Verdict
The X6 has a 40% bigger boot, while the S-Class is 7% more powerful. Weigh that against the equipment each side gives you in the table below.
| Price & overview | ||
|---|---|---|
| Price | RM 734,800✓ | RM 738,888 |
| Body type | SUV | Sedan |
| Segment | Executive | Luxury |
| Assembly | CBU | CKD |
| Powertrain | ||
| Engine Tech | 24-valve DOHC with Twin-scroll Turbocharger, Direct Fuel Injection and Variable Valve Timing and Lift with Mild Hybrid Assistance | 24-valve DOHC with Electric Twin-scroll Turbocharger, Direct Injection and Variable Valve Timing and Lift |
| Capacity | 2,998 cc | 2,999 cc |
| Horsepower | 335 hp | 362 hp✓ |
| Torque | 450 Nm | 500 Nm✓ |
| Cylinder Arrangement | Inline | Inline |
| Timing Type | Chain | Chain |
| Fuel | Petrol Hybrid/REV | Petrol Hybrid/REV |
| Bore | — | 83 mm |
| Compression Ratio | — | 10.5 |
| Number of Motors | 1 | 1 |
| Motor Horsepower | 12 hp | 147 hp✓ |
| Motor Torque | 200 Nm | 440 Nm✓ |
| Battery Type | Lithium-ion | Lithium-ion |
| Battery Capacity | 1 kWh | 28.6 kWh✓ |
| EV Range | — | 100 km |
| Charger Type (AC) | — | Type 2 |
| Charging Rate (AC) | — | 11 kW |
| Charger Type (DC) | — | CCS |
| Charging Rate (DC) | — | 60 kW |
| Drivetrain | ||
| Transmission | Conventional Automatic | Conventional Automatic |
| Transmission Name | 8-speed Steptronic Sport | 9G-TRONIC |
| Gears | 8 | 9 |
| Transmission Manufacturer | ZF | Mercedes-Benz (Daimler AG) |
| Driveline | All Wheel Drive | Rear Wheel Drive |
| Performance & Efficiency | ||
| 0-100 km/h | 5.4 seconds | 5.2 seconds✓ |
| Rated Economy | — | 1 L/100 km |
| Top Speed | 250 km/h | 250 km/h |
| Co2 | — | 22 g/km |
| Dimensions | ||
| Length | 4,960 mm | 5,289 mm |
| Width | 2,004 mm | 1,954 mm |
| Height | 1,700 mm | 1,503 mm |
| Wheelbase | 2,975 mm | 3,216 mm |
| Weight | 2,240 kg | 2,385 kg |
| Fuel Tank | 83 litres | 67 litres |
| Doors | 5 | 4 |
| Seats | 5 | 5 |
| Boot Space | 580 litres✓ | 350 litres |
| Front Tyre | 275/35R22 | 255/40R20 |
| Rear Tyre | 315/30R22 | 285/35R20 |
| Spare Tyre | Tyre Repair Kit | N/A, Tyre Repair Kit |
| Factory Tyres | Pirelli P Zero | Michelin Pilot Sport 4 ZP |
| Chassis | ||
| Assembly | United States (CBU) | Malaysia (CKD) |
| Chassis | Unibody | Unibody |
| Front Suspension | Double Wishbones | Multi-Link with Air Suspension |
| Rear Suspension | Multi-link | Multi-Link with Air Suspension |
| Front Wheels | 22" M Light Alloy Wheels V-Spoke Style 747 M | 20" Twin 10-spoke Alloys |
| Rear Wheels | 22" M Light Alloy Wheels V-Spoke Style 747 M | 20" Twin 10-spoke Alloys |
| Front Brakes | Ventilated Discs | Ventilated Disc |
| Rear Brakes | Ventilated Discs | Ventilated Disc |
| Steering | Rack and Pinion (Electric Power Steering) | Rack and Pinion (Electric Power Steering) |
| Chassis Notes | Adaptive M Suspension | Adaptive Dampers |
| Safety | ||
| Airbags | Driver and Front Passenger, Front Side, Front and Rear Curtain, Driver's Knee | Driver and Passenger, Driver Knee, Rear Passengers, Front and Rear Side, Front and Rear Curtain, Rear Left Cushion |
| ABS/EBD | ✓ | ✓ |
| Stability Control | ✓ | ✓ |
| Alarm | ✓ | ✓ |
| Immobilizer | ✓ | ✓ |
| Airbag Disable Function | ✓ | ✓ |
| Child Safety Lock | Electronic for Rear Doors | Manual for Rear Doors |
| Seat Belts | 5 Three-point | 5 Three-point with Illumination and Rear Belt Bags |
| Blind Spot Info System | ✓ | ✓ |
| ISOFIX | Available on outer two rear seats | Available for 2 Outer Rear Seats |
| Autonomous Braking System | Yes | Yes, with Pedestrian and Cyclist Detection (up to 130 km/h) and Evasive Steering Assist (up to 108 km/h) |
| Lane-keeping Assist | Steering Correction | Steering Correction |
| Collision Warning | ✓ | ✓ |
| Seatbelt Reminder | All Seats | All Seats |
| Safety Notes | — | Pre-Safe, Pre-Safe Impulse Side, Driver Attention Monitor with Eye Tracking |
| Lighting | ||
| Headlamps | Adaptive LED Projectors with Auto High Beam | Adaptive LED Projector with Matrix High Beam (Digital Light with Projection Function) |
| Taillamps | Full LED | Full LED |
| LED Daytime Running Lights | ✓ | ✓ |
| Rear Foglamps | ✓ | ✓ |
| Wing Mirror Turn Indicators | ✓ | ✓ |
| Cabin | ||
| Front Seats | Power Adjustable Front Seats with Memory Function and Adjustable Lumbar | Power Adjustable Front Seats with Memory, Heating and Massage Functions; Pillow Headrests; Passenger Seat Adjustment from Rear Seats |
| Rear Seats | 40:20:40 Split-folding | Power Adjustable Outer Rear Seats with Memory, Heating, Ventilation, Massage and One-touch Recline Functions; Folding Rear Pillow Headrests with Built-in Neck Warmers; Powered Ottoman and Leg Rest for Left Seat with Massage Function; Centre Load-through |
| Front Air-con | Dual-zone Automatic Climate Control System | Dual-zone Automatic Climate Control with Air Balance Perfume System and Ioniser |
| Rear Air-con | Dual-zone Automatic Climate Control System | Dual-zone Automatic Climate Control |
| Sunroof | Panoramic Glass Roof | Panoramic, Tilt and Slide |
| Power Sockets | 1 Front, 1 Wireless Charger, 2 USB-C Front, 2 USB-C Rear | 4 Front USB-C, 6 Rear USB-C |
| Interior Lighting | Map Lights and Ambient Lighting | Map Lights and Active Ambient Lights (64 Colours) |
| Cup Holders | 2 Front, 2 Rear | 2 Front, 2 Rear |
| Sun Shade | Sunroof Shade, Rear Window Shades | Double Sun Visors, Powered Rear Windscreen and Rear Door Window Sunshades |
| Audio | 14.9" BMW Curved Display Live Cockpit Professional, 18-Speaker Harman Kardon Sound System | 12.8" OLED Touchscreen Mercedes-Benz User Experience (MBUX) with Apple CarPlay, Android Auto and Augmented Reality Navigation; 11" Rear Entertainment Displays; 7" Rear Android Tablet; 15-speaker Burmester 3D Surround Sound System (710 Watts) |
| Convenience | ||
| Power Windows | Four Windows, Auto Up and Down with Anti-pinch | Four Windows, Auto Up and Down with Anti-Pinch |
| Engine Start | Keyless Push Button | Keyless Push Button |
| Locks | Keyless Operation | Keyless Operation with Pop-out Door Handles |
| Auto Start/Stop | ✓ | ✓ |
| Auto Headlamps | ✓ | ✓ |
| Auto Wipers | ✓ | ✓ |
| Cruise Control | Passive Cruise Control | Adaptive Cruise Control with Steering Assist, Stop and Go and Speed Limit Assist |
| Tiptronic | ✓ | — |
| Paddle Shift | ✓ | ✓ |
| Steering Audio Control | ✓ | ✓ |
| Steering Tilt | ✓ | ✓ |
| Steering Telescopic | ✓ | ✓ |
| Electric Steering Adjustment | ✓ | ✓ |
| Boot Operation | Powered with Remote Control Activation | Powered with Contactless Operation |
| Parking Sensor Front | 6 Sensors | 6 Sensors |
| Parking Sensor Rear | 6 Sensors | 6 Sensors |
| Reverse Camera | Yes, with 360-degree Surround View | Yes, with 360-degree Camera |
| Auto Parking | Yes | Yes, Parallel and Perpendicular |
| Folding Wing Mirrors | ✓ | ✓ |
| Bluetooth | ✓ | ✓ |
| Navigation | ✓ | ✓ |
| Head-up Display | ✓ | — |
| Power Door | Yes | Soft Close Function, All Doors |
| Hill Start Assist | ✓ | ✓ |
| Instrument Cluster | Full LCD Monitor | Full LCD Monitor |
| Parking Brake | Electronic | Electronic |
| Convenience Notes | — | MBUX Interior Assistant, Fingerprint Scanner, Front and Rear Qi Wireless Chargers, Rear Wireless Headsets |
| Warranty | ||
| Warranty Mileage Manufacturer | Unlimited | Unlimited |
| Warranty Mileage Extended | Unlimited | — |
| Warranty Manufacturer | 2 years | 4 years✓ |
| Warranty Extended | 5 years | — |
| Warranty Notes | — | 8-year/160,000 km Battery Warranty |
| Ownership | ||
| Road tax / year | RM 1,637✓ | RM 2,128 |
Specs shown for the selected variant of each car. ✓ marks the better figure where lower/higher is objectively better. Road tax: West Malaysia, private registration.