Home/Mercedes-Benz/C-class AMG/Mercedes-Benz C-class AMG W203/S203/CL203 (2001-2004)/Repair manual/Mechanical/Complete Engine -- Component Modifications -- 203 Chassis

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Wiring diagrams Section: Mechanical

Complete Engine -- Testing & Repair -- 203 Chassis - 3 of 3: Other

Sealing Threads in Area of Oil Flange -- 203 Chassis

Complete Engine -- Component Modifications -- 203 Chassis

Complete Engine -- Cleaning -- 203 Chassis

Crank Assembly -- Belt Pulley/damper & Flywheel Driven Plate -- 203 Chassis: NVH
Crank Assembly -- Belt Pulley/damper & Flywheel Driven Plate -- 203 Chassis: Other

Crank Assembly -- Leak at Front Crankshaft Sealing Ring -- 203 Chassis

Engine Timing -- Risk of Explosion & Poisoning -- 203 Chassis

Engine Timing -- Disposal of Sodium-Filled Valves -- 203 Chassis

All sections

Complete Engine -- Component Modifications -- 203 Chassis Mercedes-Benz C-class AMG W203/S203/CL203

Mechanical 7 illustrations ~167 words

Rear suspension eyes of engine strengthened - BT01.00-P-0001-01A

ENGINE 112,113

Identifying External Torx Set (001 589 76 09 00). Scheme 1094

Scheme 1094: Identifying External Torx Set (001 589 76 09 00)

Scheme 1095

Scheme 1096

Scheme 1097

The Mercedes emblem and two numbers (XX) must be stamped on the suspension eyes which are fitted to the vehicle.
If the two suspension eyes do not have this marking, they must be replaced. (Scheme 1095): Identifying Mercedes Emblem And Numbers On Suspension Eyes

Technical modifications: Passenger cars: Complete engine, crankcase ventilation, cylinder head, crankcase - BT01.00-Z-9999AZ

MODEL all

Rear suspension eyes of engine strengthened	ENGINE 112, 113	BT01.00-P-0001-01A
Dowel sleeve modified	ENGINE 166.##### as of 041569	BT01.10-P-0001-01A
Crankcase ventilation pipe for crankcase modified	ENGINE 120.982 ## as of 005541, 120.983 ## as of 001457	BT01.20-P-0001-01A
Material of cylinder head gasket modified	ENGINE 604, 606...	BT01.30-P-0001-01A
Bolts for attaching cylinder head to timing case cover modified	ENGINE 111 as of 6.8.97	BT01.30-P-0002-01A
Cylinder head bolts with higher tensile strength	ENGINE 601.91, 602.91 up to 1.1.91, 602.96, 603.96/97 up to 1.5.90	BT01.30-P-0003-01A
End cover with vulcanized radial seal	ENGINE 111 as of 1.2.95, 604, 605, 606 as of 1.11.94	BT01.40-P-0001-01A
Measure concerning oil drain screw	ENGINE 113...	BT01.45-P-7500-01R

Bolts for attaching cylinder head to timing case cover modified - BT01.30-P-0002-01A

ENGINE 111 as of 6.8.97

Bolt+washer is replaced by Torx bolt (A).

Replace Torx bolt when carrying out repairs; pay attention to modified tightening torque

Scheme 1098

Scheme 1098: Bolts for attaching cylinder head to timing case cover modified - BT01.30-P-0002-01A

Scheme 1099

Fig. 3: Identifying Bolts For Attaching Cylinder Head To Timing Case Cover

Scheme 3: Identifying Bolts For Attaching Cylinder Head To Timing Case Cover

End cover with vulcanized radial seal - BT01.40-P-0001-01A

ENGINE 111 as of 1.2.95, 604, 605, 606 as of 1.11.94

Engine	Production period as of	Production period up to
111	02.95
604	02.95
605	09.94	11.94
606	09.94	11.94

PRODUCTION BREAKPOINTS/MODIFICATIONS/NEW FEATURES

Scheme 1100

Fig. 4: Identifying End Cover With Vulcanized Radial Seal

Scheme 4: Identifying End Cover With Vulcanized Radial Seal

See also:
• BT01.00-P-0001-01A
• BT01.30-P-0002-01A
• BT01.40-P-0001-01A