The Mercedes-Benz S 430 4MATIC, produced from 2002 to 2005, was a significant iteration of the W220 S-Class facelift. Positioned as a mid-range offering within the S-Class lineup, it bridged the gap between the entry-level S 320 and the flagship S 500 and S 600 models. The W220 S-Class, launched in 1998, represented a substantial leap forward in Mercedes-Benz technology and luxury, and the 2002 facelift addressed some initial criticisms, improving reliability and refining the aesthetics. The S 430 4MATIC specifically combined a powerful V8 engine with Mercedes’ all-wheel-drive system, offering a blend of performance and all-weather capability.
At the heart of the S 430 4MATIC lies the M113 E 43 engine, a 4.3-liter naturally aspirated V8. This engine, internally designated as 113.948, produced 279 horsepower at 5750 rpm and 400 Nm (295 lb-ft) of torque between 3000 and 4400 rpm. The M113 featured a three-valve-per-cylinder design, multi-port fuel injection, and a robust cast-iron block with aluminum cylinder heads. The engine’s architecture was longitudinal, meaning it was mounted lengthwise in the chassis. Paired with the engine was the 5G-TRONIC automatic transmission, a five-speed unit known for its smooth shifting and adaptability. This transmission was electronically controlled and offered selectable driving modes, allowing drivers to tailor the shift points to their preferences. The 4MATIC system, a full-time all-wheel-drive system, distributed power to all four wheels, enhancing traction and stability, particularly in inclement weather.
The S 430 4MATIC delivered a refined and capable driving experience. Acceleration from 0 to 60 mph was achieved in approximately 7 seconds, and top speed was electronically limited to 155 mph. While not as overtly sporty as some of its competitors, the S 430 offered ample power for effortless cruising and confident overtaking. The 5G-TRONIC transmission contributed to a smooth and seamless power delivery, and the 4MATIC system provided reassuring grip in various conditions. Compared to the rear-wheel-drive S 430, the 4MATIC version offered improved handling and stability, especially on slippery surfaces. However, the added weight of the all-wheel-drive system did slightly impact fuel economy compared to the RWD model.
The S 430 4MATIC came standard with a comprehensive array of luxury features. Interior appointments typically included leather upholstery, wood trim, and power-adjustable seats with memory function. Standard equipment also included automatic climate control, a premium sound system, and a multi-function steering wheel. Optional extras were plentiful, including a navigation system, massaging seats, rear-seat entertainment, and advanced driver-assistance systems like Distronic adaptive cruise control. The interior design emphasized elegance and comfort, with a focus on high-quality materials and meticulous craftsmanship.
The S 430 4MATIC utilized a sophisticated chassis and braking system. The suspension featured independent suspension all around, with multi-link designs at both the front and rear. This provided a comfortable ride while maintaining good handling characteristics. Brakes were ventilated discs at all four corners, providing ample stopping power. Anti-lock braking system (ABS) was standard, enhancing safety and control during emergency braking. The steering system was a hydraulic power-assisted rack and pinion setup, offering precise and responsive steering feel.
Contemporary reviews of the S 430 4MATIC generally praised its luxurious interior, comfortable ride, and powerful engine. Critics noted the effectiveness of the 4MATIC system in providing enhanced traction and stability. Fuel economy, however, was often cited as a drawback, with combined fuel consumption averaging around 18.8 US mpg. Reliability was generally good, although some owners reported issues with the electronic systems and air suspension components. Compared to the S 320, the S 430 offered a noticeable performance upgrade, while the S 500 and S 600 provided even more power but at a significantly higher price point.
| Engine Model/Code | M 113 E 43/113.948 |
| Engine displacement | 4266 cm3 (260.33 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 89.9 mm (3.54 in.) |
| Piston Stroke | 84 mm (3.31 in.) |
| Compression ratio | 10:1 |
| Number of valves per cylinder | 3 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated |
| Engine oil capacity | 8 l (8.45 US qt | 7.04 UK qt) |
| Power | 279 Hp @ 5750 rpm |
| Torque | 400 Nm @ 3000-4400 rpm (295.02 lb.-ft. @ 3000-4400 rpm) |
| Fuel consumption (urban) | 18.3 l/100 km (12.9 US mpg, 15.4 UK mpg, 5.5 km/l) |
| Fuel consumption (extra urban) | 9.2 l/100 km (25.6 US mpg, 30.7 UK mpg, 10.9 km/l) |
| Fuel consumption (combined) | 12.5 l/100 km (18.8 US mpg, 22.6 UK mpg, 8 km/l) |
| CO2 emissions | 299 g/km |
| Acceleration 0 – 100 km/h | 7.4 sec |
| Acceleration 0 – 62 mph | 7.4 sec |
| Acceleration 0 – 60 mph | 7 sec (Calculated) |
| Maximum speed | 250 km/h (155.34 mph) |
| Kerb Weight | 1905 kg (4199.81 lbs.) |
| Max. weight | 2505 kg (5522.58 lbs.) |
| Trunk (boot) space | 525 l (18.54 cu. ft.) |
| Fuel tank capacity | 88 l (23.25 US gal | 19.36 UK gal) |
| Length | 5043 mm (198.54 in.) |
| Width | 1855 mm (73.03 in.) |
| Height | 1444 mm (56.85 in.) |
| Wheelbase | 2965 mm (116.73 in.) |
| Gears/Transmission | 5 gears, automatic transmission G-TRONIC |
| Drive wheel | All wheel drive (4×4) |
Today, the S 430 4MATIC remains a desirable used luxury car. The M113 engine is known for its durability, and with proper maintenance, can provide many years of reliable service. However, potential buyers should be aware of the potential for issues with the electronic systems, air suspension, and cooling system. Parts availability is generally good, but maintenance costs can be higher than for more mainstream vehicles. The S 430 4MATIC represents a compelling value proposition for those seeking a comfortable, well-equipped, and capable luxury sedan from the early 2000s.
