C-Class (W203) - MBWorld.org Forums

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bose, c230, c320, class, gti, krew, package, picture, premium, sf, side, skirts, subwoofer, vw, wagon

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Official C-Class Picture Thread

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Accord on Jan 31, 2002

Jun 6, 2026 12:57 PM
by Gersssi

7,020

4,497,100

adjustable, arms, bar, bushings, control, end, links, lube, lubricating, make, rear, squeak, squeaking, suspension, sway, tightening, w203

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Common suspension noises and solutions

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TruTaing on Aug 17, 2010

Mar 7, 2026 12:27 PM
by SilverSound4

345

715,225

18, 2005, 2008020002, c230, campaign, diagram, euro, kompressor, leak, m271, number, oil, recall, sunroof, tails

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M271 2003-2005 C230 guys go to the dealer now free work/recall

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linkmustang on Mar 10, 2008

Nov 6, 2025 01:06 PM
by Euroslammed

300

361,617

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Owners Manuals, Service Manuals, Etc.

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1 2)

Glyn M Ruck on Oct 30, 2010

Jan 11, 2025 11:56 AM
by Handygoober

47

243,529

2006, alternator, battery, c240, coupe, fiat, flapper, jetta, key, motor, recirculating, red, removing, reset, srs

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List of faults that occur after disconnecting battery...

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1 2 3 4 5 ... Last Page)

MB-BOB on Jul 27, 2005

Apr 18, 2024 04:32 PM
by tclark

199

994,625

2003, actuators, air, c32, change, cond, conditioner, evaporator, leaking, merzedes, motors, noisy, recharge, stepper, w203

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Noisy Air Conditioner ?? Stepper Motor Replacement / Clicking & Hissing

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TechSuperstar on Jan 9, 2007

Oct 2, 2023 09:22 PM
by slammer111

659

904,621

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W203 Technical Service Bulletins

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1 2 3 4)

vraa on Oct 3, 2005

Aug 27, 2020 09:46 AM
by StevenVN

86

319,222

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Inductively energised key, handshake & start process

Glyn M Ruck on Aug 21, 2011

Jun 27, 2019 02:39 PM
by Jhicks56

13

76,115

2002, 2005, 2008, benz, c230, guide, indicater, indicator, mb, mercedes, mercedesbenz, model, reset, service, world

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Latest Guide to Resetting the Service Indicator - most models

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1 2 3)

Glyn M Ruck on Jan 5, 2010

Feb 27, 2019 03:12 AM
by hEEk

74

344,837

2004, 22951, 272, c240, capacity, engine, filter, fleece, jaguar, level, mercedes, ml350, oem, oil, overfilled, spec, supplier, type

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Definitive Approved Engine Oil Requirements - USA

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Glyn M Ruck on Dec 11, 2008

Oct 23, 2018 11:56 AM
by Audi Junkie

110

246,019

basslink, battery, c300, cruznlv, discharge, exhaust, infinity, jeep, mercedes, pasad, philippines, schatz, tips, viseeo, wrangler

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MJ50's W203 Mod Fever (OEM Retrofits)

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MJ50 on Jan 5, 2004

Sep 12, 2017 01:26 PM
by MJ50

1,412

612,102

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MUST READ - To All W203 Owners/posters

drexappeal on Jan 31, 2008

Jan 31, 2008 01:47 PM
by drexappeal

0

89,939

2000, 2004, 230, aftermarket, air, c230, filter, interiors, kompressor, mercedes, mods, sedan, supercharger, w203, w204

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AFTERMARKET & OEM MODIFICATIONS / DIY - FAQ's

amdeutsch on May 21, 2005

Feb 12, 2007 03:22 PM
by drexappeal

1

269,907

Normal Threads

blow, bypass, diagram, intake, m111, m271, mercedes, mr2, open, route, supercharger, valve, valves, w203, works

MB OEM Supercharger Bypass Valve

bwco on Apr 22, 2007

Today 05:38 AM
by mikekilo

12

27,532

Driver side door won't latch closed

C230 Sport Coup on Jun 8, 2026

Today 02:02 AM
by C230 Sport Coup

2

140

2002 C230K SC - Dead

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TheRotaryFox on May 13, 2024

Today 01:46 AM
by C230 Sport Coup

145

11,851

Replace alternator, anything else?

nsc230k on Jun 10, 2026

Today 01:31 AM
by C230 Sport Coup

2

60

Bigger injector installation on m111 engine

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1 2 3)

ntinosath on Dec 4, 2025

Jun 11, 2026 05:38 AM
by 112233

52

3,750

Early '01 Fuel Sender Spec Resistance

aerobat on Apr 29, 2015

Jun 11, 2026 12:41 AM
by S@v10r16y

4

5,952

Weird noise like a cd rubbing

CyberSerpent on Jun 8, 2026

Jun 11, 2026 12:06 AM
by smgak

9

146

Basnk 1 sensor 1 nightmare

Brian McL on Jun 9, 2026

Jun 10, 2026 05:53 PM
by Brian McL

1

64

How to get hood open

dpop1013 on Jun 10, 2026

Jun 10, 2026 04:27 PM
by smgak

1

73

Mercedes C240 4matic wagon

Iam Bingood on Jun 7, 2026

Jun 9, 2026 07:41 PM
by Iam Bingood

7

188

Check engine light appears after replacing alternator

ggharek on Jun 8, 2026

Jun 8, 2026 11:07 PM
by TimC300

4

113

Airconditon

2bertz on Jun 13, 2025

Jun 7, 2026 01:20 PM
by itsmeanthony

9

515

Help with doing a smoke test

Nikitag on May 24, 2026

Jun 6, 2026 04:56 PM
by Nikitag

5

266

2003, 2005, 3, c230, engine, flush, fording, intervals, kit, m271, mercedes, reset, service, times, w203, w460, water

How many miles or kms have you clocked your W203 ?

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boytoys on Sep 5, 2005

Jun 6, 2026 01:02 PM
by Gersssi

621

147,901

breather, c230, delete, eaton, egr, hose, intake, kompressor, m271, mercedes, muffler, p0410, removal, resonator, silencer, supercharger

M271 (1.8L) Supercharger Intake Resonator (baffled muffler) removal

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1 2 3 4 5 ... Last Page)

Ogpogo on Jul 30, 2007

Jun 6, 2026 01:25 AM
by senzzz

170

272,580

A/C suddenly warm

itsmeanthony on Jun 4, 2026

Jun 6, 2026 12:53 AM
by smgak

5

151

Thottle body porting

112233 on Jun 5, 2026

Jun 5, 2026 01:57 PM
by 112233

0

88

Intake manifold CORRECT torque specs. please

Brian McL on Jun 2, 2026

Jun 5, 2026 01:37 PM
by Brian McL

5

189

07 C230 rough start w cold engine

Skiehlmeie on Apr 13, 2026

Jun 3, 2026 08:47 AM
by Skiehlmeie

2

215

2002, audi, body, c240, car, clean, cleaning, dirty, diy, m271, m5, mercedes, replace, s4, tba, throtle, throttle, w203

DIY: M271 Throttle Body Cleaning/Getting to and Replacing your TB

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1 2)

nlpamg on Mar 15, 2009

Jun 1, 2026 03:43 AM
by smgak

43

77,379

Stage 2 tune for 2002 c230 kompressor m111 2.3l

2002 m111 c230 on May 30, 2026

May 31, 2026 01:36 PM
by ziigen

1

149

Stage 2 tune for 2002 c230 kompressor m111

2002 m111 c230 on May 29, 2026

May 30, 2026 10:34 AM
by MJ50

1

198

Accidently pushed wheel bearing crooked

Dokus on May 29, 2026

May 30, 2026 02:51 AM
by Dokus

2

177

Sedan sunroof air deflector won't deploy

Spooky55 on Sep 6, 2024

May 28, 2026 02:53 PM
by pfrank

3

690

The " own more than one CL203 club"

C230 Sport Coup on Jul 7, 2025

May 25, 2026 08:57 PM
by C230 Sport Coup

8

616

HOW TO: Fix Cloudy / Yellowed Headlights

KILLERHERTZ on May 24, 2026

May 24, 2026 07:12 AM
by KILLERHERTZ

0

140

Poll

2005 CLK 500 Cold Air Intake

Magnesium77 on May 22, 2026

May 22, 2026 11:29 PM
by smgak

1

100

The Forgotten AMG: "CL203 XX AMG" 3-Year Journey to Fulfillment❗️

XX_Project on Feb 6, 2026

May 22, 2026 04:46 AM
by C55.vick

5

1,073

Rear SAM

scott414 on May 4, 2021

May 20, 2026 02:11 PM
by naesm

2

2,028

Another no cranck no start

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1 2 3)

amcink on Dec 15, 2014

May 20, 2026 01:15 AM
by smgak

57

118,284

Searching for information regarding catalytic converter delete

an6dk on May 12, 2026

May 19, 2026 08:02 PM
by MBENZTECH

6

314

cl203 no speedometer/ABS/ESP/BAS

burgerbreakfast on May 10, 2024

May 18, 2026 03:48 PM
by C230 Sport Coup

10

1,986

Vacuum pump

Kwameskillz on May 11, 2026

May 13, 2026 04:51 AM
by C230 Sport Coup

2

280

Mercerdes c320 w203 m112 misfire cyl 6

Juli Chepandov on Nov 14, 2024

May 12, 2026 06:44 AM
by b05_uli

9

2,207

questions about headlights, inter coolers

an6dk on May 9, 2026

May 11, 2026 03:47 AM
by an6dk

9

337

2001, c240, defect, light, mercedes, reset, restr, restrain, restraint, safety, srs, sys, system, visit, workshop

HELP - "Restraint System Visit Workshop! SRS"

TTR on Feb 25, 2013

May 9, 2026 07:12 AM
by SilverSound4

13

97,422

Coolant leak by oil cap

Nicko559 on Sep 13, 2025

May 9, 2026 07:06 AM
by SilverSound4

6

776

350, c280, cam, clk, door, eclassic, fuel, gas, lip, lock, mercedes, open, petrol, unlock, w126, wont

Fuel door won't open

C230 Sport Coup on May 2, 2013

May 9, 2026 07:04 AM
by SilverSound4

14

39,948

W203 Faulty Headlamp / Need Opinion on Ballast

simaosrcm on Jan 24, 2026

May 9, 2026 06:49 AM
by SilverSound4

2

667

2003, 2007, benz, bra, c230, common, coupe, fix, fog, fogging, headlight, mercedes, prblems, replacing, sport

Looking to buy a C230 Coupe, Headlight damage question, and what other problems?

JMon on Nov 16, 2007

May 9, 2026 05:43 AM
by SilverSound4

13

1,861

2001, 2004, 57i, air, alumicoated, c230, c230k, cl600, cold, induction, intake, kit, kn, mercedes, scoop

Any Cold Air Intake for C-class???

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1 2)

S_kLaSse on Jul 15, 2004

May 9, 2026 05:35 AM
by SilverSound4

35

36,376

New owner m111k

TOMAS PF on May 4, 2026

May 6, 2026 04:16 PM
by C230 Sport Coup

2

172

Parts are Discontinued.

chicago_fog on May 5, 2026

May 5, 2026 06:36 PM
by chicago_fog

2

204

Unknown obd code

the_edge123 on May 1, 2026

May 2, 2026 02:43 PM
by C230 Sport Coup

2

140

We need an intake manifold...but which one ?

Brian McL on Apr 26, 2026

Apr 26, 2026 09:21 PM
by smgak

2

173

How many C coupes are still here?

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1 2 3 4 5)

C230 Sport Coup on Apr 2, 2020

Apr 23, 2026 01:20 PM
by C230 Sport Coup

122

22,945

Intermittent No-Crank/No-Start W203 M271 - TCM Gear Mismatch? (Terminal 50 stays OFF)

letiridumed on Feb 15, 2026

Apr 19, 2026 11:03 AM
by letiridumed

1

265

M271 chain tensioner

Rcb82 on Apr 19, 2026

Apr 19, 2026 02:55 AM
by Rcb82

0

124

w203 randomly ****s off out of nowhere

plebeus89 on Mar 1, 2026

Apr 18, 2026 11:05 AM
by Jessgarcia

9

424

W203 Jammed Bonnet

eugenke on Apr 8, 2026

Apr 17, 2026 03:35 PM
by C230 Sport Coup

2

209