The Mercedes-Benz GLE 350 V6 4MATIC, produced between 2015 and 2018 as part of the W166 GLE SUV generation, represented a core offering in Mercedes-Benz’s mid-size luxury SUV lineup. Positioned as a balance between performance and efficiency, the GLE 350 aimed to provide a comfortable and capable driving experience for families and individuals alike. It served as a popular alternative to the more performance-focused AMG variants and the diesel-powered GLE 350 d models available in European markets. This variant combined a naturally aspirated 3.5-liter V6 engine with a seven-speed 7G-TRONIC PLUS automatic transmission and Mercedes-Benz’s 4MATIC all-wheel-drive system.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | GLE |
| Generation | GLE SUV (W166) |
| Type | GLE 350 V6 (302 Hp) 4MATIC 7G-TRONIC PLUS |
| Start of production | 2015 |
| End of production | 2018 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 13.1 l/100 km (18 US mpg, 21.6 UK mpg, 7.6 km/l) |
| Fuel consumption (extra urban) | 10.7 l/100 km (22 US mpg, 26.4 UK mpg, 9.3 km/l) |
| Fuel consumption (combined) | 12.4 l/100 km (19 US mpg, 22.8 UK mpg, 8.1 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 60 mph | 7.5 sec |
| Maximum speed | 210 km/h (130.49 mph) |
| Weight-to-power ratio | 7.1 kg/Hp, 140.1 Hp/tonne |
| Weight-to-torque ratio | 5.8 kg/Nm, 171.7 Nm/tonne |
| Power | 302 Hp @ 6500 rpm |
| Power per litre | 86.3 Hp/l |
| Torque | 370 Nm @ 3500-5250 rpm (272.9 lb.-ft. @ 3500-5250 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 276.955 |
| Engine displacement | 3498 cm3 (213.46 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 92.9 mm (3.66 in.) |
| Piston Stroke | 86 mm (3.39 in.) |
| Compression ratio | 12:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 7 l (7.4 US qt | 6.16 UK qt) |
| Coolant | 10.5 l (11.1 US qt | 9.24 UK qt) |
| Kerb Weight | 2155 kg (4750.96 lbs.) |
| Trunk (boot) space – minimum | 690 l (24.37 cu. ft.) |
| Trunk (boot) space – maximum | 2010 l (70.98 cu. ft.) |
| Fuel tank capacity | 93 l (24.57 US gal | 20.46 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load with brakes (12%) | 3265 kg (7198.09 lbs.) |
| Length | 4803 mm (189.09 in.) |
| Width | 1981 mm (77.99 in.) |
| Width including mirrors | 2141 mm (84.29 in.) |
| Height | 1796 mm (70.71 in.) |
| Wheelbase | 2915 mm (114.76 in.) |
| Front track | 1648 mm (64.88 in.) |
| Rear (Back) track | 1651 mm (65 in.) |
| Front overhang | 874 mm (34.41 in.) |
| Rear overhang | 1013 mm (39.88 in.) |
| Ride height (ground clearance) | 202 mm (7.95 in.) |
| Minimum turning circle (turning diameter) | 11.8 m (38.71 ft.) |
| Front suspension | Coil spring, Double wishbone, Transverse stabilizer |
| Rear suspension | Independent multi-link spring suspension with stabilizer |
| Front brakes | Ventilated discs, 350×33 mm |
| Rear brakes | Ventilated discs, 330×23 mm |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 7 gears, automatic transmission G-TRONIC PLUS |
| Tires size | 255/55 R18; 255/50 R19; 265/45 R20; 265/40 R21 |
| Wheel rims size | 8J x 18; 8.5J x 19; 9J x 20; 9J x 21 |
INTRODUCTION
The W166 GLE-Class, launched in 2015, represented a significant step forward for Mercedes-Benz’s SUV offerings, consolidating the previous ML-Class, GL-Class, and GLK-Class into a more streamlined lineup. The GLE 350 V6 4MATIC occupied a crucial position within this range, offering a compelling blend of luxury, space, and performance. It was designed to appeal to buyers seeking a premium SUV experience without the higher price tag or sporting focus of the AMG models. Production of this specific configuration ran from 2015 to 2018, before being superseded by the updated W167 generation.
Powertrain & Engine Architecture
At the heart of the GLE 350 V6 4MATIC lies the M 276.955 3.5-liter naturally aspirated V6 engine. This engine, a staple in many Mercedes-Benz vehicles of the era, features a 60-degree V-angle and utilizes direct fuel injection for improved efficiency and power delivery. The engine employs a dual overhead camshaft (DOHC) valvetrain with four valves per cylinder, optimizing airflow for enhanced performance. The 7G-TRONIC PLUS seven-speed automatic transmission, known for its smooth and responsive shifts, was paired exclusively with this engine. This transmission features a torque converter lock-up clutch to improve fuel economy at cruising speeds. The 4MATIC all-wheel-drive system operates full-time, distributing power between the front and rear axles as needed to maximize traction and stability. The system typically favors a rear-wheel bias for a more engaging driving experience.
Driving Characteristics
The GLE 350 V6 4MATIC delivered a comfortable and refined driving experience. While not overtly sporty, the 302 horsepower and 272.9 lb.-ft. of torque provided adequate acceleration for everyday driving and highway merging. The 0-60 mph sprint took approximately 7.5 seconds. The 7G-TRONIC PLUS transmission contributed to smooth gear changes, and the all-wheel-drive system instilled confidence in various weather conditions. Compared to the more powerful GLE 450 AMG Sport or the diesel-powered GLE 350 d, the GLE 350 V6 offered a less aggressive driving experience, prioritizing comfort and fuel efficiency. The gear ratios were tuned for a balance between acceleration and fuel economy, with a relatively tall final drive ratio contributing to lower engine speeds at highway speeds.
Equipment & Trim Levels
The GLE 350 V6 4MATIC came standard with a generous array of features, including leatherette upholstery, dual-zone automatic climate control, a power liftgate, and a rearview camera. The COMAND infotainment system with a central display screen provided access to navigation, audio, and vehicle settings. Optional extras included genuine leather upholstery, a panoramic sunroof, a premium sound system, and a suite of advanced driver-assistance features such as blind-spot monitoring, lane-keeping assist, and adaptive cruise control. Trim levels were relatively simple, with most options being added individually rather than through distinct packages.
Chassis & Braking
The W166 GLE-Class featured a robust chassis with a fully independent suspension. The front suspension utilized coil springs and a double wishbone design, while the rear suspension employed a multi-link setup. Both ends incorporated stabilizer bars to reduce body roll during cornering. The GLE 350 V6 4MATIC was equipped with ventilated disc brakes on all four wheels, providing ample stopping power. ABS (Anti-lock Braking System) was standard, enhancing braking performance and stability. The suspension tuning prioritized ride comfort, but still offered reasonable handling characteristics for an SUV of its size and weight.
Market Reception & Comparison
The GLE 350 V6 4MATIC was generally well-received by automotive critics. It was praised for its comfortable ride, spacious interior, and refined powertrain. However, some reviewers noted that the naturally aspirated V6 engine lacked the punch of turbocharged alternatives. Fuel economy was considered average for its class, with combined figures around 19 US mpg. Compared to the GLE 350 d (available in Europe), the gasoline-powered GLE 350 offered less fuel efficiency but potentially lower maintenance costs. Against the GLE 450 AMG Sport, the GLE 350 provided a more affordable entry point into the GLE lineup, albeit with less performance.
Legacy
The M 276 engine family, including the 3.5-liter V6 used in the GLE 350, has proven to be relatively reliable, although regular maintenance is crucial. Common issues include oil leaks and occasional problems with the fuel injectors. The 7G-TRONIC PLUS transmission is also generally durable, but fluid changes should be performed according to the manufacturer’s recommendations. On the used car market, the 2015-2018 GLE 350 V6 4MATIC represents a good value proposition for buyers seeking a well-equipped and comfortable luxury SUV. Its combination of space, features, and reasonable running costs makes it a popular choice among families and individuals looking for a dependable and refined vehicle.
