Mercedes C291 group C (1991)

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Specifications

5 units built
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M-291, Flat 12 (180^o) cyl, 4 stroke, petrol engine
3492cc, 86.0 x 50.1mm
560-650 hp at 13000 rpm
400 Nm at 9000 rpm
8 main bearings with central power take-off
Light alloy monoblock with Nicasil coated bores, cast aluminium alloy cylinderheads
aspiration, natural with Mercedes-Benz TAGtronic multipoint electronic fuel injection
2 spark plugs per cylinders, firing order 1-10-5-7-3-11-6-9-2-12-4-8
6-speed manual gearbox with Sequential semi-automatic shift, shift lever at right
35 gear ratios depending on race
rear LSD differential, transversally mounted in front of rear axle
final drive 3.529 or 4.133
Triple-disc carbon-fiber clutch
Carbon fiber monocoque chassis with integrated roll cage
Front wheel suspension, Double wishbone, coil springs/pressurized shock absorbers (operated by pull rods), torsion bar stabilizer
Rear wheel suspension, Double wishbone, coil springs/pressurized shock absorbers (diagonal/transversal, operated by push rods), stabilizer
f/r Internally ventilated disc brakes, 4-piston caliper
Length 4650 mm
Height 1020 mm
Wheelbase 2700 mm
Front track 1600 mm
Rear track 1550 mm
front tires, 25.5/12 x 17 Goodyear
rear tires, 28.5/14.5 x 18 Goodyear

Results in WSCC

1991

Season


Car entry, chassis number	Car number/ result
	Suzuka	Monza	Silver stone	Le Mans	Nurb	Magny Cour	Mexico	Auto polis
Team	430km	430km	430km	24h	430km	430km	430km	430km
Team Sauber Mercedes, C291-02	#2, fire	#2, eng ine	#2, 2nd			#2T, water leak
Team Sauber Mercedes, C291-03				#2, with drawn	#2T, eng ine	#2, eng ine in practice	#1T, spare car	#1T, 5th
Team Sauber Mercedes, C291-04					#2, spare car		#2, oil pump	#2, 1st
Team Sauber Mercedes, C291-05					#1, gear box	#1, throttle linkage	#1, elec trics	#1, misfire in practice

Total points 25			9					16
Statistics
Works Starts/finishes 14/3	1/0	1/0	1/1	1/0	2/0	3/0	2/0	3/2
Driver	Team entries and car number
Team Sauber Mercedes
Karl Wendlinger	2	2	2	2	2, 2T	2, 2T	2	2
Michael Schumacher	2	2	2	2	2, 2T	2, 2T	2	2
Fritz Kreutzpointner				2
Jean-Louis Schlesser					1	1	1, 1T	1, 1T
Jochen Mass					1	1	1, 1T	1, 1T