Car Model Guide/ Mercedes-Benz/ C-Class/ W204

Mercedes-Benz C-Class Saloon, W204

The quiet one of the three. Softer and less involving than an E90, better built than a B8 inside, and the one whose faults are concentrated in the engine bay rather than spread across the car.

Overview

The W204 is the sedan Mercedes-Benz C-Class, built 2007–2014 and facelifted in 2011. 4 standard engines are documented here, each with its own issue list, inspection sequence and price band. Asking prices across the standard range run €2,600–€15,250, and 1 of the 4 carry a risk level of 4 or 5; the facelift cars sit at a premium over otherwise identical pre-facelift ones. The cheapest way in is the C 180 Kompressor M271-KOMP from €3,450, while the C 180 CGI M271-EVO is the lowest-risk engine at €7,650, which engine you buy matters more here than which year. Prices are illustrative placeholders rather than a sourced market sample. See the methodology.

Body style	sedan	Production	2007–2014
Platform siblings	S204 wagon	Facelift (LCI)	2011

What changed at the 2011 facelift

New front end, bonnet and lights; revised interior and steering wheel; OM651 four-cylinder diesel replaced OM646 across the range; M271 EVO direct-injection petrol replaced the earlier supercharged M271, ending the balance-shaft problem; Seven-speed 7G-Tronic Plus became standard on most automatics. The engine changes are the ones that matter, a car built in the changeover year can carry either engine, so check the engine code on the block rather than the registration date.

Engine matrix: pre-facelift, 2007–2010

The 3 variants sold before the 2011 facelift. Power and years come from the variant records; prices are illustrative, not sourced.

FilterFuelGearboxRisk ceilingGood buy under3 of 3

Badge↕	Engine	Fuel	Years↕	Power↑	Torque↕	Risk↕	Issues	Price band↕	Good buy↕	Verdict
C 180 Kompressor	M271-KOMP	petrol	2007–2010	156 PS	230 Nm	R5	11	€2,600–€6,800	€3,450	Avoid	View
C 220 CDI	OM651	diesel	2009–2010	170 PS	400 Nm	R3	15	€4,200–€12,000	€5,700	Buy	View
C 320 CDI	OM642	diesel	2007–2010	224 PS	510 Nm	R3	15	€4,800–€14,000	€6,600	Buy w/ conditions	View

Engine matrix: facelift / LCI, 2011–2014

The 4 variants sold from the facelift on, priced at a 9% premium over the pre-facelift car.

4 variants from the facelift on, carrying a real market premium of roughly 9% over an otherwise identical pre-facelift car. Variants appearing in both tables were sold either side of the changeover, the build month decides which one you're looking at, not the model year.

FilterFuelGearboxRisk ceilingGood buy under4 of 4

Badge↕	Engine	Fuel	Years↕	Power↑	Torque↕	Risk↕	Issues	Price band↕	Good buy↕	Verdict
C 180 Kompressor	M271-KOMP	petrol	2011–2011	156 PS	230 Nm	R5	11	€2,850–€7,400	€3,800	Avoid	View
C 180 CGI	M271-EVO	petrol	2011–2014	156 PS	250 Nm	R2	12	€5,900–€14,700	€7,650	Strong buy	View
C 220 CDI	OM651	diesel	2011–2014	170 PS	400 Nm	R3	15	€4,600–€13,100	€6,250	Buy	View
C 320 CDI	OM642	diesel	2011–2011	224 PS	510 Nm	R3	15	€5,250–€15,250	€7,200	Buy w/ conditions	View

Market availability varied by country; check the engine code stamped on the block rather than the badge on the boot. · Compare every engine side by side →

Model-year availability

Which engines were on sale in which year, from the year ranges in the variant records. Availability varied by country.

Variant	07	08	09	10	11	12	13	14
C 180 Kompressor M271-KOMP	●	●	●	●	◐
C 180 CGI M271-EVO					◐	●	●	●
C 220 CDI OM651			◐	●	●	●	●	●
C 320 CDI OM642	●	●	●	●	◐

● full year · ◐ arrives or leaves mid-generation. Years from 2011 in the accent colour are facelift (LCI) cars. Verify the engine code, not the model year.

Rating map, price against risk

Good-buy price plotted against risk level for every standard engine, so the value corner is visible at a glance.

Every standard engine in the chassis, plotted at its good-buy price against its risk level. Cheap and low-risk is the top-left; expensive and fragile is the bottom-right. M cars are excluded, they would stretch the price axis and tell you nothing about the rest.

Buy / strong buy Buy with conditions Caution / avoidLeft is cheaper, up is safer. The top-left corner is where the value is.

Prices across the range

Where the money sits across the whole chassis. Every figure here is an illustrative placeholder, not a sourced market sample.

Every standard engine on one euro axis: the bar spans the 10th to 90th percentile of asking prices, the tick is the median and the green marker is the good-buy figure. AMG cars are excluded; they sit an order of magnitude above the rest.

Cheapest good buy€3,450C 180 Kompressor M271-KOMP

Median good buy€6,600across 4 engines

Dearest good buy€7,650C 180 CGI M271-EVO

Full range€2,600–€15,250P10 to P90

Every standard engine · cheapest first · C 180 CGI M271-EVO highlighted as best value

€5k€10k€15kGood buy

C 180 Kompressor M271-KOMP€3,450 C 220 CDI OM651€5,700 C 320 CDI OM642€6,600 C 180 CGI M271-EVO€7,650

at or under the good buy · good buy · median · bar spans the 10th–90th percentile

Chassis-wide issues, every engine inherits these

Faults recorded against the bodyshell and running gear rather than one engine, so every variant on this page inherits them.

Front control arm bushing wearE9x chassis€300–€700

Knocking over bad surfaces, vague or wandering steering, uneven front tyre wear, steering shimmy under braking. The front lower arm bushings are a known wear item on this chassis and go well before the ball joints.

Check: Drive over a rough road at low speed with the windows down and listen. Check the inside edges of the front tyres for feathering.

SuspensionuniversalDetectable at viewingevidence: documented80–150k km

Run-flat tyres and kerbed or cracked wheelsE9x chassis€150–€900

Harsh ride, vibration at speed, slow punctures. Stiff-sidewall run-flats transmit impacts straight into the rim, and these alloys crack rather than bend.

Check: Inspect the inner rim edge of every wheel for cracks and hairline splits, not just the face for kerbing. Budget for a set of conventional tyres; most owners switch and the ride improves markedly.

SuspensioncommonDetectable at viewingevidence: documented

Corrosion at the rear subframe and arch seamsE9x chassis€300–€2,000

Bubbling at the rear arch lip, scaling on subframe mounting points and rear suspension components. Age plus road salt. This generation isn't a notorious rotter, but nothing from 2005–2013 is immune in a salted market.

Check: Put it on a lift and look at the rear subframe mounting points and the arch lips from behind. Largely a non-issue on cars from southern Europe, a real one on northern and Baltic cars.

Body & corrosionoccasionalDetectable at viewingevidence: documented

Footwell module (FRM) failureE9x chassis€150–€700

Headlights, indicators, windows, wipers and central locking stop working at once, usually right after a battery change or a jump start. The module's memory corrupts when supply voltage dips. It is the single most common electrical failure on this generation.

Check: Test every window, both mirrors, the wipers, all exterior lights and the central locking before you drive. If any cluster of these is dead, this is why.

ElectricalcommonDetectable at viewingevidence: documented

Electronic steering lock failureW204 body€600–€1,400

Key won't turn, no crank, or a car that starts intermittently and then refuses. The electronic steering lock module fails, immobilising the car. It strands rather than degrades.

Check: Can't be checked reliably on a viewing, it fails without warning. Ask whether it has been replaced; a receipt is worth having, and a car that has already had one is lower risk than one that has not.

ElectricaloccasionalNot detectable at viewingevidence: documented80–200k km

Rear shock mount wearE9x chassis€250–€500

Knock from the rear over speed bumps, a hollow thump from the boot area. The rubber mounts perish. On hard-used cars the mount can crack the surrounding turret metal, which is a far bigger job.

Check: Lift the boot floor and look at the top of the shock towers for cracking or a lifted mount. Listen for a knock over bumps.

SuspensioncommonDetectable at viewingevidence: documented100–180k km

xDrive transfer case actuator failureE9x chassis€600–€1,200

Grinding or binding at low-speed full lock, 4x4 warning lights, a shudder when manoeuvring. The actuator motor and the transfer case's internal chain wear, especially on cars run with mismatched tyre sizes.

Check: Full-lock circles in both directions in a car park, slowly, listening for binding. Check all four tyres are the same brand and wear, mismatched tyres destroy these.

DrivetrainoccasionalDetectable at viewingevidence: documented120–220k km

iDrive CCC head unit failureE9x chassis€300–€900

Black screen, rebooting, refusal to read the drive, non-functioning navigation. The early CCC unit's hard drive and mainboard fail with age. Later CIC units are more reliable.

Check: Turn it on and use it for a few minutes: navigation, radio, settings. Reboots during that window are the fault showing itself.

ElectricaloccasionalDetectable at viewingevidence: documented

Coolant expansion tank crackingE9x chassis€120–€250

Coolant smell after a drive, slow unexplained loss of coolant, crusty residue around the tank seams. The plastic tank goes brittle with age and splits, usually at a seam or around the level sensor.

Check: Look at the tank with the engine warm, dried coolant leaves a white or pink crust. Cheap to fix, but it tells you how the car has been maintained.

CoolingcommonDetectable at viewingevidence: documented90–200k km

Unregistered replacement batteryE9x chassis€30–€60

Random electrical faults, warning lights that come and go, a battery that dies again within a year. The car's power management must be told a new battery was fitted. Cheap replacements are routinely fitted without coding, which then overcharges or undercharges the new battery.

Check: Ask when the battery was changed and whether it was registered. A car with a new battery, no registration and a scatter of odd electrical faults usually just needs coding.

ElectricalcommonPartly detectableevidence: documented

Written once against the chassis and shown on every variant page below, so nothing here is repeated 4 times: AMG cars included, since the bodyshell and electronics are shared.

Buying summary

Our read on the chassis, built on the records above rather than added to them.

Two questions decide a W204. On petrol. Is it a pre-facelift M271 with the balance-shaft gear, because that's an engine-out job worth more than the car. On diesel. Is it an early OM651 with the first-generation piezo injectors, because a set costs four figures. A facelift car sidesteps both. The M271 EVO and the revised injectors are the reason the 2011-on cars are worth their premium.

Cheapest and dearest in this chassis

The ends of the range by good-buy price. Useful for sanity-checking anything you're quoted.

Lowest entry price

C 180 Kompressor M271-KOMP : from €2,600, risk 5

C 220 CDI OM651 : from €4,200, risk 3

C 320 CDI OM642 : from €4,800, risk 3

Lowest risk

C 180 CGI M271-EVO : risk 2, good buy at €7,650

C 220 CDI OM651 : risk 3, good buy at €5,700

C 320 CDI OM642 : risk 3, good buy at €6,600