Mercedes Technical Training 287 Ho 03 M272 Engine 0 Fah 08 05 04

M272 Engine

1

287

M272 (FAH) 10/05/04

Technical

287

Engine 0 Fah 08 05 04

download: http://manualplace.com/download/mercedes-technical-training-287-ho-03-m272-engine-0-fah-08-05-04/ This is the cut pages sample. Download

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HO

Mercedes

Training

Ho 03 M272

Full

all 76

ManualPlace.com

Objectives

Students will be able to:

• identify differences between M112 and M272

• explain the camshaft adjusters operation

• identify major components of the M272

• explain function of the swirl flaps

• explain function of the temperature management system

2

3 Contents Comparison 4 Highlights 6 Motor mechanicals 9 Oil level switch 12 Crankcase ventilation 16 Cylinder head 18 Intake manifold 29 ME 9.7 40 Crank sensor 46 O2 sensors 49 Three way catalytic converters 50 Ignition coil 52 Mass airflow 54 Temperature management 55 Fuel tank 59 Speed sensitive power steering 64

4 M272 – M112 Comparison 228 lb-ft @ 5700 rpm 258 lb-ft @ 2500 to 5000 rpm 214 hp @ 5700 rpm 268 hp @ 6000 rpm ME 2.8 ME 9.7 Sparkplugs per cylinder 2 Sparkplugs per cylinder 1 Double ignition coils Coil On Plug Compression Ratio 10.0 : 1 Compression Ratio 10.7 : 1 M112 3.2 litre M272 3.5 litre

5

kW

180 kW 190

350 Nm Torque Nm power kW RPM

0 20 40 60 80 100 120 140 160 180 200 1000 2000 3000 4000 5000 6000 7000 200 220 240 260 280 300 320 340 360 380 400

M112 M272 Comparison Red line (Dash) = M112 3 valve Blue line (solid ) = M272 4 valve

New M272 introduced in the new SLK 171

Lets look at some highlights

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7 M272 HighLights • M112 replacement • 3.5 litre displacement • Counter rotating balance shaft • Stiffer engine with lateral main bearing attachments • 4 valve continuously variable camshafts intake and exhaust (DOHC) Mercedes Technical Training 287 Ho 03 M272 Engine 0 Fah 08 05 04 Full download: http://manualplace.com/download/mercedes-technical-training-287-ho-03-m272-engine-0-fah-08-05-04/ This is the cut pages sample. Download all 76 page(s) at: ManualPlace.com

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