1998 MERCEDES-BENZ C-Class M111 E18/M111 E20 (W202)

W202 / Sedan / Wagon / Coupe / Global (Europe, North America, Asia; some variations by region)

M111 E18M111 E20M111 E23M104.990OM604OM603Exakter Jahres-/Varianten-DatensatzGold

Engine identity

Engine code

M111 E18, M111 E20, M111 E23, M104.990, OM604, OM603

Engine summary

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

Displacement

1799-2799 cc

Power

120-193 hp (varies by engine and market)

Torque

160-270 Nm (varies by engine and market)

Fuel system

Multipoint fuel injection (gasoline), indirect injection (diesel)

Timing drive

Chain (gasoline), Gear-driven (diesel engines)

OBD-Port

Verify by VIN and market

Oils and fluids

Öltyp

MB 229.1 approved synthetic or semi-synthetic engine oil

Ölmenge

Approx. 6.5 liters (service fill, includes filter change; confirm per engine code)

Kühlmittel

Approx. 8 liters (varies by engine and body style)

Flüssigkeit

MB approved ATF (Check owner's manual for specific type)

Differential fluid

GL-5 rated gear oil, specification varies by model

Bremsflüssigkeit

DOT 4

Service and parts data

Manual transmission

5-speed manual (varied by market and engine)

Automatic transmission

4-speed automatic (Hydra-Matic 4-speed), some markets 5-speed automatic

Spark plugs

Bosch or equivalent, iridium or copper per engine specs

Service interval

Every 10,000-15,000 km or 1 year, whichever comes first

Reifengrößen

195/65 R15, 205/60 R15, 205/55 R16, 225/45 R17

Radmoment

Verify by VIN and market

Common and chronic problems

Window regulator failures
Electrical grounding and sensor issues
Front suspension wear (control arm bushings)
Rust in wheel wells and lower door panels

First checks

Check service history for timing chain condition
Inspect wiring harnesses for corruption or damage
Check condition of suspension bushings and mounts

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 and transmission options vary across markets (Europe, North America, Asia).
Diesel engines mainly offered in Europe and select other markets; North America mainly gasoline.
Oil capacity may vary slightly based on engine variant and year; always confirm with the vehicle's engine code and factory manual.

Häufige Codes

Source and verification notes

Based on official Mercedes-Benz W202 technical documentation and global market data for 1998 models.
Corroborated with enthusiast and repair databases including MBWorld and official Mercedes-Benz service manuals.

Kompatible Werkzeuge

Verify by VIN and market

Häufige Fragen

What engine code does the 1998 MERCEDES-BENZ C-Class M111 E18/M111 E20 (W202) use? 1998 MERCEDES-BENZ C-Class M111 E18/M111 E20 (W202) is listed here with engine code M111 E18, M111 E20, M111 E23, M104.990, OM604, OM603; engine summary: 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.
What oil and capacity does the 1998 MERCEDES-BENZ C-Class M111 E18/M111 E20 (W202) use? 1998 MERCEDES-BENZ C-Class M111 E18/M111 E20 (W202) is listed with MB 229.1 approved synthetic or semi-synthetic engine oil and oil capacity Approx. 6.5 liters (service fill, includes filter change; confirm per engine code). Confirm market and engine option before service.
What are common 1998 MERCEDES-BENZ C-Class M111 E18/M111 E20 (W202) problems? Highlighted checks for 1998 MERCEDES-BENZ C-Class M111 E18/M111 E20 (W202): Window regulator failures, Electrical grounding and sensor issues, Front suspension wear (control arm bushings), Rust in wheel wells and lower door panels.

Engine identity

Engine code

M111 E18, M111 E20, M111 E23, M104.990, OM604, OM603

Engine summary

Displacement

1799-2799 cc

Power

120-193 hp (varies by engine and market)

Torque

160-270 Nm (varies by engine and market)

Fuel system

Multipoint fuel injection (gasoline), indirect injection (diesel)

Timing drive

Chain (gasoline), Gear-driven (diesel engines)

OBD-Port

Verify by VIN and market

Oils and fluids

Öltyp

MB 229.1 approved synthetic or semi-synthetic engine oil

Ölmenge

Approx. 6.5 liters (service fill, includes filter change; confirm per engine code)

Kühlmittel

Approx. 8 liters (varies by engine and body style)

Flüssigkeit

MB approved ATF (Check owner's manual for specific type)

Differential fluid

GL-5 rated gear oil, specification varies by model

Bremsflüssigkeit

DOT 4

Service and parts data

Manual transmission

5-speed manual (varied by market and engine)

Automatic transmission

4-speed automatic (Hydra-Matic 4-speed), some markets 5-speed automatic

Spark plugs

Bosch or equivalent, iridium or copper per engine specs

Service interval

Every 10,000-15,000 km or 1 year, whichever comes first

Reifengrößen

195/65 R15, 205/60 R15, 205/55 R16, 225/45 R17

Radmoment

Verify by VIN and market

Important notes

Engine and transmission options vary across markets (Europe, North America, Asia).

Diesel engines mainly offered in Europe and select other markets; North America mainly gasoline.

Oil capacity may vary slightly based on engine variant and year; always confirm with the vehicle's engine code and factory manual.

Häufige Fragen

What engine code does the 1998 MERCEDES-BENZ C-Class M111 E18/M111 E20 (W202) use? 1998 MERCEDES-BENZ C-Class M111 E18/M111 E20 (W202) is listed here with engine code M111 E18, M111 E20, M111 E23, M104.990, OM604, OM603; engine summary: 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.

What oil and capacity does the 1998 MERCEDES-BENZ C-Class M111 E18/M111 E20 (W202) use? 1998 MERCEDES-BENZ C-Class M111 E18/M111 E20 (W202) is listed with MB 229.1 approved synthetic or semi-synthetic engine oil and oil capacity Approx. 6.5 liters (service fill, includes filter change; confirm per engine code). Confirm market and engine option before service.

What are common 1998 MERCEDES-BENZ C-Class M111 E18/M111 E20 (W202) problems? Highlighted checks for 1998 MERCEDES-BENZ C-Class M111 E18/M111 E20 (W202): Window regulator failures, Electrical grounding and sensor issues, Front suspension wear (control arm bushings), Rust in wheel wells and lower door panels.

1998 MERCEDES-BENZ C-Class M111 E18/M111 E20 (W202)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

First checks

Vor dem Teiletausch

Important notes

Scanning Engine...

1998 MERCEDES-BENZ C-Class M111 E18/M111 E20 (W202)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

First checks

Vor dem Teiletausch

Important notes