Mercedes-Benz B-class W245 B 170 (116 Hp) Autotronic
Overall Rating
Mercedes-Benz B-class:
The Mercedes-Benz B-Class is a subcompact executive car manufactured and marketed by Mercedes-Benz since 2005. Based on the A-Class with larger dimensions, the European New Car Assessment Programme classifies it as a small MPV.
Mercedes-Benz had presented a concept car Vision B Compact Sports Tourer at the 2004 Paris Motor Show. The concept previewed some features that would be available on the production B-Class. The Vision B was based on the layered platform, so that the drivetrain would be placed partly in front of and underneath the passengers....(Read more on Wikipedia)
W245 Overview:
Mercedes-Benz B-class (W245). With 155 Nm of torque, it offers ample pulling power. It has moderate fuel consumption (~9.1 l/100km). Weighing only 1285 kg, it’s quite light. Front‑wheel drive delivers efficiency and easy handling. Acceleration is relatively slow (0–100 km/h in 12 s). The top speed reaches 180 km/h. A multi-purpose vehicle designed to transport passengers with ample interior space. Seating for 5 makes it ideal for daily use.
The W245 B-class achieved an excellent 5-star rating for adult occupant protection, demonstrating strong passive safety performance for its time.
B 170 (116 Hp) Autotronic Verdict:
Performance Verdict
A more capable petrol option than the B 150, offering adequate power for most situations with smooth automatic shifts.
Fuel Economy
Moderate fuel consumption for an automatic petrol, suitable for those prioritizing smoothness over absolute efficiency.
Pros and Cons:
Pros:
- • Spacious and versatile interior with flexible seating arrangements
- • Comfortable ride quality, typical of Mercedes-Benz
- • Excellent Euro NCAP safety rating for adult occupants
- • Economical and strong diesel engine options available
- • Good build quality and premium feel for its class
Cons:
- • Entry-level petrol engines can feel underpowered
- • Autotronic (CVT) gearbox can be prone to reliability issues and is not the most engaging
- • Some interior plastics feel less premium than other Mercedes models
- • Not the most dynamic or engaging car to drive
- • Higher running costs compared to some rivals
Specifications:
Specifications are compared to those of the previous generation(W247: 2020 - 2022).
| General: | |
|---|---|
| Brand: | Mercedes-Benz |
| Model: | B-class |
| Generation: | W245 |
| Modification (Engine): | B 170 (116 Hp) Autotronic |
| Start of production: | April, 2005 |
| End of production: | April, 2008 |
| Powertrain Architecture: | Internal Combustion engine |
| Body type: | MPV |
| Seats: | 5 |
| Doors: | 5 |
| Engine: | |
|---|---|
| Power: | 116 Hp @ 5500 rpm. Same horsepower |
| Power per litre: | 68.3 Hp/l [149mm less] |
| Torque: | 155 Nm @ 3500-4000 rpm. |
| Engine Model/Code: | M 266.940 More details about the engine M 266.940 |
| Engine displacement: | 1699 |
| Number of cylinders: | 4 |
| Engine configuration: | Inline |
| Number of valves per cylinder: | 2 |
| Fuel injection system: | Multi-port manifold injection |
| Engine aspiration: | Naturally aspirated engine |
| Valvetrain: | SOHC |
| Engine oil capacity: | 5 l |
| Coolant: | 6.6 l |
| Engine layout: | Front, Transverse |
| Cylinder Bore: | 83 mm mm |
| Piston Stroke: | 78.5 mm mm |
| Compression ratio: | 11:1 |
| Performance: | |
|---|---|
| Fuel Type: | Petrol (Gasoline) |
| Fuel consumption (economy) - urban: | 9-9.2 l/100 km |
| Fuel consumption (economy) - extra urban: | 6-6.2 l/100 km |
| Fuel consumption (economy) - combined (NEDC): | 7.1-7.3 l/100 km |
| Fuel consumption (economy) - urban (NEDC): | 9-9.2 l/100 km |
| Fuel consumption (economy) - extra urban (NEDC): | 6-6.2 l/100 km |
| Fuel consumption (economy) - combined: | 7.1-7.3 l/100 km |
| Emission standard: | Euro 4 |
| Acceleration 0 - 100 km/h: | 12 sec |
| Acceleration 0 - 62 mph: | 12 sec |
| Maximum speed: | 180 km/h |
| Weight-to-power ratio: | 11.1 kg/Hp, 90.3 Hp/tonne |
| Weight-to-torque ratio: | 8.3 kg/Nm, 120.6 Nm/tonne |
| Acceleration 0 - 60 mph: | 11.4 sec |
| Space: | |
|---|---|
| Kerb Weight: | 1285 |
| Max. weight: | 1830 |
| Max. roof load: | 75 kg |
| Max load: | 545 |
| Trunk (boot) space - maximum: | 2245 l |
| Trunk (boot) space - minimum: | 544 l |
| Permitted trailer load with brakes (12%): | 1300 kg |
| Fuel tank capacity: | 54 l |
| Permitted trailer load without brakes: | 645 kg |
| Permitted towbar download: | 75 kg |
| Size: | |
|---|---|
| Length: | 4270 mm mm [149mm less] |
| Width: | 1777 mm mm [19mm less] |
| Height: | 1603 mm mm [41mm more] |
| Wheelbase: | 2778 mm mm [49mm more] |
| Width including mirrors: | 1975 mm |
| Front track: | 1556 mm |
| Rear (Back) track: | 1551 mm |
| Minimum turning circle (turning diameter): | 11.95 m [above average] |
| Powertrain: | |
|---|---|
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Transmission type | Automatic |
| Gearbox type | Autotronic |
| Front brakes | Ventilated discs, 276x22 mm [Best for performance and cooling.] |
| Rear brakes | Disc, 258x8 mm [above average] |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 195/65 R15 |
| Wheel rims size | 6J x 15 |
| Front suspension | Independent type McPherson, Transverse stabilizer |
| Rear suspension | Transverse stabilizer, Coil spring |












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