2003 MERCEDES-BENZ S-Class M113 E55 (S55 AMG)/M113 E50 (W220)

W220 / Sedan / Global (mainly Europe, North America, Japan)

M113 E55 (S55 AMG)M113 E50M112 E32OM613OM628OM628 DE46 LA (S 320 CDI)Exakter Jahres-/Varianten-DatensatzGold

Engine identity

Engine code

M113 E55 (S55 AMG), M113 E50, M112 E32, OM613, OM628, OM628 DE46 LA (S 320 CDI)

Engine summary

2003 W220 S-Class engines included V8 petrol (5.0L M113 E50, 5.5L M113 E55 AMG), V6 petrol (3.2L M112 E32), and inline-6 diesel (3.2L OM613), plus V8 diesel (4.6L OM628) in some markets. AMG models used the M113 E55 tuned.

Displacement

3.2L to 5.5L petrol V6/V8, 3.2L and 4.6L diesel inline-6 and V8

Power

204 hp (S 320 CDI inline-6 diesel) up to 367 hp (S 55 AMG)

Torque

510 Nm (S 320 CDI) to 530 Nm (S 55 AMG)

Fuel system

Multi-point electronic fuel injection (petrol), common rail direct injection (diesel)

Timing drive

Chain-driven camshafts

OBD-Port

Verify by VIN and market

Oils and fluids

Öltyp

Mercedes-Benz approved 5W-40 synthetic motor oil

Ölmenge

Approx. 8.5 liters including filter; service fill capacity varies. Change oil filter with every oil change.

Kühlmittel

Approximately 12 liters depending on engine variant

Flüssigkeit

Mercedes-Benz ATF, specification MB 236.5

Differential fluid

Hypoid gear oil, per Mercedes-Benz specs

Bremsflüssigkeit

DOT 4, replace every 2 years

Service and parts data

Manual transmission

Not offered in this generation

Automatic transmission

5-speed automatic (5G-Tronic W5A580) standard across petrol and diesel variants

Spark plugs

Iridium spark plugs recommended; gap and part depend on engine code

Service interval

Approximately 15,000 km or 1 year, whichever comes first

Reifengrößen

Front: 225/55R16 to 245/45R17, Rear: 225/55R16 to 245/45R17 - varies by model and market

Radmoment

Verify by VIN and market

Common and chronic problems

Airmatic air suspension failures common after ~100k km
Electrical faults in early 2000s models
Rust uncommon but inspect wheel wells and underbody

First checks

Check condition of Airmatic components
Inspect transmission fluid level and condition
Review service history for oil and filter changes

Vor dem Teiletausch

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

Engine variants and availability varied by market due to emissions regulations.
Technical data mostly aligned across Europe, North America, and Japan with minor tuning differences.

Häufige Codes

Source and verification notes

Mercedes-Benz official 2003 W220 S-Class technical brochures
Independent automotive workshop manuals and verified owner service documentation

Kompatible Werkzeuge

Verify by VIN and market

Häufige Fragen

What engine code does the 2003 MERCEDES-BENZ S-Class M113 E55 (S55 AMG)/M113 E50 (W220) use? 2003 MERCEDES-BENZ S-Class M113 E55 (S55 AMG)/M113 E50 (W220) is listed here with engine code M113 E55 (S55 AMG), M113 E50, M112 E32, OM613, OM628, OM628 DE46 LA (S 320 CDI); engine summary: 2003 W220 S-Class engines included V8 petrol (5.0L M113 E50, 5.5L M113 E55 AMG), V6 petrol (3.2L M112 E32), and inline-6 diesel (3.2L OM613), plus V8 diesel (4.6L OM628) in some markets. AMG models used the M113 E55 tuned..
What oil and capacity does the 2003 MERCEDES-BENZ S-Class M113 E55 (S55 AMG)/M113 E50 (W220) use? 2003 MERCEDES-BENZ S-Class M113 E55 (S55 AMG)/M113 E50 (W220) is listed with Mercedes-Benz approved 5W-40 synthetic motor oil and oil capacity Approx. 8.5 liters including filter; service fill capacity varies. Change oil filter with every oil change.. Confirm market and engine option before service.
What are common 2003 MERCEDES-BENZ S-Class M113 E55 (S55 AMG)/M113 E50 (W220) problems? Highlighted checks for 2003 MERCEDES-BENZ S-Class M113 E55 (S55 AMG)/M113 E50 (W220): Airmatic air suspension failures common after ~100k km, Electrical faults in early 2000s models, Rust uncommon but inspect wheel wells and underbody.

Engine identity

Engine code

M113 E55 (S55 AMG), M113 E50, M112 E32, OM613, OM628, OM628 DE46 LA (S 320 CDI)

Engine summary

Displacement

3.2L to 5.5L petrol V6/V8, 3.2L and 4.6L diesel inline-6 and V8

Power

204 hp (S 320 CDI inline-6 diesel) up to 367 hp (S 55 AMG)

Torque

510 Nm (S 320 CDI) to 530 Nm (S 55 AMG)

Fuel system

Multi-point electronic fuel injection (petrol), common rail direct injection (diesel)

Timing drive

Chain-driven camshafts

OBD-Port

Verify by VIN and market

Oils and fluids

Öltyp

Mercedes-Benz approved 5W-40 synthetic motor oil

Ölmenge

Approx. 8.5 liters including filter; service fill capacity varies. Change oil filter with every oil change.

Kühlmittel

Approximately 12 liters depending on engine variant

Flüssigkeit

Mercedes-Benz ATF, specification MB 236.5

Differential fluid

Hypoid gear oil, per Mercedes-Benz specs

Bremsflüssigkeit

DOT 4, replace every 2 years

Service and parts data

Manual transmission

Not offered in this generation

Automatic transmission

5-speed automatic (5G-Tronic W5A580) standard across petrol and diesel variants

Spark plugs

Iridium spark plugs recommended; gap and part depend on engine code

Service interval

Approximately 15,000 km or 1 year, whichever comes first

Reifengrößen

Front: 225/55R16 to 245/45R17, Rear: 225/55R16 to 245/45R17 - varies by model and market

Radmoment

Verify by VIN and market

Häufige Fragen

What engine code does the 2003 MERCEDES-BENZ S-Class M113 E55 (S55 AMG)/M113 E50 (W220) use? 2003 MERCEDES-BENZ S-Class M113 E55 (S55 AMG)/M113 E50 (W220) is listed here with engine code M113 E55 (S55 AMG), M113 E50, M112 E32, OM613, OM628, OM628 DE46 LA (S 320 CDI); engine summary: 2003 W220 S-Class engines included V8 petrol (5.0L M113 E50, 5.5L M113 E55 AMG), V6 petrol (3.2L M112 E32), and inline-6 diesel (3.2L OM613), plus V8 diesel (4.6L OM628) in some markets. AMG models used the M113 E55 tuned..

What oil and capacity does the 2003 MERCEDES-BENZ S-Class M113 E55 (S55 AMG)/M113 E50 (W220) use? 2003 MERCEDES-BENZ S-Class M113 E55 (S55 AMG)/M113 E50 (W220) is listed with Mercedes-Benz approved 5W-40 synthetic motor oil and oil capacity Approx. 8.5 liters including filter; service fill capacity varies. Change oil filter with every oil change.. Confirm market and engine option before service.

What are common 2003 MERCEDES-BENZ S-Class M113 E55 (S55 AMG)/M113 E50 (W220) problems? Highlighted checks for 2003 MERCEDES-BENZ S-Class M113 E55 (S55 AMG)/M113 E50 (W220): Airmatic air suspension failures common after ~100k km, Electrical faults in early 2000s models, Rust uncommon but inspect wheel wells and underbody.

2003 MERCEDES-BENZ S-Class M113 E55 (S55 AMG)/M113 E50 (W220)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

First checks

Vor dem Teiletausch

Important notes

Scanning Engine...

2003 MERCEDES-BENZ S-Class M113 E55 (S55 AMG)/M113 E50 (W220)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

First checks

Vor dem Teiletausch

Important notes