Mercedes-Benz C230 1994-2010 Workshop Repair & Service Manual
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Complete digital official shop manual contains service, maintenance, and troubleshooting information for the Mercedes-Benz C230 1994-2010. Diagnostic and repair procedures are covered in great detail to repair, maintain, rebuild, refurbish or restore your vehicle like a professional mechanic in local service/repair workshop. This cost-effective quality manual is 100% complete and intact as should be without any missing pages. It is the same factory shop manual used by dealers that guaranteed to be fully functional to save your precious time.
This manual for Mercedes-Benz C230 1994-2010 is divided into different sections. Each section covers a specific component or system and, in addition to the standard service procedures, includes disassembling, inspecting, and assembling instructions. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. It is in the cross-platform PDF document format so that it works like a charm on all kinds of devices. You do not need to be skilled with a computer to use the manual.
EXCERPT:
2001-2006 ENGINE Fuel System - 203 Chassis
2001-2006 ENGINE
Fuel System - 203 Chassis
BASIC KNOWLEDGE
FUEL TANK - DESCRIPTION OF COMPONENTS - GF47.10-P-2000PE
MODEL 203 with ENGINE 271.921
MODEL 203, 209 with ENGINE 271.940
MODEL 203 with ENGINE 271.946
MODEL 203 with ENGINE 271.948
MODEL 209 with ENGINE 271.955
Fig. 1: Identifying Fuel Tank Components - Model 203, 209 With Engine 271.940 (1 Of 2)
The fuel tank is positioned at the frame floor ahead of the rear axle because of the through-loading facility (from trunk into passenger compartment).
Design
The fuel tank is made of double-layer plastic. Due to the "U"-shaped cut-out, the fuel tank is divided into two interconnected chambers.
Fig. 2: Identifying Fuel Tank Components - Model 203, 209 With Engine 271.940 (2 Of 2)
The fuel pump (located in the left tank chamber) pumps the fuel via a fuel pressure line to the fuel filter with integrated fuel pressure regulator. The fuel filter with integrated fuel pressure regulator is secured from the outside to the left fuel tank chamber.
Excess pumped fuel flows from the fuel pressure regulator via the fuel return to the suction jet pump back to the left fuel tank chamber. As a result, there is a differential pressure in the suction jet pump that draws the fuel from the deepest point in the left fuel tank chamber and pumps it to the fuel delivery module into the right tank chamber. This ensures that the left fuel tank chamber is properly emptied.
The filtered fuel, at a regulated fuel pressure of around 3.8 bar, is pumped from the fuel pressure regulator via the fuel pressure line to the engine (single-line system).
The housing of the fuel delivery module serves as a swirl pot. A swirl pot prevents the fuel pump drawing in air when cornering with a low level of fuel in the tank.
Each fuel tank chamber contains a fuel level indicator for detection of the fuel level.
FUEL TANK COMPONENT DESCRIPTION - GF47.10-P-2000PS
MODEL 203 with ENGINE 113.988
MODEL 209 with ENGINE 113.987
Fig. 3: Identifying Fuel Tank Components - Model 203 With Engine 113.988 (1 Of 2)
The fuel tank is positioned at the frame floor ahead of the rear axle because of the through-loading facility (from trunk into passenger compartment).
Fig. 4: Identifying Fuel Tank Components - Model 203 With Engine 113.988 (2 Of 2)
Design
The fuel tank consists of two-layer plastic and is divided into two chambers due to the U-shaped recess clearance. The chambers are connected to each other.
Function
The fuel flows from the two-stage fuel pump (M3) into the fuel delivery module (88), out of the right fuel tank chamber, through the fuel pressure line (B) to the fuel filter with fuel pressure regulator (55/2) into the left fuel tank chamber.
A junction with the fuel pressure line (D) supplies the suction jet pump (95). A suction effect is produced in the suction jet pump which draws the fuel from the deepest point out of the left fuel tank chamber to the fuel delivery module.
(C).
Moreover excess fuel flows from the fuel pressure regulator to the fuel delivery module (A).
This ensures that the left fuel tank chamber is properly emptied.
The filtered fuel with controlled fuel pressure (to around 3.8 bar) is supplied to the engine (92) via the fuel pressure line (single-line system).
The housing of the fuel delivery module serves as a swirl pot. While cornering with a low level of fuel in the fuel tank, it prevents the fuel pump from drawing air.
A fuel strainer is installed as a coarse filter at the bottom in the fuel delivery module at the feed to the fuel pump.
Each fuel tank chamber has a fuel level sensor (B4/1, B4/2). Both resistance values are sent separately to the rear SAM control unit with fuse and relay module (N10/2).
FUEL TANK - COMPONENT DESCRIPTION - GF47.10-P-2000VB
MODEL 211 with ENGINE 272.922
MODEL 211 with ENGINE 272.943
MODEL 211 with ENGINE 272.944
MODEL 221 with ENGINE 272.946
MODEL 203, 209 with ENGINE 272.960
MODEL 211, 219 with ENGINE 272.964
MODEL 221 with ENGINE 272.965
MODEL 203 with ENGINE 272.970
MODEL 211 with ENGINE 272.972
MODEL 221 with ENGINE 272.975
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