GENERAL INFORMATION 0B -- 13
D AEW OO M Y_2000
OWNER INSPECTIONS AND SERVICES
WHILE OPERATING THE VEHICLE
Horn Operation
Blow the horn occasionally to make sure it works. Check
all the button locations.
Brake System Operation
Be alert for abnormal sounds, increased brake pedal
travel or repeated puling to one side when braking. Also,
if the brake warning light goes on, or flashes, something
may be wrong with part of the brake system.
Exhaust System Operation
Be alert to any changes inthe sound of the system or
the smell of the fumes. These are signs that the system
may be leaking or overheating. Have the system in-
spected and repaired immediately.
Tires, Wheels and Alignment Operation
Be alert to any vibration of the steering wheel or the
seats at normal highway speeds. This may mean a
wheel needs to be balanced. Also, a pull right or left on a
straight, level road may show the need for a tire pres-
sure adjustment or a wheel alignment.
Steering System Operation
Be alert to changes in the steering action. An inspection
is needed when the steering wheel is hard to turn or has
too much free play, or is unusual sounds are noticed
when turning or parking.
Headlight Aim
Take note of the light pattern occasionally. Adjust the
headlights if the beams seem improperly aimed.
AT EACH FUEL FILL
A fluid loss in any (except windshield washer) system
may indicate a problem. Have the system inspected and
repaired immediately.
Engine Oil Level
Check the oil level and add oil if necessary. The best
time to check the engine oil level is when the oil is warm.
1. After stopping the engine, wait a few minutes for the
oil to drain back to the oil pan.
2. Pull out the oil level indicator (dip stick).
3. Wipe it clean, and push the oil level indicator back
down all the way.
4. Pull out the oil level indicator and look at the oil level
on it.
5. Add oil, if needed, to keep the oil level above the low-
er mark. Avoid overfilling theengine, since this may
cause engine damage.
6. Push the indicator all the way back down into the en-
gine after taking the reading.If you check the oil level when the oil is cold, do not run
the engine first. The cold oil will not drain back to the pan
fast enough to give a true oil level reading.
Engine Coolant Level and Condition
Check the coolant level in the coolant reservoir tank and
add coolant if necessary. Inspect the coolant. Replace
dirty or rusty coolant.
Windshield Washer Fluid Level
Check the washer fluid level in the reservoir. Add fluid if
necessary.
AT LEAST TWICE A MONTH
Tire And Wheel Inspection and Pressure
Check
Check the tire for abnormal wear or damage. Also check
for damaged wheels. Check the tire pressure when the
tires are cold ( check the spare also, unless it is a stow-
away). Maintain the recommended pressures. Refer to
“Tire and Wheel” is in section 0B.
AT LEAST MONTHLY
Light Operation
Check the operation of the license plate light, the head-
lights (including the high beams), the parking lights, the
fog lights, the taillight, the brake lights, the turn signals,
the backup lights and the hazard warning flasher.
Fluid Leak Check
Periodically inspect the surface beneath the vehicle for
water, oil, fuel or other fluids, after the vehicle has been
parked for a while. Water dripping from the air condition-
ing system after use is normal. If you notice fuel leaks or
fumes, find the cause and correct it at once.
AT LEAST TWICE A YEAR
Power Steering System Reservoir Level
Check the power steering fluid level. Keep the power
steering fluid at the proper level. Refer to Section 6A,
Power Steering System.
Brake Master Cylinder Reservoir Level
Check the fluid and keep it at the proper level. A low fluid
level can indicate worn disc brake pads which may need
to be serviced. Check the breather hole in the reservoir
cover to be free from dirt and check for an open pas-
sage.
Weather- Strip Lubrication
Apply a thin film silicone grease using a clean cloth.
1A1 -- 2 GENERAL ENGINE INFORMATION
D AEW OO M Y_2000
SPECIFICATIONS
ENGINE SPECIFICATIONS
ApplicationE32 Engine
Engine ModelM162.990
Displacement (CC)3199
Cylinder (Bore x Stroke)(mm)89.9 x 84.0
Fuel Injection / Ignition SystemMSE 3.62S
Compression Ratio10 : 1
Number of Cylinders6
Camshaft Valve ArrangementDOHC
Camshaft Drive TypeChain-- Driven
Max. Output (ps/rpm)222 / 5500
Max. Torque (kgSm/rpm)31.6 / 3750
Firing Order1--5--3--6--2--4
Ignition TypeDistributorless Double Ignition
Ignition TimingBTDC 8°±2°
Valve TimingIntakeOpen/CloseAT DC 11°/ ABDC 34°g
ExhaustOpen/CloseBBDC 31°/BTDC14°
Valve Clearance AdjustmentAutomatic Control
Idle Speed (rpm)700±50
Fuel Injection Pressure (kg/cm@)3--4
Oil Capacity (liter)8.2
Lubrication TypeForced by Gear Pump
Oil Filter TypeFull Flow with Paper Filter
FuelUnleaded Gasoline
MSE 3.62S/3.53S (Motorsteuer Elektronik : German)
MSE : Engine Control Electronic
3.62S : 6 Cylinder Version
3.53S : 4 Cylinder Version
1A2 -- 2 GENERAL ENGINE INFORMATION
D AEW OO M Y_2000
SPECIFICATIONS
ENGINE SPECIFICATIONS
ApplicationE23 EngineE20 Engine
Engine ModelM161.970M161.940
Displacement (CC)22951998
Cylinder (Bore x Stroke)(mm)90.9 x 88.489.9 x 78.7
Fuel Injection / Ignition SystemMSE 3.53S←
Compression Ratio10.4:19.6:1
Number of Cylinders4←
Camshaft Valve ArrangementDOHC←
Camshaft Drive TypeChain-- Driven←
Max. Output (ps/rpm)149 / 5500135 / 5500
Max. Torque (kgSm/rpm)22.4 / 400019.3 / 4000
Firing Order1--3--4--2←
Ignition TypeDistributorless←
Ignition TimingBTDC 6°±2°←
Va lv e
Tii
IntakeOpen/CloseATDC 19.25°/ ABDC 28.76°ATDC 13.15°/ ABDC 13.57°
Tim in gExhaustOpen/CloseBBDC 20.62°/ BTDC 15.08°BBDC 16.58°/ BTDC 17.05°
Valve Clearance AdjustmentAutomatic Control←
Idle Speed (rpm)750±50←
Fuel Injection Pressure (kg/cm@)3.2 -- 4.2←
Oil Capacity (liter)7.5←
Lubrication TypeForced by Gear Pump←
Oil Filter TypeFull Flow with Paper Filter←
FuelUnleaded Gasoline←
MSE 3.62S/3.53S (Motorsteuer Elektronik : German)
MSE : Engine Control Electronic
3.62S : 6 cylinder version
3.53S : 4 cylinder version
D AEW OO M Y_2000
SECTION 1
ENGINE
SECTION 1A3 (OM600 ENGINE)
GENERAL ENGINE INFORMATION
TABLE OF CONTENTS
Specifications 1A3 -- 1............................
Engine Specifications 1A3-- 1.....................
Sectional View 1A3 -- 3............................
OM662LA Engine 1A3-- 3........................
OM661LA Engine 1A3-- 5........................
Performance Curve 1A3-- 7........................
OM662LA Engine 1A3-- 7........................
OM661LA Engine 1A3-- 8........................
Special Tools 1A3 -- 9.............................Special Tools Table 1A3-- 9.......................
Diagnosis 1A3 -- 10................................
Oil Leak Diagnosis 1A3-- 10.......................
Compression Pressure Test 1A3-- 11..............
Cylinder Pressure Leakage Test 1A3-- 13...........
General Information 1A3 -- 15......................
Cleanliness and Care 1A3 -- 15....................
On-- Engine Service 1A3-- 15......................
SPECIFICATIONS
ENGINE SPECIFICATIONS
ApplicationOM662LAOM661LA
Engine TypeFour -- Stroke DieselFour -- Stroke Diesel
Displacement (CC)28742299
Cylinder (Bore x Stroke)(mm)89 x 92.489 x 92.4
Fuel Injection / Ignition SystemPES 5 M55 C320 RS 168PES 5 M55 C320 RS 167
Compression Ratio22 :122 :1
Number of Cylinders54
Camshaft Valve ArrangementSOHCSOHC
Camshaft Drive TypeChain -- DriveChain-- Drive
Max. Output (ps/rpm)120 / 4000101 / 4000
Max. Torque (kgSm/rpm)25.5 / 400021.5 / 2400
Firing Order1--2--4--5--31--3--4--2
Injection TimingBTDC 18_±10_BTDC 18_±10_
Valve Timing
(t2lift)
IntakeOpen/CloseAT DC 11 . 3 3_/ ABDC 17_AT DC 11 . 3 3_/ ABDC 17_g
(at 2mm lift)ExhaustOpen/CloseBBDC 28_/ BTDC 15.25_BBDC 28_/ BTDC 15.25_
Valve Clearance AdjustmentAutomatic ControlAutomatic Control
OM600 ENGINE CONTROLS 1F3 -- 5
D AEW OO M Y_2000
VACUUM CONTROLSYSTEM TEST
1 Ventilation (To Passenger Compartment)
2 Engine Cut -- Off Valve (Ignition Key Switch)
3 Auto-- locking Hub Solenoid Valve
4 Engine Stop Valve Unit
5 PLA Vacuum Unit (Idle Speed Adjustment)6Engine
7 Vacuum Pump
830_Thermovalve
9 Fuel Injection Pump
Test Data
Idle Speed IncreaseAt least 100 rpm at approx. 500mbr
Permissible Pressure Drop of System400 -- 500mbar approx. 1 min.