Mercedes-Benz engine | Engineswork and Specs

M112 E32 is an engine from V6 range, first released in 1997 as a substitution to M104 E32. Other motors from 112-lineup are E24 M112, M112 E26, E28 M112, M112 E32 ML plus M112 E37. Having V-shape with cylinder back’s angle of 90 degrees, motor was supplied with basic components of V8 M113. M112 features balancer shaft. Lighter aluminum cylinder block substituted heavy cast iron one. Keeping aluminum cylinder heads with single overhead camshaft plus 2 intake and 1 exhaust valves for each cylinder, motor gained variable valve timing system, hydraulic lifters/tappets, variable geometry intake manifold and timing chain. Supercharged M112.961 had some differences from the traditional version. They are: Restyled crankshaft featuring bearings suitable for high torque; Updated connecting rods; Heat-resistant covering of pistons able to resist high pressure of up to 90 bar; Upgraded balancer shaft; Bigger oil pump for augmenting oil supply to oil nozzles with 70% better output; Light mounted camshafts; Stronger valve springs to enhance rpm from 6,000 to 6,220 along with valve power; Air pressure sensor substituted classic hot-film air mass meter; Exceptional exhaust system featuring 4 ceramic catalytic converters. Engines, based on M112.960, were applied for Chrysler Crossfire Coupe SRT-6 and Crossfire Roadster SRT-6. Though Chrysler Crossfire STR-6 motor had 1.0 bar maximum boost pressure and reached 246 kW at 6,100 rpm and a torque of 420 Nm at 3,500-4,800 rpm unlike C32 AMG and SLK32 AMG with an output of 260 kW at 6,100 rpm and a torque of 450 Nm at 4,400 rpm. In 2004, the production of a new generation of V6 motors started. M272 KE/DE 35 became the debut engine of the range. # Preview Product Rating 1 TOPAZ 1122030275 Engine Coolant Thermostat Aluminium Housing with Seal for Mercedes M112 M113 21 Reviews Check Today's Price 2 Fit For Mercedes-Benz M112 M113 CL500 Engine Coolant Thermostat W/Seal 1122030275 No ratings yet Check Today's Price 3 Bapmic 1121800510 Oil Filter Housing Cover Cap Replacement for Mercedes M112 M113 43 Reviews Check Today's Price 4 Ignition Tune-Up Kit: 12 Spark Plugs + Wires + Tool for Mercedes V6 M112 Engines No ratings yet Check Today's Price 5 Ambienceo Oil Gauge Level Dipstick Fluid Dip Stick Tool for Mercedes Benz M137 M112 M113 M648 Engine No ratings yet Check Today's Price 6 Crankshaft Harmonic Balancer Pulley Holder For Mercedes Benz M112, M113, M137) 6 Reviews Check Today's Price 7 For Mercedes-Benz M112 C320 CLK320 Engine Left Valve Cover Gasket 1120160221 No ratings yet Check Today's Price M112 Specs Manufacturer Stuttgart-Bad Cannstatt Plant Production years 1997-present day Cylinder block material Aluminum Cylinder head material Aluminum Fuel type Gasoline Fuel system Fuel injection Configuration V Number of cylinders 6 Valves per cylinder 3 Valvetrain layout SOHC Bore, mm 89.9 Stroke, mm 84.0 Displacement, cc 3199 Type of internal combustion engine Four-stroke, naturally aspirated Compression Ratio 10 Power, hp 190/5600 218/5700 224/5600 Torque, lb ft 199/2750 229/3000 232/3000 Firing order 1-4-3-6-2-5 Engine oil weight 0W-30, 0W-40, 5W-30, 5W-40, 5W-50, 10W-40, 10W-50, 15W-40, 15W-50 Engine oil capacity, liter 8.0 Oil change interval, mile 6,000 Engine Modifications M112.940 (1997 - 2003) - version with power of 218 hp at 5700 rpm. This motor for Mercedes-Benz CLK 320 C208. M112.941 (1997 - 2002) - for Mercedes-Benz E 320 W210. Power is 224 hp. M112.942 (1997 - 2005) - M112.940 for Mercedes-Benz ML 320 W163. M112.944 (1998 - 2002) - M112.941 for Mercedes-Benz S 320 W220. M112.951 (2003 - present day) - version for Mercedes-Benz Vito 119/Viano 3.0 W639, 190 hp. Engine Applications 2000–2004 Mercedes C320 1998–2005 Mercedes E320 1997-200.. Mercedes G320 1998–2005 Mercedes S320 1998–2003 Mercedes ML320 2000–2003 Mercedes SLK320 2003–2008 Mercedes Chrysler Crossfire 2002–2005 Mercedes CLK320 M112 E32 Engine Problems Excessive oil use. Outwear of valve stem gaskets may be the major reason for that. Or, this malfunction may be caused by crankcase gases, contaminating the ventilation system. Oil leakage. The oil heat exchanger often has a weak gasket. This problem is common for many M112 motors.