820 08 56 FOGLAMP
RIGHT [002]
Code: 618+772
001
350 A 230 820 04 56 FOGLAMP
RIGHT [057], [002]
Code: 772+805
001
350 A 230 820 04 56 FOGLAMP
RIGHT [057], [002]
Code: 614+772+805
001
350 A 230 820 04 56 FOGLAMP
RIGHT [057], [002]
Code: 618+772+805
001
350 A 230 820 04 56 FOGLAMP
RIGHT [004]
Code: 772
001
350 A 230 820 04 56 FOGLAMP
RIGHT [004]
Code: 614+772
001
350 A 230 820 04 56 FOGLAMP
RIGHT [004]
Code: 618+772
001
350 A 203 820 11 56 FOGLAMP
LEFT [010]
Code: 614/618
001
350 A 203 820 12 56 FOGLAMP
RIGHT [010]
Code: 614/618
001
350 A 203 820 19 56 FOGLAMP
LEFT [011]
Code: 614+619/618+619
001
350 A 203 820 20 56 FOGLAMP
RIGHT [011]
Code: 614+619/618+619
001
360 A 215 826 01 90 .LENS
LEFT [010]
Code: -772
001
360 A 215 826 02 90 .LENS
RIGHT [010]
Code: -772
001
360 A 203 826 01 90 .LENS
LEFT [010]
Code: -772+614/-772+618
001
360 A 203 826 01 90 .LENS
LEFT [016]
Code: -772
001
360 A 203 826 02 90 .LENS
RIGHT [010]
Code: -772+614/-772+618
001
360 A 203 826 02 90 .LENS
RIGHT [016]
Code: -772
001
370 A 215 826 01 91 .SEALING RING
LEFT 001
370 A 215 826 01 91 .SEALING RING
RIGHT 001
370 A 215 826 01 91 .SEALING RING
LEFT Code: 772
001
370 A 215 826 01 91 .SEALING RING
RIGHT Code: 772
001
380 A 140 826 02 84 .SPRING
LEFT 003
380 A 140 826 02 84 .SPRING
RIGHT 003
390 N 000000 0000069 .BULB
FOGLAMP
HB4 12V-51W 002
395 N 400809 9000007 .BULB
FOGLAMP
H7 12V-55W Code: 614+619/618+619
001
410 N 000000 0000548 SHEET METAL SCREW
INTERIOR PART TO PANELLING
4.8X16 004
410 N 914031 1004206 SHEET METAL SCREW
ATTACHMENT FOG LAMP
M8X16 [002]
004
410 N 910105 5005000 SCREW
ATTACHMENT FOG LAMP
M5X12 [003], [002]
Code: 805
006
410 N 910105 5005000 SCREW
ATTACHMENT FOG LAMP
M5X12 [004]
006
410 N 910105 5005000 SCREW
ATTACHMENT FOG LAMP
M5X12 004
420 A 004 994 52 45 FUSE
LEFT Code: 772
002
420 A 004 994 52 45 FUSE
RIGHT 002
420 A 001 990 75 91 SHEET METAL NUT
ATTACHMENT FOG LAMP Code: -772
004
420 A 004 994 12 45 SHEET METAL NUT
ATTACHMENT FOG LAMP
M5 004
440 A 203 885 00 56 TAKE-UP DEVICE
FOGLAMP Code: 772
004
470 A 203 545 57 28 PLUG Code: 614/618
001

Hello
I saw this very interesting post and I have some problems with my headlights that sometimes they fail sometimes they don't.
I check everything and so far I was unable to find any problems. I replaced the lamps, the ballast and still the same problem. I suspect the problem is in the igniter.
You mention a repair kit available to replace ignitors. Can you help on how I can accomplish such replacement ?
Thanks for the help.

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07-08-2016, 05:03 PM

#52

Glyn M Ruck

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Location: Llandudno, Cape Town, South Africa

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late 2009 CLK 350 Coupe Elegance, '65 Jaguar S Type wires

It's in the W203 Wiki at the page head of the forum under TOOLS

https://mbworld.org/wiki/index.php/F...acement-1-.pdf

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05-04-2017, 03:02 PM

#53

DLW

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Join Date: May 2017

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c240 4matic

wipers, sunroof, left right drive signal, ac/heat, reverse lamps, windows not working

any advice what the issue is and how to fix? Thanks.

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05-05-2017, 01:08 PM

#54

Preet

Senior Member

Join Date: Jan 2007

Location: Canada, Ontario, Brampton

Posts: 337

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E63 AMG W211 & W203 Sport Pkg

Quote:

Originally Posted by DLW

any advice what the issue is and how to fix? Thanks.

maybe your sam unit

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05-15-2018, 11:29 AM

#55

yasir_uet

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W203 1.8 Petrol auto 2006

Hello, Can anybody be kind enough to suggest where is the AC compressor Relay in W203, 1.8 Petrol Auto 2006 model. Air conditioning is not working in my car and I don't see Compressor kicking in when I switch on the AC so I just want to check the fuses and Relay first. From what I knew the fuses are 41 and 51, if not please correct me. Thanks

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05-15-2018, 06:24 PM

#56

W203E35

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2006 C350 Sport 6MT

Does the fan work when the car is hot or running for a while? It might just be the AC control? Are there any error codes on the car? Look at number 5 on the document.

Attached Files

Front prefuse box.pdf (84.7 KB, 396 views)

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05-15-2018, 06:39 PM

#57

W203E35

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2006 C350 Sport 6MT

Here is the interior fuse box. 41 is correct for the climate control unit.

Attached Files

Interior driver's side fuse box.pdf (85.8 KB, 478 views)

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05-16-2018, 03:19 AM

#58

yasir_uet

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W203 1.8 Petrol auto 2006

Thanks for the information.. Yes can works fine and heating works fine also. Last year I was driving the car and I set AC to climate control by pressing the climate control button. The
AC started with full blast and worked fine for 5 minutes before I switched off the climate control. After that AC stopped blowing cold air. I topped up the gas also but no joy. I will check fuse 41, what else shall I check ?

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05-16-2018, 06:25 AM

#59

yasir_uet

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W203 1.8 Petrol auto 2006

I have checked fuse 41, its working fine as the fan is blowing air inside the cabin. Its cooling which is not working. How can I check if compressor is working ? any fuse or relay I should check ? Thanks

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12-01-2018, 03:21 PM

#60

ironhunt8

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2008 c300 4matic

n seq asg pump control relay

hey does any one know position N relay in c300 2008 . i hear clicking sound from if even if the car is turned off and it does that clicking after more or less 20 sec .. im trying to find a parasitic draw in my car .batt dies over night .

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06-13-2019, 06:28 PM

#61

Walter Weakley

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2001, c240

if i remove fuse 51, to shut down AAC completely. AAC always come on when i start car.
will the cooling fan still work to cool engine on working temperature?
or is cooling fan also shut down completely ?
i just want to disengage the AAC compressor .
w203, C204,V6

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