2010 MERCEDES-BENZ S-Class M273 V8/M157 V8 Biturbo (W221)

W221 / Sedan / Global including Europe, North America, Asia, and others; some engine options vary by region

M273 V8M157 V8 BiturboOM642 V6 DieselOM651 I4 DieselM156 V8 (S 63 AMG)M275 V12 Biturbo (S 600 AMG)Fiche exacte année/versionSilver

Engine identity

Engine code

M273 V8, M157 V8 Biturbo, OM642 V6 Diesel, OM651 I4 Diesel, M156 V8 (S 63 AMG), M275 V12 Biturbo (S 600 AMG)

Engine summary

Multiple petrol and diesel engines available globally in 2010, including naturally aspirated V8s, turbocharged V8s, inline-4 and V6 diesels, and V12 biturbo for top AMG trims. Engine availability varies by market.

Displacement

3.0L inline-6 diesel (OM642), 4.7L V8 Biturbo (M157), 5.5L V8 (M273), 6.2L V8 (M156 AMG), 6.0L V12 Biturbo (M275 AMG)

Power

Approx. 224 PS (OM642) to 517 PS (AMG variants); varies by engine and market

Torque

Approx. 500 Nm to 830 Nm depending on engine and market

Fuel system

Direct injection (common rail for diesels, gasoline direct injection for petrol)

Timing drive

Chain-driven timing for most engines

Port OBD

Verify by VIN and market

Oils and fluids

Type d’huile

MB 229.31 or MB 229.5 approved synthetic oils depending on engine

Capacité d’huile

Between 8 to 12 liters for service fill depending on engine; typically includes oil filter change

Liquide de refroidissement

Approx. 15 liters (varies with engine and cooling system options)

Fluide

MB-approved ATF (e.g., MB 236.14)

Differential fluid

Specified by Mercedes-Benz; varies with differential type

Liquide de frein

DOT 4 or as per MB specification

Service and parts data

Manual transmission

Not commonly offered; automatic predominates

Automatic transmission

7G-Tronic 7-speed automatic transmission standard on most 2010 models

Spark plugs

Platinum or iridium spark plugs depending on engine

Service interval

Typically 15,000 km or 1 year, depending on market and driving conditions

Dimensions des pneus

Front: 245/45 R18, Rear: 265/40 R18, Options up to 20-inch in some markets

Couple de roue

Verify by VIN and market

Common and chronic problems

Air suspension failures reported on W221 series
Balance shaft issues on some V8 engines
Complex electronics occasionally cause sensor faults

First checks

Air suspension functionality
Engine oil condition and leaks
Transmission fluid condition and shift quality

Avant de remplacer des pièces

Save fault codes and freeze-frame data before clearing anything.
Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.

Important notes

S-Class W221 was produced from 2005 to 2013; 2010 is a mid-cycle year with some updates.
Engine options vary significantly by market due to emissions and taxation regulations.
Oil capacity includes service-fill volume with oil filter replacement.

Codes courants

Source and verification notes

Mercedes-Benz official 2010 S-Class technical manuals and parts catalogs
Independent automotive databases confirm global engine variants and specifications for 2010 W221

Outils compatibles

Verify by VIN and market

Questions fréquentes

What engine code does the 2010 MERCEDES-BENZ S-Class M273 V8/M157 V8 Biturbo (W221) use? 2010 MERCEDES-BENZ S-Class M273 V8/M157 V8 Biturbo (W221) is listed here with engine code M273 V8, M157 V8 Biturbo, OM642 V6 Diesel, OM651 I4 Diesel, M156 V8 (S 63 AMG), M275 V12 Biturbo (S 600 AMG); engine summary: Multiple petrol and diesel engines available globally in 2010, including naturally aspirated V8s, turbocharged V8s, inline-4 and V6 diesels, and V12 biturbo for top AMG trims. Engine availability varies by market..
What oil and capacity does the 2010 MERCEDES-BENZ S-Class M273 V8/M157 V8 Biturbo (W221) use? 2010 MERCEDES-BENZ S-Class M273 V8/M157 V8 Biturbo (W221) is listed with MB 229.31 or MB 229.5 approved synthetic oils depending on engine and oil capacity Between 8 to 12 liters for service fill depending on engine; typically includes oil filter change. Confirm market and engine option before service.
What are common 2010 MERCEDES-BENZ S-Class M273 V8/M157 V8 Biturbo (W221) problems? Highlighted checks for 2010 MERCEDES-BENZ S-Class M273 V8/M157 V8 Biturbo (W221): Air suspension failures reported on W221 series, Balance shaft issues on some V8 engines, Complex electronics occasionally cause sensor faults.

Engine identity

Engine code

M273 V8, M157 V8 Biturbo, OM642 V6 Diesel, OM651 I4 Diesel, M156 V8 (S 63 AMG), M275 V12 Biturbo (S 600 AMG)

Engine summary

Displacement

3.0L inline-6 diesel (OM642), 4.7L V8 Biturbo (M157), 5.5L V8 (M273), 6.2L V8 (M156 AMG), 6.0L V12 Biturbo (M275 AMG)

Power

Approx. 224 PS (OM642) to 517 PS (AMG variants); varies by engine and market

Torque

Approx. 500 Nm to 830 Nm depending on engine and market

Fuel system

Direct injection (common rail for diesels, gasoline direct injection for petrol)

Timing drive

Chain-driven timing for most engines

Port OBD

Verify by VIN and market

Oils and fluids

Type d’huile

MB 229.31 or MB 229.5 approved synthetic oils depending on engine

Capacité d’huile

Between 8 to 12 liters for service fill depending on engine; typically includes oil filter change

Liquide de refroidissement

Approx. 15 liters (varies with engine and cooling system options)

Fluide

MB-approved ATF (e.g., MB 236.14)

Differential fluid

Specified by Mercedes-Benz; varies with differential type

Liquide de frein

DOT 4 or as per MB specification

Service and parts data

Manual transmission

Not commonly offered; automatic predominates

Automatic transmission

7G-Tronic 7-speed automatic transmission standard on most 2010 models

Spark plugs

Platinum or iridium spark plugs depending on engine

Service interval

Typically 15,000 km or 1 year, depending on market and driving conditions

Dimensions des pneus

Front: 245/45 R18, Rear: 265/40 R18, Options up to 20-inch in some markets

Couple de roue

Verify by VIN and market

Questions fréquentes

What engine code does the 2010 MERCEDES-BENZ S-Class M273 V8/M157 V8 Biturbo (W221) use? 2010 MERCEDES-BENZ S-Class M273 V8/M157 V8 Biturbo (W221) is listed here with engine code M273 V8, M157 V8 Biturbo, OM642 V6 Diesel, OM651 I4 Diesel, M156 V8 (S 63 AMG), M275 V12 Biturbo (S 600 AMG); engine summary: Multiple petrol and diesel engines available globally in 2010, including naturally aspirated V8s, turbocharged V8s, inline-4 and V6 diesels, and V12 biturbo for top AMG trims. Engine availability varies by market..

What oil and capacity does the 2010 MERCEDES-BENZ S-Class M273 V8/M157 V8 Biturbo (W221) use? 2010 MERCEDES-BENZ S-Class M273 V8/M157 V8 Biturbo (W221) is listed with MB 229.31 or MB 229.5 approved synthetic oils depending on engine and oil capacity Between 8 to 12 liters for service fill depending on engine; typically includes oil filter change. Confirm market and engine option before service.

What are common 2010 MERCEDES-BENZ S-Class M273 V8/M157 V8 Biturbo (W221) problems? Highlighted checks for 2010 MERCEDES-BENZ S-Class M273 V8/M157 V8 Biturbo (W221): Air suspension failures reported on W221 series, Balance shaft issues on some V8 engines, Complex electronics occasionally cause sensor faults.

2010 MERCEDES-BENZ S-Class M273 V8/M157 V8 Biturbo (W221)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

First checks

Avant de remplacer des pièces

Important notes

Scanning Engine...

2010 MERCEDES-BENZ S-Class M273 V8/M157 V8 Biturbo (W221)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

First checks

Avant de remplacer des pièces

Important notes