Vehicle fuel system Mercedes C-Class (W202)
The fuel system includes the fuel tank, fuel pump and fuel lines, as well as the fuel injection system with a fuel cleaning filter and an air filter. The fuel tank with a capacity of 62 liters is located under the rear seat in front of the rear axle. The fuel reserve is displayed on the instrument panel.
Safety precautions and refueling
Maintaining cleanliness when working on the fuel system Observe the following rules regarding cleanliness when working on the fuel system. Thoroughly clean connections...
Maintaining cleanliness when working on the fuel system Observe the following rules regarding cleanliness when working on the fuel system. Thoroughly clean connections...
Fuel tank — design description
Gas engine M3m1 - Fuel pump; 011. Hose clamp; 26. Mesh fuel filter; 26/1. Sealing ring of round section. Be sure to replace!; 53. Hose for suction of fuel; 66....
Gas engine M3m1 - Fuel pump; 011. Hose clamp; 26. Mesh fuel filter; 26/1. Sealing ring of round section. Be sure to replace!; 53. Hose for suction of fuel; 66....
Fuel level sensor — removal and installation
Gas engine In each compartment of the fuel tank there is a fuel level indicator sensor. Removing 1. Drain the fuel from the tank. If only one sensor is dismantled, then...
Gas engine In each compartment of the fuel tank there is a fuel level indicator sensor. Removing 1. Drain the fuel from the tank. If only one sensor is dismantled, then...
Fuel pump — removal and installation
Gas engine Removing Attention! Be sure to pay attention to good ventilation of the workplace. Fuel vapors are poisonous, avoid naked flames due to fire hazard! The fuel...
Gas engine Removing Attention! Be sure to pay attention to good ventilation of the workplace. Fuel vapors are poisonous, avoid naked flames due to fire hazard! The fuel...
Fuel filter — removal and installation
Gas engine Removing Attention! Be sure to pay attention to good ventilation of the workplace. Fuel vapors are poisonous, avoid naked flames due to fire hazard! The fuel...
Gas engine Removing Attention! Be sure to pay attention to good ventilation of the workplace. Fuel vapors are poisonous, avoid naked flames due to fire hazard! The fuel...
Air filter — removal and installation
Gas engine Removing 1. 1.8L and 2.0L Engine: Loosen Clamp (4/8) and remove from the air filter (4) air hose. 2. 2.2L and 2.8L Engines: Remove from Air Filter (4) the...
Gas engine Removing 1. 1.8L and 2.0L Engine: Loosen Clamp (4/8) and remove from the air filter (4) air hose. 2. 2.2L and 2.8L Engines: Remove from Air Filter (4) the...
Cross pipe of the air filter — removal and installation
Gas engine Removing 1. Pull out temperature sensor for intake air (B17) from the transverse pipe, to do this, squeeze the retaining clips (arrow). 2. Screw on the clamps...
Gas engine Removing 1. Pull out temperature sensor for intake air (B17) from the transverse pipe, to do this, squeeze the retaining clips (arrow). 2. Screw on the clamps...
Inlet gas pipeline — removal and installation
4-cylinder petrol engine Removing 1. Remove the air filter cross tube. 2. Disconnect the ground wire from the battery terminal (–). Attention! This erases the anti-theft...
4-cylinder petrol engine Removing 1. Remove the air filter cross tube. 2. Disconnect the ground wire from the battery terminal (–). Attention! This erases the anti-theft...
Throttle cable/throttle lever (petrol)
Throttle cable adjustment (30) 1. With the engine stopped and the accelerator pedal not depressed, between the drive spring (30/7) and guide element (30/5) there must be...
Throttle cable adjustment (30) 1. With the engine stopped and the accelerator pedal not depressed, between the drive spring (30/7) and guide element (30/5) there must be...
Gas control cable (gasoline) — removal and installation
Attention! The throttle cable is very sensitive to bending and must therefore be handled with particular care during installation. A single slight bend can subsequently...
Attention! The throttle cable is very sensitive to bending and must therefore be handled with particular care during installation. A single slight bend can subsequently...
Diesel engine fuel circuit
Attention! At start-up, thanks to throttling, air is removed from the fuel system in the upper part of the filter, as well as automatically in the injector pump. Fuel...
Attention! At start-up, thanks to throttling, air is removed from the fuel system in the upper part of the filter, as well as automatically in the injector pump. Fuel...
Pre-heating of diesel fuel
In order to guarantee the normal flow of diesel fuel and thereby prevent blockage of fuel lines and filters, especially in extreme cold weather, the fuel is preheated...
In order to guarantee the normal flow of diesel fuel and thereby prevent blockage of fuel lines and filters, especially in extreme cold weather, the fuel is preheated...
Fuel thermostat — removal and installation
2.0L diesel engine Removing 1. Remove the intake manifold. 2. Disconnect the ground wire from the battery. Attention! This erases the anti-theft code of the radio. 3....
2.0L diesel engine Removing 1. Remove the intake manifold. 2. Disconnect the ground wire from the battery. Attention! This erases the anti-theft code of the radio. 3....
Hydraulic valve housing — removal and installation
The following is the procedure for performing work on a diesel engine. Removing 1. Loosen the clamp on the air hose (90/1). 2. Remove the vacuum hose (100a) from the...
The following is the procedure for performing work on a diesel engine. Removing 1. Loosen the clamp on the air hose (90/1). 2. Remove the vacuum hose (100a) from the...
Throttle cable/throttle lever (diesel)
2.0L diesel engine Diesel engine 2.2/2.5L 24. Accelerator pedal; 31/1. Guide lever; 32. Gas control cable; 32/3. Set bolt; 38. Throttle lever stop Check the adjusting...
2.0L diesel engine Diesel engine 2.2/2.5L 24. Accelerator pedal; 31/1. Guide lever; 32. Gas control cable; 32/3. Set bolt; 38. Throttle lever stop Check the adjusting...
Gas control cable (diesel) — removal and installation
Attention! The cable is very sensitive to bending and therefore requires careful handling during installation. A single slight bend can lead to later failure during...
Attention! The cable is very sensitive to bending and therefore requires careful handling during installation. A single slight bend can lead to later failure during...
This section is available on: russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
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- General information
- Introduction to guide
- User manual
- Maintenance
- Power unit
- Gasoline engines
- Diesel engines
- Cooling system
- Ventilation and heating
- Supply system
- Injection system (gasoline)
- Injection system (diesel)
- Exhaust system
- Ignition and control system
- Charge and launch systems
- Transmission
- Mechanical gearbox
- Automatic gearbox
- Clutch and drive shafts
- Differential
- Chassis
- Brake system
- Car suspension
- Steering
- Body
- Exterior (external elements)
- Interior (internal elements)
- Electrical equipment
- Equipment and devices
- Lighting system
- Electrical diagrams (2000)
- Electrical diagrams (since 2001)
- General information
- User manual
- Driving a car
- Car care
- Maintenance
- Power unit
- Gasoline engines
- Diesel engines
- Lubrication system
- Cooling system
- Heating and ventilation
- Ignition system
- Fuel system
- Injection system (gasoline)
- Injection system (diesel)
- Exhaust system
- Transmission
- Clutch
- Car gearbox
- Chassis
- Suspension, wheels and tires
- Steering
- Brake system
- Body
- Exterior (external elements)
- Interior (internal elements)
- Doors and windows
- Electrical equipment
- Equipment and devices
- Power devices
- Lighting system
- Electrical circuits
- General information
- Introduction to the guide
- Operation and care
- Maintenance (gasoline)
- Maintenance (diesel)
- Troubleshooting
- Power unit
- Petrol engine I4
- Petrol engine V6
- Diesel engines
- Engine overhaul
- Cooling and heating
- Power system (carburetor)
- Injection system (gasoline)
- Injection system (diesel)
- Exhaust system
- Charge and start system
- Ignition system (I4)
- Ignition system (V6)
- Diesel heating system
- Transmission
- Clutch
- Mechanical gearbox
- Automatic gearbox
- Cardan shaft and axle shafts
- Chassis
- Brake system
- Car suspension
- Steering
- Body
- Exterior (external elements)
- Interior (internal elements)
- Doors, locks and windows
- Electrical equipment
- Equipment and devices
- Electrical circuits
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