SL roadsters~of the series 129
Mercedes-Benz type 300 SL
Type 300 SL 
Name 300 SL 
Name Mercedes-Benz type 300 SL 
Short name 300 SL 
Model R 129 E 30 
Production 05.88/03.89 - 06.93 
Number produced 12.020 
Comments concerning the production period begin of production - pre-production batch / main production - end of production 
Prices 03.89: 89.490,00 DM 01.90: 93.879,00 DM 10.90: 99.066,00 DM 06.91: 102.771,00 DM 09.91: 104.481,00 DM 02.92: 108.642,00 DM 10.92: 109.440,00 DM 01.93: 113.505,00 DM 
Wheelbase 2515 mm 
Track rear/front 1535/1523 mm 
Length 4470 mm 
Width 1812 mm 
Height 1303 mm (with cabriolet top closed) 
Smallest turning circle 10,75 m 
Chassis weight
Max. total weight 2040 kg; since 09.91: 2090 kg 
Max. front axle weight 940 kg; since 09.91: 960 kg 
Max. rear axle weight 1120 kg; since 09.91: 1150 kg 
Max. load 390 kg 
Max. trailer weight braked 1500 kg 
Max. trailer weight unbraked 750 kg 
Weight empty 1650 kg; since 09.91: 1700 kg 
According to guideline according to DIN 70020 (with fuel, spare wheel and tool equipment) 
Operating method four-stroke Otto (w/ manifold-injection and emission control device w/ three-way catalyst) 
Configuration front, parallel; upright 
Type M 103 E 30 / 103.984 
No. of cylinder/configuration 6 / in line; 15ř inclination to the right 
Bore x stroke 88,5 x 80,2 mm 
Total displacement 2960 ccm 
Compression ratio 9,2 
Crankshaft bearing
Output 140 kW / 190 hp at 5700 /min 
Maximum torque 260 Nm at 4500 /min 
No. of valves/configuration 1 intake, 1 exhaust / V-shaped overhead 
Valve operation top camshaft 
Camshaft drive simple roller-type chain 
Mixture formation manifold-injection, mechano-electronically controlled~(Bosch KE-Jetronic) 
Cooling water cooling / pump; 9 l water 
Lubrication pressure circulation lubrication / 6,8 l oil 
Electric system 12 V 
Battery 92 Ah; since 09.90: 100 Ah / in the boot 
Dynamo three-phase AC / 1400 W 
Starter motor electrical / 1,7 kW 
Ignition electronic ignition system 
Fuel tank above the rear axle / 80 l 
Fuel supply electric supply pump 
Driven whells rear wheels 
Power transmission divided cardan shaft 
Frame desing self-supporting all-steel body 
Wheel suspension front triangle-wishbone / shock-absorber strut, on demand with level control 
Wheel suspension rear multilink suspension, on demand with hydropneumatic level control 
Suspension front coil springs, torsion bar stabilizer 
Suspension rear coil springs, torsion bar type stabilizer 
Damper gas-pressure shock absorber struts / gas-pressure damper 
Steering ball-and-nut power steering 
Steering transm ratio 15,53:1 / 3 steering wheel turns 
Breaking system braking system 
Breaking system hydraulic dual-circuit braking system with vacuum-operated brake servo unit and antilock device;~disc brakes front (intern. ventilated) and rear 
Parking breake parking brake 
Parking breake mechanical (foot-operated), effective on rear wheels 
Diamatre brake discs front / rear: 300 / 278 mm 
Wheels light-alloy disc wheels 
Wheels rims 8 J x 16 H 2 
Tyres 225/55 ZR 16 

Skrzynie biegów tego modelu (gearbox and performance):

SL roadsters~of the series 129
Mercedes-Benz type 300 SL
Gearbox 5-speed gear shift 
Availability Series 
Shifting Feed control 
Clutch Single-plate dry clutch 
Type of gearbox Pinion change gear 
Synchromesh gears I - V 
Gear transmission I. 3,86; II. 2,18; III. 1,38; IV. 1,0; V. 0,80; R. 4,22 
Differential ratio 3,92 
Maximum speed 228 km/h 
Accelerations 9,3 s 
Comments Acceleration with shifting through from 0 - 100 km/h; loaded with 2 persons 
Fuel consumption 8,5/10,3/15,9 l 
acc. to guideline 80/1268/EWG; values for 90 km/h / 120 km/h / city cycle 
SL roadsters~of the series 129
Mercedes-Benz type 300 SL
Gearbox 4-speed autom. gear shift 
Availability by request 
Shifting Switch lever in car center 
Clutch hydr. torque converter in autom. gear 
Type of gearbox Planet gear 
Synchromesh gears  
Gear transmission I. 3,87; II. 2,25; III. 1,44; IV. 1,0; R. 5,59 
Differential ratio 3,29 
Maximum speed 223 km/h 
Accelerations 9,5 s 
Comments Acceleration with shifting through from 0 - 100 km/h; loaded with 2 persons 
Fuel consumption 9,2/10,9/15,0 l 
acc. to guideline 80/1268/EWG; values for 90 km/h / 120 km/h / city cycle