
Product Introduction
The 5115456909 Brake Light Switch is an important electrical control component used in Mercedes-Benz NG, SK series and Beiben NG80 trucks. Installed in the brake pedal or brake control circuit, it detects brake operation and controls the electrical signal of the brake lamps, ensuring proper warning indication during vehicle braking.
Manufactured according to OEM specifications, this brake light switch features accurate switching performance, reliable internal contacts, and durable housing construction. It is designed for frequent operation, vibration environments, and long-term commercial truck working conditions.

Technical Specifications
| Item | Specification |
| Product Name | Brake Light Switch / Brake Lamp Switch |
| OEM Part Number | 5115456909 |
| Vehicle Brand | Mercedes-Benz / Beiben |
| Compatible Models | NG / SK / NG80 |
| System | Brake Electrical System |
| Component Type | Electrical Control Switch |
| Position | Brake Pedal / Brake Control Circuit |
| Material | Plastic Housing + Metal Electrical Contacts |
| Manufacturing Process | Precision Assembly + Electrical Calibration |
| Function | Controls Brake Light Signal |
| Working Medium | Electrical Signal |
| Features | Fast Response, Stable Switching, Long Service Life |
| Condition | Brand New |
| OEM Standard | Yes |
| Quality Test | Electrical Test / Signal Test / Durability Test / Fitment Test |
| Installation | OEM Direct Replacement |
| Packaging | Export Standard Packaging |
| Origin | China |
Vehicle Fitment
| Vehicle Brand | Compatible Models |
| Mercedes-Benz | NG Series |
| Mercedes-Benz | SK Series |
| Beiben | NG80 |
Payment & Shipping
| Category | Options |
| Payment Methods | T/T, PayPal, Western Union, MoneyGram, L/C, Alibaba Trade Assurance |
| Shipping Methods | DHL, FedEx, UPS, TNT |
| Delivery Time | 3–7 Days (Express), 20–45 Days (Sea Freight) |
| Trade Terms | EXW, FOB, CIF, CFR, DDP |
| Shipping Scope | Worldwide Shipping |
Related Products Categories
| Section/System | Common Spare Parts |
| Cylinder Block & Cylinder Head | Cylinder Block, Cylinder Head, Cylinder Liner, Piston, Piston Ring, Cylinder Head Gasket |
| Crankshaft System | Crankshaft, Connecting Rod, Bearing, Thrust Washer |
| Valve Train | Intake Valve, Exhaust Valve, Camshaft, Rocker Arm, Valve Spring |
| Fuel System | Injector, Fuel Pump, Fuel Filter |
| Cooling System | Water Pump, Thermostat, Radiator |
| Lubrication System | Oil Pump, Oil Cooler |
Transmission & Drivetrain Parts
| Section/System | Common Spare Parts |
| Clutch System | Clutch Disc, Pressure Plate, Release Bearing, Clutch Master Cylinder, Clutch Booster Cylinder |
| Gearbox System | Gearbox Assembly, Gear Set, Bearing, Seal |
| Differential System | Differential Assembly, Crown Wheel & Pinion, Differential Bearing |
| Driveshaft System | Propeller Shaft, Universal Joint, Drive Shaft Center Bearing, Flange Fork, Slip Yoke, Center Support |
| Axle System | Axle Shaft, Wheel Hub, Planetary Gear, Side Gear |
| Section/System | Common Spare Parts |
| Front Axle | Steering Knuckle, Kingpin Kit, Tie Rod, Wheel Hub |
| Rear Axle | Axle Housing, Hub, Differential Housing |
| Suspension System | Leaf Spring, Leaf Spring Bracket, Leaf Spring Seat, Torque Rod, Balance Shaft, Spring Shackle, Suspension Saddle, Shock Absorber, U-bolt |
| Steering System | Steering Gearbox, Drag Link, Steering Pump |
| Brake System | Brake Drum, Brake Shoe, Brake Chamber, Brake Valve, Slack Adjuster, Air Dryer, Air Hose |
Cabin & Body Parts
| Section/System | Common Spare Parts |
| Cabin Assembly | Cabin Body, Mounting, Door Lock, Door Handle, Door Hinge |
| Electrical System | Relay, Signal Lamp, Combination Instrument, Tachometer, Speedometer, Headlamp, Tail Lamp, Wiring Harness |
| Interior | Dashboard, Switch Panel, Instrument Cluster |
| Exterior | Bumper, Grille, Fender, Step |
