System Specifications
Model C280, E320, S320 & SL320Spark Plug Gap, Inch 0.031
Ignition
Firing Order [06]
Timing Deg. BTDC. [10]
Timing Mark [07]
Curb Idle Speed, RPM [01] 650-800 N
Fuel Pressure, psi 54-61 [03]
Valve Lash, Inch
Intake [09]
Exhaust [09]
BTDC -- Before Top Dead Center.
N -- Neutral.
[01] -- When adjusting idle speed, set parking brake & chock driver wheels.
[02] -- Equipped w/EZL Ignition System, non-adjustable.
[03] -- Less vacuum.
[04] -- Firing order 1-3-4-2.
[05] -- With vacuum.
[06] -- Firing order 1-5-3-6-2-4.
[07] -- Equipped w/crankshaft position sensor.
[08] -- Cylinder numbering front to rear, right bank, 1,2,3,4; left bank, 5,6,7,8. Firing order 1-5-4-8-6-3-7-2.
[09] -- Equipped w/hydraulic valve lash adjusters.
[10] -- Equipped w/HFM Motronic engine management system, non-adjustable.
[11] -- Equipped w/EZL/AKR variable characteristic ignition system, non adjustable.
[12] -- Cylinder numbering front to rear, right bank, 1,2,3,4,5,6; left bank,7,8,9,10,11,12. Firing order 1-12-5-8-3-10-6-7-2-11-4-9.