Technical data (Mercedes-Benz C-Class W201)

Contents: General ↡ Camshaft ↡ Cylinder head bolts ↡ Lubrication system ↡ Flywheel/drive plate mounting bolts ↡ Tightening torque of connections, Nm ↡

General

Engine code:

1.8 liter engine - 102910
Carburetor engine 2.0 liters - 102924
2.0L Fuel Injected Engine - 102652
2.3 liter engine - 102985

Working volume:

1.8 liter engine - 1797 cc.
engine 2.0 liters - 1996 cc.
2.3 liter engine - 2298 cc.

Cylinder diameter:

1.8 and 2.0 liter engines - 89.0 mm
2.3 liter engine - 95.5 mm

Piston stroke:

1.8 liter engines - 72.2 mm
2.3 and 2.0 liter engines - 95.5 mm

Direction of rotation - Clockwise (if you look from the front of the engine)

Cylinder #1 Location - Camshaft Drive Chain Side

The firing order of the cylinders is 1-3-4-2

Compression pressure:

Minimum pressure (on all engines) — 8.5 bar (approximately)

Maximum difference between cylinders is 1.5 bar

Compression ratio:

1.8 liter engine - 9.0:1
2.0 liter engine - 9.1:1
2.3 liter engine - 9.0:1

Camshaft

Axial displacement:

New engine - 0.070 to 0.150 mm
Wear limit - 0.180 mm

Working clearance of camshaft bearings:

New engine - 0.050 to 0.091 mm
Wear limit - 0.110 mm

Cylinder head bolts

Maximum length - 122.0mm

Lubrication system

Minimum oil pressure:

At idle speed - 0.3 bar
At 3000 rpm - 3.0 bar

Flywheel/drive plate mounting bolts

Minimum diameter - 8.0mm
Maximum length - 22.5 mm

Tightening torque of connections, Nm

Camshaft Cover Bolts - 15

Crankshaft Pulley/Vibration Damper to Hub Bolts - 25

Crankshaft Pulley/Vibration Damper Hub Bolt - 300

Timing Chain Cover Bolts - 25

Tensioner bolt (M12) of auxiliary drive belt — 80

Accessory Drive Belt Tensioner Pulley Bolt - 28

Bolts of the auxiliary drive belt tensioner stabilizer stand - 10

Camshaft Sprocket Bolt - 80

Camshaft chain tensioner cover nut - 70

Chain tensioner housing to cylinder block - 15

Additional shaft tie bolt - 5

Camshaft Bearing Cap Bolts - 21

Cylinder head bolts:

Bolts M12:

1st step - 55
2nd stage - turn 90°
3rd step - turn 90°

Bolts M8 - 25

Engine to gearbox bolts:

Manual transmission:

Bolts M10x40 mm - 55
Bolts M10x90 mm - 45

Automatic transmission:

M10 Boots - 55
Bolts M12 - 65

Pan bolts:

Bolts M6 - 10
Bolts M8 - 25

Drain plug - 25

Oil bypass valve plug - 30

Oil pump cover bolts - 10

Flywheel/Drive Plate Bolts:

Step 1:

Standard flywheel - 30
Double Mass Flywheel - 40

Step 2 - Tighten by 90-100°

Crankshaft Rear Oil Seal Housing Bolts - 10

Engine Mount Bracket Bolts to Engine Mount - 25

Right and left engine mount bolts to cross beam - 43

Right and left engine mount bracket bolts - 25

Rear support nut of the power unit to the gearbox - 65

Bolts of the rear support of the power unit to the cross beam - 25

Bolts for fastening the rear support of the powertrain cross member to the bottom of the vehicle — 35

Rear Powertrain Mount Adjusting Bolt - 30

Engine mount shock absorber mounting bolts - 25

Engine travel limiter adjusting bolt - 130

Connecting rod cap nuts: