| Attribute |
Mercedes-Benz S-class (W221, facelift 2009) S 350 CDI BlueEFFICIENCY G - TRONIC × | 
Mercedes-Benz CLS coupe (C218) CLS 350 BlueTEC 4MATIC G-TRONIC × |
| General | | |
| Make | Mercedes-Benz | Mercedes-Benz |
| Model | S-class | CLS |
| Generation | S-class (W221, facelift 2009) | CLS coupe (C218) |
| Modification | S 350 CDI BlueEFFICIENCY G - TRONIC | CLS 350 BlueTEC 4MATIC G-TRONIC |
| Website | https://www.mercedes-benz.com/ | https://www.mercedes-benz.com/ |
| Number of doors | 4 | 4 |
| Number of seats | 5 | 4 |
| Body type | Sedan | Coupe |
| Transmission | automatic g-tronic | automatic g-tronic plus |
| Number of gears | 7 | 7 |
| Production from (year) | 2009 | 2013 |
| Production to (year) | 2010 | 2014 |
| Performance | | |
| Top speed (km/h) | 250 | 250 |
| Acceleration 0-100 km/h (s) | 7.8 | 6.7 |
| City consumption (l/100km) | 10.4 | 7.4 |
| Extra-urban consumption (l/100km) | 5.9 | 5.5 |
| Combined consumption (l/100km) | 7.6 | 6.2 |
| CO2 emissions (g/km) | 199 | 164 |
| Emission standard | - | EURO VI |
| Drive | | |
| Drive | Rear wheel drive | All wheel drive (4x4) |
| Engine type | Fuel engine | - |
| Position of engine | Front,ongitudinal | Front,ongitudinal |
| Fuel | Diesel | Diesel |
| Max. power (hp) | 235 | 248 |
| Max. torque (Nm) | 540 | 620 |
| Fuel Engine | | |
| Number of cylinders | 6 | 6 |
| Cylinders arrangement | V engine | V engine |
| Valves per cylinder | 4 | 4 |
| Engine displacement (cm³) | 2,987 | 2,987 |
| Compression ratio | 17.7 | 15.5 |
| Max. power @ rpm (rpm) | 3,600 | 3,600 |
| Max. torque @ rpm (rpm) | 1,600 | 1,600 |
| Fuel system | Diesel Commonrail | Diesel Commonrail |
| Valve control | Dohc | - |
| Turbine | Turbocharger / Intercooler | Turbocharger / Intercooler |
| Catalyst | Particulate filter | - |
| Fuel tank (l) | 90 | 59 |
| Chassis | | |
| ABS | + | + |
| Front wheel suspension | - | Independent, Spring McPherson, with stabilizer |
| Rear wheel suspension | - | Multi-link independent |
| Front suspension | Pneumatic | - |
| Rear suspension | Pneumatic | - |
| Front stabilizer | + | - |
| Rear stabilizer | + | - |
| Steering type | Steering rack | Steering rack |
| Power steering | - | Electric Steering |
| Front brakes | Disc | Ventilated discs |
| Rear brakes | Disc | Ventilated discs |
| Tires size | | |
| Turning radius (m) | 11.8 | 11.27 |
| Dimensions | | |
| Length (mm) | 5,096 | 4,940 |
| Width (mm) | 1,871 | 1,881 |
| Height (mm) | 1,479 | 1,416 |
| Wheelbase (mm) | 3,035 | 2,874 |
| Kerb weight (kg) | 1,880 | 1,935 |
| Gross weight (kg) | 2,550 | 2,420 |
| Minimum boot space (l) | 560 | 520 |
| Front track (mm) | 1,600 | 1,594 |
| Rear track (mm) | 1,606 | 1,626 |