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Mercedes-Benz E-Class W124 260 E 4Matic (2599ccm) 1987-1991


Service Repair Manual

Year1987-1991
Engine code103.943
Engine size2599ccm
Power122kw
Idle speed600-800rpm
Compression9-12bar
Minimum compression7.5bar
Fuel systemBosch KE-Jetronic
Firing order1-5-3-6-2-4
Electrode gap0.8mm
CO0.5-1.5%
CO Catalyst0.5%
CO213.0-16.0%
CO2 Catalyst14.5-16.0%
HC300ppm
HC Catalyst100ppm
O20.5-2.0%
O2 Catalyst0.1-0.5%
CO content at increased idle speed0.3%
Increased idle speed for CO test2200-2800rpm
Lambda0.97-1.03
Radiator cap1.3-1.5bar
Thermostat opens85-89℃
Battery55Ah
Alternator70A
Cylinder head tightening torque 170Nm
Cylinder head tightening torque 290°
Cylinder head tightening torque 390°
Spark plug Tightening torque20Nm
Engine oil with filter5.0l
Cooling system9.0 / 9.5l
Gearbox oil 1.5l
Automatic transmission fluid 6.0l
Differential1.1 / 0.7l
Engine oil gradeCCMC G4 / G5 SAE 10W-40
CCMC G4 / G5 SAE 10W-50
CCMC G4 / G5 SAE 15W-40
CCMC G4 / G5 SAE 5W-40
CCMC G4 / G5 SAE 5W-50
Gearbox oil gradeATF A MB 236.2
Automatic transmission fluid typeATF Dexron II MB 236.4-6-7
Differential oilAPI GL-5 SAE 90 MB 235
Differential oil rearAPI GL-5 LS SAE 85W-90 MB 235.3
Brake fluidDOT 4
Wheel info eng
Tire dimension (x/y R z)195/65 R15
Front wheel presure2.0bar
Rear wheel presure2.1bar
Wheel bolt tightening torque (B)110Nm
Rear hub tightening torque (H)200-240Nm
Brakes info
Minimal front brake disk thickness (R)10-0 / 19.4mm
Minimal rear brake disk thickness (R)7.3mm
Minimal front pad thickness (P)13.0mm
Minimal rear pad thickness (P)11.0mm


Manufacturer

Mercedes-Benz

Model

E-Class W124

Type

260 E 4Matic

Year

1987-1991

Engine code

103.943

Engine size

2599ccm

Power

122kw


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