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Discussion Starter #1
Does anyone know if the front shocks are the same on the 030 Performance package as the regular SLK 55? I am finding conflicting information on this. It appears that it might just be the spring which is different and not the shock itself. Anyone know? I have a 2008.
 

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Administrator 2009 SLK 55 AMG/Founding member 2006
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I will say both

A 171 323 02 44
RUBBER BUMPER
FRONT SHOCK ABSORBERS
Code: M113+486;

486 1998-09-12 SPORTS SUSPENSION


springs

A 171 321 17 04
COIL SPRING
COLOR MARKING: 2 X YELLOW/1 X ORANGE
Code: M113+-030/P98

A 171 321 17 04 | COIL SPRING Code: M113+-030/P98;
Codes
Date
Description
030 2005-02-04 AMG - PERFORMANCE PACKAGE
 

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Discussion Starter #3
Thanks, so are you saying there is no difference in equipment on the 030 package? How do they change it to be stiffer then? I assumed a stiffer spring.
I will say both

A 171 323 02 44
RUBBER BUMPER
FRONT SHOCK ABSORBERS
Code: M113+486;

486 1998-09-12 SPORTS SUSPENSION


springs

A 171 321 17 04
COIL SPRING
COLOR MARKING: 2 X YELLOW/1 X ORANGE
Code: M113+-030/P98

A 171 321 17 04 | COIL SPRING Code: M113+-030/P98;
Codes
Date
Description
030 2005-02-04 AMG - PERFORMANCE PACKAGE
 

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Administrator 2009 SLK 55 AMG/Founding member 2006
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yes springs are color coded

but there is a difference in the strut/shock as below

here is my non 030 shock/strut replacement part number

a1713200430

and it says


A 171 320 04 30
SHOCK ABSORBER
FRONT
Code: M113;

notice, no 030 or 486 suspension in description
 

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Discussion Starter #5
I will say both

A 171 323 02 44
RUBBER BUMPER
FRONT SHOCK ABSORBERS
Code: M113+486;

486 1998-09-12 SPORTS SUSPENSION


springs

A 171 321 17 04
COIL SPRING
COLOR MARKING: 2 X YELLOW/1 X ORANGE
Code: M113+-030/P98

A 171 321 17 04 | COIL SPRING Code: M113+-030/P98;
Codes
Date
Description
030 2005-02-04 AMG - PERFORMANCE PACKAGE
The numbers on the springs are confusing me too. When I look at the parts websites they have two different springs. One with 2x yellow 1x orange and one with 2x yellow and 1x red. I found an old post where someone was asking this same question and it seems like the 2x yellow 1x red was the spring on the 030 package. It would be part 171 321 1804

This is the thread I was looking at https://www.slkworld.com/slk-r171-general-discussion/349346-loud-creaking-noise-help.html

Also here is a picture of my spring. I can't decide if that dot is red or orange. I am leaning toward red.
 

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Administrator 2009 SLK 55 AMG/Founding member 2006
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looks like red to me


from your vin

front

A 171 321 18 04
COIL SPRING
COLOR MARKING: 2 X YELLOW/1 X RED
Code: M113+(030/P30/486)

don't think rear have color coded springs.

A 203 324 05 04
REAR SPRING
Code: M113;
A 203 324 05 04 | REAR SPRING
ID
Text
T039 TO DETERMINE THE REAR SPRINGS THE TABLE BELOW CONTAINS THE POINTS FOR EACH MODEL AND THE SPECIAL EQUIPMENT AS
INSTALLED WHICH HAVE TO BE ADDED UP
=============================================================================================================================
MODEL DES. NO. PTS. CODE SPECIAL.EQUIPMENT NO. PTS..
171.442 165 275 MEMORY 1
171.454 169 349 E-CALL PREINSTALLATION 1
171.456 163 380-385 PREINS.TEL/CELL PHONE + USA/CAN 1
171.473 176 423 5-SPEED AUTOMATIC TRANSMISSION 1
171.458 163 523-530 RADIO/COMAND/NAVIGATION 1
171.445 165 669 COLLAPSIBLE SPARE WHEEL 3
810 SOUND SYSTEM 1
===========================================================================================================================
TABLE REAR SPRINGS - RUBBER BOOT
===========================================================================================================================
SUM OF POINTS REAR SPRINGS BOOT
SERIES 442/454/456 SPORT CODE 486
SPORT/454/456 442/473
-144 -151 208 324 00 04 210 325 01 84
145-151 152-157 208 324 00 04 210 325 02 84
152-157 158-164 208 324 00 04 210 325 03 84
158-164 165-171 208 324 00 04 210 325 04 84

165-170 172-178 202 324 25 04 210 325 01 84
171-178 179-185 202 324 25 04 210 325 02 84
179-185 186-192 202 324 25 04 210 325 03 84
186-250 193-250 202 324 25 04 210 325 04 84
-178 203 324 05 04 210 325 02 84
179-186 203 324 05 04 210 325 03 84
187-250 203 324 05 04 210 325 04 84
==============================================================================================================================
001887 ALSO ORDER PART NUMBER A 203 324 00 84
002819 UPON EXCHANGING SPRING, ALWAYS REPLACE LOWER SPRING SEAL
 

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Discussion Starter #7
looks like red to me


from your vin

front

A 171 321 18 04
COIL SPRING
COLOR MARKING: 2 X YELLOW/1 X RED
Code: M113+(030/P30/486)

don't think rear have color coded springs.

A 203 324 05 04
REAR SPRING
Code: M113;
A 203 324 05 04 | REAR SPRING
ID
Text
T039 TO DETERMINE THE REAR SPRINGS THE TABLE BELOW CONTAINS THE POINTS FOR EACH MODEL AND THE SPECIAL EQUIPMENT AS
INSTALLED WHICH HAVE TO BE ADDED UP
=============================================================================================================================
MODEL DES. NO. PTS. CODE SPECIAL.EQUIPMENT NO. PTS..
171.442 165 275 MEMORY 1
171.454 169 349 E-CALL PREINSTALLATION 1
171.456 163 380-385 PREINS.TEL/CELL PHONE + USA/CAN 1
171.473 176 423 5-SPEED AUTOMATIC TRANSMISSION 1
171.458 163 523-530 RADIO/COMAND/NAVIGATION 1
171.445 165 669 COLLAPSIBLE SPARE WHEEL 3
810 SOUND SYSTEM 1
===========================================================================================================================
TABLE REAR SPRINGS - RUBBER BOOT
===========================================================================================================================
SUM OF POINTS REAR SPRINGS BOOT
SERIES 442/454/456 SPORT CODE 486
SPORT/454/456 442/473
-144 -151 208 324 00 04 210 325 01 84
145-151 152-157 208 324 00 04 210 325 02 84
152-157 158-164 208 324 00 04 210 325 03 84
158-164 165-171 208 324 00 04 210 325 04 84

165-170 172-178 202 324 25 04 210 325 01 84
171-178 179-185 202 324 25 04 210 325 02 84
179-185 186-192 202 324 25 04 210 325 03 84
186-250 193-250 202 324 25 04 210 325 04 84
-178 203 324 05 04 210 325 02 84
179-186 203 324 05 04 210 325 03 84
187-250 203 324 05 04 210 325 04 84
==============================================================================================================================
001887 ALSO ORDER PART NUMBER A 203 324 00 84
002819 UPON EXCHANGING SPRING, ALWAYS REPLACE LOWER SPRING SEAL
Ok, thanks. So to recap it appears that at least in the front, it is a different Shock/strut than the normal SLK 55 AND it is a different spring too. With the 030 package its 171 320 05 30 for the shock and 171 321 18 04 for the springs which are 2x yellow and 1x red.

So I wonder if the OEM replacement would be the only option to match these shocks or would something like a Bilstein B6/B8 work with the 030 performance package too?? Confusing stuff!
 

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someone will respond or i am sure the bilstein site would assist to make a sale
 

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Discussion Starter #10
Bilstein got back to me and they said their cross-reference of the 030 Performance shock (171 320 05 30) is their B8. This is interesting since the B8 is the shorter stroke version of the B6. Oh well good to know at some point if they need to be replaced.
 
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