MERCEDES-BENZ C-Class
W202 / W203 / W204 / W205 / 1996-2024 / Sedan / Sedan / Wagon / Coupe / Sedan / Wagon (market dependent) / Sedan / Station Wagon
Year and trim selector
Choose the exact year and trim to see engine, oil and service details.
1996 MERCEDES-BENZ C-Class M111.940/M111.945 (W202)
W202 / M111.940, M111.945, OM605, OM604, M111.973, M104.995, M119.975 / 1996 Mercedes-Benz C-Class W202 featured a range of inline-4, inline-6 petrol engines and 4-cylinder diesel engines, market-dependent. Petrol engines included 1.8L M111 variants and 2.8L M104 and 4.2L V8 M119. Diesel engines included 2.0L OM604 and 2.5L OM605 units. Power output and equipment varied by market and engine choice.
1998 MERCEDES-BENZ C-Class M111 E18/M111 E20 (W202)
W202 / M111 E18, M111 E20, M111 E23, M104.990, OM604, OM603 / Range of inline-4 and inline-6 gas engines and inline-4 and inline-5 diesels; gasoline engines from 1.8L I4 to 2.8L I6; diesels mostly 2.0L, 2.5L and 3.0L inline-4 or inline-5; regional availability varies
2001 MERCEDES-BENZ C-Class M111 E20 (2.0L I4 petrol)/M112 E24 (2.4L V6 petrol) (W203)
W203 / M111 E20 (2.0L I4 petrol), M112 E24 (2.4L V6 petrol), OM611 (2.2L I4 diesel), OM646 (2.2L I4 diesel, introduced late 2001 in some markets) / Range of inline-4 and V6 petrol engines, plus inline-4 diesel engines depending on market. Petrol engines featured multipoint fuel injection, diesels used common-rail direct injection from 2001 launch in select markets.
2002 MERCEDES-BENZ C-Class M111 E20/M112 E24 (W203)
W203 / M111 E20, M112 E24, OM611 DE22 LA, M271 E18 / Varies by market; includes 2.0L I4 (M111), 2.4L V6 (M112), 2.2L I4 Diesel (OM611), and 1.8L I4 Supercharged (M271)
2005 MERCEDES-BENZ C-Class M271 DE18 LA/M272 E25 (W203)
W203 / M271 DE18 LA, M272 E25, OM611 DE22 LA, OM646 DE22 LA / The 2005 C-Class W203 featured a range of inline-4 and V6 petrol engines, plus 4-cylinder diesels in many markets. Engine availability varied notably depending on region, with petrol V6s common in North America and diesels prominent in Europe.
2006 MERCEDES-BENZ C-Class M271 E18 (1.8L I4 Kompressor)/M112 E26 (2.6L V6, North America, some European markets) (W203)
W203 / M271 E18 (1.8L I4 Kompressor), M112 E26 (2.6L V6, North America, some European markets), M272 E25/E30 (2.5L/3.0L V6, Europe, some other markets), OM646 DE22 LA (2.2L 4-cyl diesel, Europe and selected markets) / Range includes 1.8L supercharged inline-4, naturally aspirated 2.6L and 3.0L V6 petrol engines, and 2.2L inline-4 turbo diesel. Engine availability and specs vary by market and model variant.
2008 MERCEDES-BENZ C-Class M271 DE18 AL (1.8L I4 supercharged, C200 Kompressor)/M272 E25 (2.5L V6, C280, some markets) (W204)
W204 / M271 DE18 AL (1.8L I4 supercharged, C200 Kompressor), M272 E25 (2.5L V6, C280, some markets), M273 E35 (3.5L V6, C350), OM646 DE22 LA (2.2L I4 diesel, C220 CDI), OM651 DE22 LA (2.2L I4 diesel, introduced in later 2008 model year for some markets) / Gasoline and diesel inline-4 and V6 engines, with variations by market; supercharged 1.8L four-cylinder and naturally aspirated 2.5L and 3.5L V6 gasoline engines; 2.2L inline-4 common-rail turbo diesel engines in European and select markets.
2009 MERCEDES-BENZ C-Class M271 DE18LA (1.8L I4 Kompressor)/M272 E25 (2.5L V6) (W204)
W204 / M271 DE18LA (1.8L I4 Kompressor), M272 E25 (2.5L V6), M272 E35 (3.5L V6), OM646 DE22 LA (2.2L I4 Turbo Diesel), OM651 (2.1L I4 Turbo Diesel) / The 2009 W204 C-Class features multiple engines across markets including naturally aspirated and supercharged 4-cylinder and V6 petrol engines plus turbocharged diesel inline-4s. Engine availability varies by region and emission standards.
2012 MERCEDES-BENZ C-Class M271 DE18 LA (1.8L I4 supercharged petrol)/M272 DE35 (3.5L V6 petrol) (W204)
W204 / M271 DE18 LA (1.8L I4 supercharged petrol), M272 DE35 (3.5L V6 petrol), OM651 (2.2L I4 turbo diesel), OM642 (3.0L V6 turbo diesel) / Varied inline-4 and V6 petrol and diesel engines; petrol supercharged or naturally aspirated, diesels turbocharged. Market dependent availability.
2013 MERCEDES-BENZ C-Class M271 DE18 LA (1.8L I4 turbo, Europe/Asia)/M274 DE20 LA (2.0L I4 turbo, North America, Europe) (W204)
W204 / M271 DE18 LA (1.8L I4 turbo, Europe/Asia), M274 DE20 LA (2.0L I4 turbo, North America, Europe), M157 (5.5L V8 AMG, select markets), OM651 (2.1L I4 diesel, Europe, some global), OM654 (2.0L I4 diesel, introduced in 2013 in some markets) / The 2013 W204 C-Class included multiple engines globally: 1.8-2.0L turbocharged inline-4 gasoline engines (M271, M274), diesel inline-4s (OM651 & updated OM654 mid-year in Europe), and AMG V8 variants (M157) in select markets. Engine availability varies by market and specific model variant.
2014 MERCEDES-BENZ C-Class M274 DE20 LA/M276 DE30 LA (W205)
W205 / M274 DE20 LA, M276 DE30 LA, OM651, OM654 / Various inline-4 gasoline (M274), V6 gasoline (M276), and inline-4 diesel engines (OM651, OM654) depending on market and emission standards.
2015 MERCEDES-BENZ C-Class M274 DE20 LA/M276 DE35 LA (W205)
W205 / M274 DE20 LA, M276 DE35 LA, OM651, M270 DE16 LA / Range of inline-4 and V6 gasoline engines, plus 4-cylinder diesel engines, all turbocharged with direct injection. Variants depend on market and fuel type availability.
2016 MERCEDES-BENZ C-Class M274 DE 20 AL/M274 DE 25 AL (W205)
W205 / M274 DE 20 AL, M274 DE 25 AL, OM651 DE 22 LA, M264 E15 DEH LA / Range of 4-cylinder petrol and diesel engines including turbocharged M274 petrol and OM651 diesel units, with output and configuration varying by market.
2017 MERCEDES-BENZ C-Class M274 DE16 LA/M274 DE20 LA (W205)
W205 / M274 DE16 LA, M274 DE20 LA, OM654, M264, OM651 / 2017 Mercedes-Benz C-Class W205 featured various inline-4 gasoline and diesel engines. Gasoline engines range from 1.6L turbocharged inline-4 (M274 DE16 LA), 2.0L turbo inline-4 (M274 DE20 LA and M264), to diesel inline-4 2.0L (OM654 and OM651). Engine availability differs by market, with diesel engines mostly in Europe and gasoline dominant in North America.
2020 MERCEDES-BENZ C-Class M264 (1.5L I4 turbo, mild hybrid – some markets)/M274 (2.0L I4 turbo) (W205)
W205 / M264 (1.5L I4 turbo, mild hybrid – some markets), M274 (2.0L I4 turbo), OM654 (2.0L diesel I4 turbo, Europe and select markets), M176 (4.0L V8 biturbo – AMG C63 models, limited markets) / Range includes 1.5L mild hybrid I4, 2.0L turbo I4, diesel turbo I4 in Europe, and AMG 4.0L V8 biturbo on performance trims.
2024 MERCEDES-BENZ C-Class M254 E20 DEH LA (1.5L inline-4 mild hybrid)/M264 E15 DEH LA (1.5L inline-4 turbo mild hybrid) (W206)
W206 / M254 E20 DEH LA (1.5L inline-4 mild hybrid), M264 E15 DEH LA (1.5L inline-4 turbo mild hybrid), M264 E20 DEH LA (2.0L inline-4 turbo mild hybrid), M139 E35 DEH LA (2.0L inline-4 turbo high-performance AMG), M256 E30 DEH LA (3.0L inline-6 mild hybrid), OM656 (3.0L inline-6 diesel mild hybrid), OM654 (2.0L inline-4 diesel mild hybrid) / Range of 4-cylinder and 6-cylinder petrol and diesel engines with mild hybrid technology, including inline-4 turbocharged petrol engines with integrated starter-generator and a 48V system, inline-6 mild hybrids with electric supercharger, and AMG-specific high-output variants. Diesel engines feature mild hybrid 48V systems for efficiency.
Engine codes by year
| Year | Trim | Engine codes | Displacement | Fuel system |
|---|---|---|---|---|
| 1996 | technical-profile | M111.940, M111.945, OM605, OM604, M111.973, M104.995, M119.975 | 1.8L to 4.2L (varies with engine code) | Multi-point fuel injection for petrol; direct injection for diesel |
| 1998 | technical-profile | M111 E18, M111 E20, M111 E23, M104.990, OM604, OM603 | 1799-2799 cc | Multipoint fuel injection (gasoline), indirect injection (diesel) |
| 2001 | technical-profile | M111 E20 (2.0L I4 petrol), M112 E24 (2.4L V6 petrol), OM611 (2.2L I4 diesel), OM646 (2.2L I4 diesel, introduced late 2001 in some markets) | 1998 cc to 2799 cc depending on engine | Petrol: multipoint fuel injection; Diesel: common-rail direct injection |
| 2002 | technical-profile | M111 E20, M112 E24, OM611 DE22 LA, M271 E18 | 1998-2399 cc (gasoline), 2148 cc (diesel) | Multi-point fuel injection (gasoline), common rail direct injection (diesel) |
| 2005 | technical-profile | M271 DE18 LA, M272 E25, OM611 DE22 LA, OM646 DE22 LA | 1796cc (M271), 2496cc (M272), 2148cc diesel (OM611), 2148cc diesel (OM646) | Direct and multipoint fuel injection depending on engine |
| 2006 | technical-profile | M271 E18 (1.8L I4 Kompressor), M112 E26 (2.6L V6, North America, some European markets), M272 E25/E30 (2.5L/3.0L V6, Europe, some other markets), OM646 DE22 LA (2.2L 4-cyl diesel, Europe and selected markets) | 1796cc to 2996cc depending on engine | Electronic fuel injection |
| 2008 | technical-profile | M271 DE18 AL (1.8L I4 supercharged, C200 Kompressor), M272 E25 (2.5L V6, C280, some markets), M273 E35 (3.5L V6, C350), OM646 DE22 LA (2.2L I4 diesel, C220 CDI), OM651 DE22 LA (2.2L I4 diesel, introduced in later 2008 model year for some markets) | 1796 cc to 3498 cc depending on engine | Direct fuel injection with multi-point injection for gasoline; common rail direct injection for diesel |
| 2009 | technical-profile | M271 DE18LA (1.8L I4 Kompressor), M272 E25 (2.5L V6), M272 E35 (3.5L V6), OM646 DE22 LA (2.2L I4 Turbo Diesel), OM651 (2.1L I4 Turbo Diesel) | 1.8L to 3.5L petrol and 2.1L to 2.2L diesel | Multi-point fuel injection (petrol), common rail direct injection (diesel) |
| 2012 | technical-profile | M271 DE18 LA (1.8L I4 supercharged petrol), M272 DE35 (3.5L V6 petrol), OM651 (2.2L I4 turbo diesel), OM642 (3.0L V6 turbo diesel) | 1.8L - 3.5L (petrol) / 2.2L - 3.0L (diesel) | Fuel injection with direct injection on petrol engines; common rail turbo diesel |
| 2013 | technical-profile | M271 DE18 LA (1.8L I4 turbo, Europe/Asia), M274 DE20 LA (2.0L I4 turbo, North America, Europe), M157 (5.5L V8 AMG, select markets), OM651 (2.1L I4 diesel, Europe, some global), OM654 (2.0L I4 diesel, introduced in 2013 in some markets) | 1.8L to 5.5L depending on engine | Direct injection, turbocharged on petrol and diesel engines |
| 2014 | technical-profile | M274 DE20 LA, M276 DE30 LA, OM651, OM654 | 1.6L to 3.0L depending on engine variant | Direct injection gasoline and common rail diesel |
| 2015 | technical-profile | M274 DE20 LA, M276 DE35 LA, OM651, M270 DE16 LA | 1.6L to 3.5L | Turbocharged direct injection gasoline and common rail turbo diesel injections |
| 2016 | technical-profile | M274 DE 20 AL, M274 DE 25 AL, OM651 DE 22 LA, M264 E15 DEH LA | 1.5L to 2.0L (petrol and diesel variants) | Direct injection, turbocharged (petrol and diesel variants) |
| 2017 | technical-profile | M274 DE16 LA, M274 DE20 LA, OM654, M264, OM651 | 1595 - 1991 cc | Turbocharged direct injection (gasoline & diesel variations) |
| 2020 | technical-profile | M264 (1.5L I4 turbo, mild hybrid – some markets), M274 (2.0L I4 turbo), OM654 (2.0L diesel I4 turbo, Europe and select markets), M176 (4.0L V8 biturbo – AMG C63 models, limited markets) | 1496cc to 3982cc depending on engine | Direct injection with turbocharging; mild hybrid electric assist on some engines |
| 2024 | technical-profile | M254 E20 DEH LA (1.5L inline-4 mild hybrid), M264 E15 DEH LA (1.5L inline-4 turbo mild hybrid), M264 E20 DEH LA (2.0L inline-4 turbo mild hybrid), M139 E35 DEH LA (2.0L inline-4 turbo high-performance AMG), M256 E30 DEH LA (3.0L inline-6 mild hybrid), OM656 (3.0L inline-6 diesel mild hybrid), OM654 (2.0L inline-4 diesel mild hybrid) | 1496 cc to 2999 cc depending on engine | Direct fuel injection with turbocharging on petrol engines, common rail injection on diesel |
Oil capacity by engine
| Year | Engine codes | Oil type | Oil capacity | Fluid |
|---|---|---|---|---|
| 1996 | M111.940, M111.945, OM605, OM604, M111.973, M104.995, M119.975 | Mercedes-Benz MB 229.1 approved synthetic engine oil | Approx. 6.5L including filter - service fill, includes oil filter change | MB 236.1 / MB 236.2 approved fluid |
| 1998 | M111 E18, M111 E20, M111 E23, M104.990, OM604, OM603 | MB 229.1 approved synthetic or semi-synthetic engine oil | Approx. 6.5 liters (service fill, includes filter change; confirm per engine code) | MB approved ATF (Check owner's manual for specific type) |
| 2001 | M111 E20 (2.0L I4 petrol), M112 E24 (2.4L V6 petrol), OM611 (2.2L I4 diesel), OM646 (2.2L I4 diesel, introduced late 2001 in some markets) | MB-approved 5W-40 synthetic or equivalent | Approx. 6.5 liters (service-fill with filter change, varies by engine) | MB specification fluid (specific type depends on gearbox model) |
| 2002 | M111 E20, M112 E24, OM611 DE22 LA, M271 E18 | API SL/SM or ACEA A3/B3 grade synthetic or semi-synthetic oil meeting MB 229.1/229.3 | Approximately 6.5 liters service-fill including oil filter replacement (varies by engine) | MB-approved ATF (e.g. MB 236.1, 236.5) |
| 2005 | M271 DE18 LA, M272 E25, OM611 DE22 LA, OM646 DE22 LA | MB Approval 229.5 synthetic motor oil recommended | Approximately 6.5L including filter; service-fill recommended, replace oil filter with every oil change | MB 236.10 for 5G-Tronic transmission |
| 2006 | M271 E18 (1.8L I4 Kompressor), M112 E26 (2.6L V6, North America, some European markets), M272 E25/E30 (2.5L/3.0L V6, Europe, some other markets), OM646 DE22 LA (2.2L 4-cyl diesel, Europe and selected markets) | MB 229.5 approved synthetic SAE 5W-40 recommended | Approx. 6.5L service fill including filter (variation by engine; check engine-specific manuals) | MB specification ATF approved fluid, e.g., MB 236.14 for 7G-Tronic |
| 2008 | M271 DE18 AL (1.8L I4 supercharged, C200 Kompressor), M272 E25 (2.5L V6, C280, some markets), M273 E35 (3.5L V6, C350), OM646 DE22 LA (2.2L I4 diesel, C220 CDI), OM651 DE22 LA (2.2L I4 diesel, introduced in later 2008 model year for some markets) | MB 229.5 approved synthetic engine oil | Approximately 6.5 liters service-fill including filter change (varies by engine) | MB-approved automatic transmission fluid (e.g., MB 236.14 for 7G-Tronic) |
| 2009 | M271 DE18LA (1.8L I4 Kompressor), M272 E25 (2.5L V6), M272 E35 (3.5L V6), OM646 DE22 LA (2.2L I4 Turbo Diesel), OM651 (2.1L I4 Turbo Diesel) | MB 229.5 or MB 229.3 synthetic motor oil depending on engine | Approx. 6.5 liters service fill including filter change (varies by engine) | MB-approved automatic transmission fluid MB236.14 (7G-Tronic) |
| 2012 | M271 DE18 LA (1.8L I4 supercharged petrol), M272 DE35 (3.5L V6 petrol), OM651 (2.2L I4 turbo diesel), OM642 (3.0L V6 turbo diesel) | Fully synthetic 5W-40 or 5W-30 meeting MB 229.5 or MB 229.51 specification | Approx 6.5 liters (service-fill including oil filter change, varies by engine) | MB 236.14 automatic transmission fluid for 7G-TRONIC |
| 2013 | M271 DE18 LA (1.8L I4 turbo, Europe/Asia), M274 DE20 LA (2.0L I4 turbo, North America, Europe), M157 (5.5L V8 AMG, select markets), OM651 (2.1L I4 diesel, Europe, some global), OM654 (2.0L I4 diesel, introduced in 2013 in some markets) | Mercedes-Benz approved synthetic 5W-40 or 0W-40 engine oil | Approx. 6.5L service fill including filter (varies by engine code) | MB 236.14 specification for 7G-TRONIC |
| 2014 | M274 DE20 LA, M276 DE30 LA, OM651, OM654 | MB 229.51 or MB 229.52 synthetic motor oil (engine-specific) | Approximately 7.5 liters (service fill including filter change for M274 engine; varies by engine) | MB 236.14 or MB 236.15 (ATF) depending on transmission |
| 2015 | M274 DE20 LA, M276 DE35 LA, OM651, M270 DE16 LA | MB 229.5 or MB 229.51 grade fully synthetic motor oil recommended | Approx. 7.5 liters service fill with oil filter change (varies by engine; verify specific engine code) | MB 236.15 or MB 236.12 rated fluid as per transmission type |
| 2016 | M274 DE 20 AL, M274 DE 25 AL, OM651 DE 22 LA, M264 E15 DEH LA | Mercedes-Benz MB 229.5 or 229.52 approved synthetic motor oil | Approximately 6.5 liters with filter change (service fill includes filter replacement) | MB 236.14 approved synthetic ATF |
| 2017 | M274 DE16 LA, M274 DE20 LA, OM654, M264, OM651 | Mercedes-Benz MB 229.5 or MB 229.51 synthetic motor oil | 6.5 liters (engine oil service fill, includes oil filter change note) | MB 236.15 (7G-TRONIC) or MB 236.14 (9G-TRONIC) |
| 2020 | M264 (1.5L I4 turbo, mild hybrid – some markets), M274 (2.0L I4 turbo), OM654 (2.0L diesel I4 turbo, Europe and select markets), M176 (4.0L V8 biturbo – AMG C63 models, limited markets) | Mercedes-Benz approved synthetic 5W-40 or 0W-40 motor oil | Approx. 6.5 liters (engine oil service fill, varies by engine); specific filter replacements per service | MB ATF 134 recommended |
| 2024 | M254 E20 DEH LA (1.5L inline-4 mild hybrid), M264 E15 DEH LA (1.5L inline-4 turbo mild hybrid), M264 E20 DEH LA (2.0L inline-4 turbo mild hybrid), M139 E35 DEH LA (2.0L inline-4 turbo high-performance AMG), M256 E30 DEH LA (3.0L inline-6 mild hybrid), OM656 (3.0L inline-6 diesel mild hybrid), OM654 (2.0L inline-4 diesel mild hybrid) | Mercedes-Benz-approved synthetic 229.5 or 229.51 specification oil | Approx. 6.5 liters service fill including oil filter replacement (varies by engine) | Mercedes-Benz 236.15 or equivalent synthetic ATF |
Technical specifications
- Engines: M111.940, M111.945, OM605, OM604, M111.973, M104.995, M119.975, M111 E18, M111 E20, M111 E23, M104.990, OM603
- Transmissions: 5-speed manual (available on select petrol and diesel engines), 4-speed or 5-speed automatic (market dependent), MB 236.1 / MB 236.2 approved fluid, 5-speed manual (varied by market and engine), 4-speed automatic (Hydra-Matic 4-speed), some markets 5-speed automatic, MB approved ATF (Check owner's manual for specific type), 5-speed manual (depending on market and engine), 4-speed automatic or 5-speed automatic (depending on engine and market)
- Tire sizes: 195/65 R15, 205/60 R15, 205/55 R16, 225/45 R17, 225/45 R17 (depending on model and market), 245/40 R17, varies by trim and market, 235/40 R18, 225/40 R18, 205/55R16
- Bolt pattern: Verify by exact trim and wheel package
- Wheel torque: Verify by VIN and wheel package
- Battery: Verify by engine, market and equipment package
Fluids and service data
- Engine oil: Mercedes-Benz MB 229.1 approved synthetic engine oil / MB 229.1 approved synthetic or semi-synthetic engine oil / MB-approved 5W-40 synthetic or equivalent / API SL/SM or ACEA A3/B3 grade synthetic or semi-synthetic oil meeting MB 229.1/229.3
- Transmission fluid: MB 236.1 / MB 236.2 approved fluid / MB approved ATF (Check owner's manual for specific type) / MB specification fluid (specific type depends on gearbox model) / MB-approved ATF (e.g. MB 236.1, 236.5)
- Coolant: Approx. 8L (varies slightly with engine) / Approx. 8 liters (varies by engine and body style) / Approx. 8 liters / Approx. 9 liters
- Brake fluid: DOT 4 / DOT4 recommended / DOT 4 high-performance brake fluid recommended / Dot 4
Known problems
- Rust in wheel arches and underbody
- Suspension wear around front control arm bushings
- Electronic window regulator failures
- Rear axle differential fluid leaks (diesel engines)
- Window regulator failures
- Electrical grounding and sensor issues
- Front suspension wear (control arm bushings)
- Rust in wheel wells and lower door panels
- Electrical gremlins in early W203 units
- Rust concerns in certain climates
- Rear subframe corrosion in colder climates
- Electrical issues with climate control