Mercedes OM457 Manuals, Engine Specifications & Bolt Torques

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OM457 Mercedes
Main Bearing Bolts

Step 1 = 100 Nm
Step 2 = 200 Nm
Step 3 = + 30 degrees
Step 4 = + 90-100 degrees

OM457 Mercedes
Connecting Rod Bolts

Step 1 100 - 110 Nm
Step 2 90 degrees - 100 degrees

OM457 Mercedes
Cylinder Head Bolts

M15 X 2 Max Length 212 mm
Step 1 10 Nm
Step 2 50 Nm
Step 3 100 Nm
Step 4 200 Nm
Step 5 90 degrees
Step 6 90 degrees

* Check data sheet if new bolts are fitted.

OM457 Mercedes

Arrangement
6 cylinder inline
4 stroke cycle
with turbo and intercooled variants

Displacement
11.97 liter, 730 CID
Bore
128 mm

Stroke
155 mm
Compression ratio
457LA 17.25:1

OM460 Mercedes

Arrangement
6 cylinder inline
4 stroke cycle
with turbo and intercooled variants

Displacement
12.8 liter, 781 CID

Bore
128 mm

Stroke
166 mm

Compression ratio
18.0:1

Mercedes Designations
German - English

A = Turbocharger = T
L = Intercooler = I
OM = Diesel engine = ADE

Example:
OM366 = ADE366N
OM366A = ADE366T
OM366LA = ADE366TI
OM442LA = ADE442TI

OM457LA Mercedes

Power
265 kW @ 2100 rpm
242 kW @ 1800 rpm

Torque
1600 Nm @ 1200 rpm
Weight approx
920 kg, 2028 lb

Dimensions approx
length - 1365 mm
width - 830 mm
height - 1110 mm

OM460LA Mercedes

Power
from 276 kW, 370 hp @ 1900 rpm
to 336 kW, 450 hp @ 1900 rpm

Torque OM460LA
from 1695 Nm, 1250 lb.ft @ 1100 rpm
to 2100 Nm, 1550 lb.ft @ 1100 rpm

Weight approx
1030 kg, 2270 lb

Dimensions approx
length - 1339 mm
width - 1069 mm
height - 1130 mm