1999 Mercedes-Benz E320 Service & Repair Manual

1998-2002 STEERING Electronic Power Steering - 210 Chassis (With 4MATIC) MODEL IDENTIFICATION MODEL IDENTIFICATION (1998-1999) MODEL IDENTIFICATION (2000-02) PRODUCTION DATE INFORMATION WARNING: Vehicle is equipped with Supplemental Inflatable Restraint (SIR) system. When servicing vehicle, use care to avoid accidental air bag deployment. SIR system-related components are located in various locations throughout interior of vehicle, depending on application. Do not use electrical test equipment on or near these circuits. If necessary, deactivate SIR system before servicing components. See AIR BAG SAFETY PRECAUTIONS and DISABLING & ACTIVATING AIR BAG SYSTEM in AIR BAG RESTRAINT SYSTEMS article. CAUTION: When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery. CAUTION: Vehicles equipped with coded radios are susceptible to damage when battery is disconnected. Ensure ignition switch is in OFF position and radio is turned off before disconnecting battery. Have radio code available when disconnecting battery or removing radio. For coding procedures, see COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION. Model Chassis Engine E320 (Sedan) 210.082 112.941 E320 (Wagon) 210.282 112.941 Model Chassis Engine E320 (Sedan) 210.082 112.941 E320 (Wagon) 210.082 112.941 E430 210.083 113.94 NOTE: Diagnostic information is divided by vehicle production date breaks. Ensure diagnostic information being used applies to vehicle being diagnosed. The following production date breaks are used in this diagnostic information. 2000 Mercedes-Benz E320 4Matic 1998-2002 STEERING Electronic Power Steering - 210 Chassis (With 4MATIC) 2000 Mercedes-Benz E320 4Matic 1998-2002 STEERING Electronic Power Steering - 210 Chassis (With 4MATIC)

This article covers 210 chassis (with 4MATIC) from June Of 1998 to December of 2002. DESCRIPTION & OPERATION COMPONENT LOCATIONS (SECTION 21) COMPONENT LOCATIONS Fig. 1: Identifying Component Locations Courtesy of MERCEDES-BENZ OF NORTH AMERICA. NOTE: Vehicles may be equipped with Anti-Lock Braking System (ABS), Acceleration Slip Regulation (ASR), Electronic Traction System (ETS), Electronic Stability Program (ESP) and Speed-Sensitive Power Steering (SPS) systems. Component See ABS MIL (A1e17) Fig. 1 ASR/ETS/ESP Hydraulic Unit (A7/3) Fig. 1 BAS/ETS MIL (A1e49) Fig. 1 Data Link Connector (DTC Readout) (X11/4) Fig. 1 Driver Side Fuse & Relay Module Box (K40/2) Fig. 1 ETS/SPS Control Module (N47-2) Fig. 1 ETS Warning Lamp (A1e36) Fig. 1 Left Front Axle VSS Sensor (L6/1) Fig. 1 Left Rear Axle VSS Sensor (L6/3) Fig. 1 Parking Brake Switch (S12) Fig. 1 Passenger Side Fuse & Relay Module Box (K40/4) Fig. 1 Right Front Axle VSS Sensor (L6/2) Fig. 1 Right Rear Axle VSS Sensor (L6/4) Fig. 1 Stop Lamp Switch (4 Pole) (S9/1) Fig. 1 2000 Mercedes-Benz E320 4Matic 1998-2002 STEERING Electronic Power Steering - 210 Chassis (With 4MATIC)

USING DIAGNOSTIC CHARTS Use following illustrations to understand diagnostic charts and identify symbols used. See Fig. 2 - Fig. 4 . Fig. 2: Identifying Symbols Courtesy of DAIMLERCHRYSLER CORPORATION 2000 Mercedes-Benz E320 4Matic 1998-2002 STEERING Electronic Power Steering - 210 Chassis (With 4MATIC)

Fig. 3: Using Diagnostic Charts (1 Of 2) Courtesy of DAIMLERCHRYSLER CORPORATION 2000 Mercedes-Benz E320 4Matic 1998-2002 STEERING Electronic Power Steering - 210 Chassis (With 4MATIC)

Fig. 4: Using Diagnostic Charts (2 Of 2) Courtesy of DAIMLERCHRYSLER CORPORATION PROGRAMMING ACTIVATING STEERING ANGLE SENSOR In the event that power supply is interrupted to steering angel sensor, PML control module switches to basic function mode. Malfunction Indicator Light (MIL) in instrument cluster may illuminate. At this point steering NOTE: For activating and initializing steering angle sensor, use the same procedure. 2000 Mercedes-Benz E320 4Matic 1998-2002 STEERING Electronic Power Steering - 210 Chassis (With 4MATIC)

angle sensor must be reactivated. To activate steering angle sensor follow listed steps:  Start engine and allow to idle.  Turn steering wheel from lock to lock.  MIL should go out. If MIL remains on, see SELF - DIAGNOSTIC SYSTEM (SECTION 11) . TROUBLE SHOOTING SYMPTOM INDEX Use symptom index to determine which system tests to perform. See Fig. 5 . Fig. 5: Identifying Symptom Index Courtesy of MERCEDES-BENZ OF NORTH AMERICA. SELF-DIAGNOSTIC SYSTEM (SECTION 11) READING & CLEARING DIAGNOSTIC TROUBLE CODES Connect HHT according to connection diagram. See Fig. 6 - Fig. 7 . 2000 Mercedes-Benz E320 4Matic 1998-2002 STEERING Electronic Power Steering - 210 Chassis (With 4MATIC)

2000 Mercedes-Benz E320 4Matic 1998-2002 STEERING Electronic Power Steering - 210 Chassis (With 4MATIC)

Fig. 6: Hand Held Tester Connection Diagram For 16 - Pole Data Link Connector Courtesy of MERCEDES-BENZ OF NORTH AMERICA. Fig. 7: Hand Held Tester Connection Diagram For 38 - Pole Data Link Connector Courtesy of MERCEDES-BENZ OF NORTH AMERICA. Reading Diagnostic Trouble Code Memory NOTE: Reading DTC memory can only be done with HHT scan tool. It is important to read out the DTC's from the BAS system first, since the DTC's from the other systems are stored in BAS during the diagnostic process. 2000 Mercedes-Benz E320 4Matic 1998-2002 STEERING Electronic Power Steering - 210 Chassis (With 4MATIC)

 Turn ignition ON.  Press start button for 2-4 seconds.  Read and record diagnostic trouble codes for the BAS, ETS, ME and ETC systems.  Press start button again for 2-4 seconds.  Read and record diagnostic trouble code. Repeat listed steps until first diagnostic trouble code reappears.  Perform actual/nominal value comparisons.  Perform activations.  Follow up and repair displayed DTC's.  After successful repairs, erase all DTC's. See CLEARING DIAGNOSTIC TROUBLE CODES . Clearing Diagnostic Trouble Codes  Press start button for 2-4 seconds.  Wait 3 seconds, then press start button for 6-8 seconds, thereby erasing the previously displayed diagnostic trouble code from memory.  Each stored diagnostic trouble code must be erased individually. DIAGNOSTIC TROUBLE CODE DEFINITIONS (SECTION 12) DIAGNOSTIC TROUBLE CODE DEFINITIONS NOTE: Erasing of stored diagnostic trouble codes must begin within 20 seconds of reading the diagnostic trouble code. After 20 seconds, the diagnostic trouble code can no longer be erased. Erasing procedure can be restarted by performing diagnostic trouble code memory readout after the fault is again displayed. NOTE: For aid in using diagnostic charts, see USING DIAGNOSTIC CHARTS . Hand Held Tester Component Or System See - No Fault In System Fig. 8 C 1000 ETS/SPS Control Module (N47-2) Fig. 8 C 1010 Battery Voltage Too Low, Circuit 87 Fig. 8 C 1011 Voltage Supply for ASR/ETS/ESP Hydraulic Unit (A7/3) Solenoid Valves, Short/Open Circuit Fig. 8 C 1012 Battery Voltage Too High, Circuit 87 Fig. 8 C 1020 CAN Communication Overall Faulty Fig. 8 C 1021 CAN Communication With EA/CC/ISC Control Module (N4/1) Interrupted Fig. 8 C 1022 CAN Communication With Engine Control Fig. 8 2000 Mercedes-Benz E320 4Matic 1998-2002 STEERING Electronic Power Steering - 210 Chassis (With 4MATIC)

Module (ME-SFI) (N3/10) Interrupted C 1024 CAN Communication With Transmission Control Module (N15/3) Interrupted Fig. 8 C 1100 Left Front Axle VSS Sensor (L6/1) Open Circuit, Loose Connection Or Implausible Fig. 8 C 1101 Right Front Axle VSS Sensor (L6/2) Open Circuit, Loose Connection Or Implausible Fig. 8 C 1102 Left Rear Axle VSS Sensor (L6/3) Open Circuit, Loose Connection Or Implausible Fig. 8 C 1103 Right Rear Axle VSS Sensor (L6/4) Open Circuit, Loose Connection Or Implausible Fig. 8 C 1104 Left Front Axle VSS Sensor (L6/1) Implausible Fig. 8 C 1105 Right Front Axle VSS Sensor (L6/2) Implausible Fig. 8 C 1106 Left Rear Axle VSS Sensor (L6/3) Implausible Fig. 8 C 1107 Right Rear Axle VSS Sensor (L6/4) Implausible Fig. 8 C 1200 Stop Lamp Switch (S9/1) Short/Open Circuit Or Implausible Fig. 8 C 1300 Left Front Axle Solenoid Valve (Hold) (A7/3y6) Short/Open Circuit Fig. 8 C 1301 Left Front Axle Solenoid Valve (Release) (A7/3y7) Short/Open Circuit Fig. 9 C 1302 Right Front Axle Solenoid Valve (Hold) (A7/3y8) Short/Open Circuit Fig. 9 C 1303 Right Front Axle Solenoid Valve (Release) (A7/3y9) Short/Open Circuit Fig. 9 C 1304 Left Rear Axle Solenoid Valve (Hold) (A7/3y10) Short/Open Circuit Fig. 9 C 1305 Left Rear Axle Solenoid Valve (Release) (A7/3y11) Short/Open Circuit Fig. 9 C 1306 Right Rear Axle Solenoid Valve (Hold) (A7/3y12) Short/Open Circuit Fig. 9 C 1307 Right Rear Axle Solenoid Valve (Release) (A7/3y13) Short/Open Circuit Fig. 9 C 1310 Front Axle Switchover Valve (A7/3y18) Short/Open Circuit Fig. 9 C 1311 Rear Axle Switchover Valve (A7/3y19) Short/Open Circuit Fig. 9 C 1313 Solenoid Valve Relay (A7/3k1) Fig. 9 C 1314 Solenoid Valve Relay (A7/3k1) Voltage Supply Fig. 9 C 1315 Rear Axle Inlet Solenoid Valve (A7/3y23) Fig. 9 C 1342 Front Axle Inlet Solenoid Valve (A7/3y22) Fig. 9 C 1401 High Pressure Return Pump (A7/3m1) Short/Open Circuit Or Will Not Shut Off Fig. 9 2000 Mercedes-Benz E320 4Matic 1998-2002 STEERING Electronic Power Steering - 210 Chassis (With 4MATIC)

1999 Mercedes-Benz E320 Service & Repair Manual

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