Mercedes C Class T-Model 203K side profile — Mercedes C Class wheel fitment

Mercedes C Class wheel fitment — T-Model 203K

Mercedes C Class wheel fitment at a glance — The Mercedes C Class T-Model 203K (2006–2011) uses a 5x112 bolt pattern, 66.6 mm centre bore, M12x1.5 bolts torqued to ~110 Nm. It accepts ~6.5J–8J wheels at ET22–ET38 front; staggered setups run 8J–11J rear (ET20–ET37).

Overview

The Mercedes-Benz W203 is the second generation of the compact executive car series, introduced in March 2000 with production beginning in March 1999. It succeeded the first-generation W202 and was available as a sedan, station wagon, and liftback body styles. The W203 featured an extended range of engines including inline-four and V6 petrol engines alongside inline-four and -five diesel options, with later models receiving a V6 diesel engine. Notably, this generation saw the introduction of common rail direct fuel injection for diesel variants and variable geometry turbochargers. A six-speed manual gearbox was optional on some models except for the C320 and C32 AMG.

Mercedes C Class wheel fitment

Mercedes C Class wheel fitment for the Mercedes C Class T-Model 203K (2006–2011): the factory PCD, centre bore and bolt spec, then the aftermarket width and offset window we fit to.

Bolt pattern (PCD)5x112
Centre bore66.6 mm
Bolt / threadM12x1.5 (bolts)
Wheel-bolt torque110 Nm
Seat typeradius
Factory setupstaggered
TPMSdirect
Run-flatYes

Aftermarket wheel sizes — read per position:

PositionWidthOffset
Front6.5J–8JET22–ET38
Rear (staggered)8J–11JET20–ET37

As a rule, each extra 1J of width wants roughly +8–10 ET to keep the wheel tucked. The exact offset and any spacer are confirmed by the fit-check.

Browse wheels that fit a Mercedes C Class →Get them fitted (UK)

UK popularity & demand

~340,482 Mercedes C Class licensed on UK roads — top 1% of models by volume.

Based on DfT VEH0124 vehicle-parc data (2025), there are approximately 340,482 Mercedes C Class on UK roads, placing it in the top 1% of car models by volume across our fitment database.

That makes Mercedes C Class wheel fitment a high-demand spec to keep in stock. It is one reason we track it here.

Source: DfT/DVLA licensed-vehicle statistics (VEH0124), matched to the AIWheelTech fitment database.

Engines & drivetrain

VariantEngineFuelPowerDrive
C 3203.2L M112 V6 petrolpetrol231 hpRWD
C 320 4MATIC3.2L M112 V6 petrolpetrol231 hp4Matic
C 220 CDI2.7L OM642 turbo dieseldiesel197 hpRWD
C 240 Kompressor2.4L M111 turbo petrolpetrol197 hpRWD
C 220 CDI 4MATIC2.7L OM642 turbo dieseldiesel197 hp4Matic
C 240 Kompressor 4MATIC2.4L M111 turbo petrolpetrol197 hp4Matic
C 230 Kompressor2.0L M111 turbo petrolpetrol170 hpRWD
C 230 Kompressor 4MATIC2.0L M111 turbo petrolpetrol170 hp4Matic
C 200 CDI2.2L OM642 turbo dieseldiesel156 hpRWD
C 200 Kompressor1.8L M111 turbo petrolpetrol147 hpRWD
C 200 Kompressor 4MATIC1.8L M111 turbo petrolpetrol147 hp4Matic

Performance

VariantPower0–62 mphTop speed
C 200 CDI156 hp8.3 s129 mph
C 220 CDI197 hp7.5 s138 mph
C 200 Kompressor147 hp9.5 s130 mph
C 230 Kompressor170 hp8.5 s140 mph
C 240 Kompressor197 hp8 s145 mph
C 320231 hp7.1 s149 mph
C 220 CDI 4MATIC197 hp7.5 s138 mph
C 200 Kompressor 4MATIC147 hp9.5 s130 mph
C 230 Kompressor 4MATIC170 hp8.5 s140 mph
C 240 Kompressor 4MATIC197 hp8 s145 mph
C 320 4MATIC231 hp7.1 s149 mph

Body styles & production

Body stylesSedan, Station Wagon, Liftback
Produced2006–2011

Trim levels

EleganceAvantgarde

Factory colours

Obsidian Black MetallicDesigno Mysticweiss PearlDesigno Mauritiusblau MetallicDesigno Platinum Black MetallicSchneeweissBlack Opal MetallicBlack Diamond MetallicDesigno Black MetallicBrilliant Emerald MetallicDesigno Silver MetallicDesigno Silber MetallicJade Green MetallicDesigno Chromaflair MetallicChromaflair MetallicMystic Blue PearlDesigno Mocha Black MetallicVaricolor III MetallicJasper Blue MetallicCapri Blue MetallicCashmere Metallic

History & notable variants

The W203 received several updates during its production run, including a facelift in 2005 which introduced new LED taillights, revised dashboard layout, and updated front fascia. The generation also saw the introduction of the SportCoupé variant (CL203) that was later renamed to Mercedes-Benz CLC-Class before being discontinued in 2011.

Reliability & owner notes