1988-1989 Mercedes-Benz 300CE (W124) 3.0L Service & Repair Manual

Mercedes Benz Model 124 - M103 Maintenance Manuals http://w124-zone.com/downloads/MB%20CD/W124/Index/103index.html[10/15/2011 3:08:40 PM] Mercedes Benz Model 124 - M103 Maintenance Manuals 260E 300CE 300E 300TE 300E 4MATIC 300TE 4MATIC 1987-92 1988-89 1986-92 1988-89 1990-93 1990-93 124.026 124.050 124.030 124.090 124.230 124.290 103.940 103.983 103.983 103.983 103.985 103.985 2.6 Liter 3 Liter 3 Liter 3 Liter 3 Liter 3 Liter Service Intro - Model Year 1992, Model 124 (USA), Introduction into Service 00 - Maintenance Procedures, Identification and Owner's Manuals 01 - Engine, removal and installation; Crankcase, Cylinder Head, Engine Breathing 03 - Crank Assembly 05 - Engine, Camshaft and Valve Train 07 - Mechanical/Electronic Gasoline Injection System (KE Injection) 09 - Air Cleaner 13 - Accessory Belt 14 - Intake Manifold, Exhaust Manifold, Emissions Control System 15 - Engine Electrical System (Ignition System) 18 - Engine Lubrication, Engine Oil Cooler 20 - Cooling System 22 - Engine Mounts 24 - Electrical Troubleshooting 27 - Transmission 28 - Transfer Case (4MATIC) 30 - Acceleration Control System 31 - Hitching Mechanism 32 - Suspension 33 - Front Axle 35 - Rear Axle 40 - Wheels, Chassis Measurements 41 - Propeller Shaft 42 - Brake - Hydraulical and Mechanical System 43 - Brake - Pneumatic System 46 - Steering System 47 - Fuel System 49 - Exhaust System 54 - Chassis Electrical, Instruments

Mercedes Benz Model 124 - M103 Maintenance Manuals http://w124-zone.com/downloads/MB%20CD/W124/Index/103index.html[10/15/2011 3:08:40 PM] 60 - Body Shell 67 - Windows 68 - Interior Equipment 72 - Doors 77 - Roofs 80 - Central Locking System 82 - Lights, Wipers, Radio, Antenna, Misc Body Electrics 83 - Climate Control System 86 - Special Equipment 88 - Body Panels and Bumpers 91 - Seats and Restraints 94 - Body Noises 97 - Preservation Technical Modifications M103 Program Repairs M103 Modification Notes M103 Misc Reference Articles Copyright © 2003-2008 Steve Nervig. All Rights Reserved

Mercedes Benz Senice Model Year1992 @ Modefs 124, 129,201 Inlroduction into service Mercedes-Benz of North America, Inc.

Preface Th s nlroducton ttanua s nlended to farn larze yolr w th the techn cal chanqes for Mode Year 1992 Th s manua covers mociels 124 129 an.: 201,afd Sporlrremodels 300 E. 300 CE and 190 E 2.6 Coverage of mode s .100 E ar)d 500 E s contalled n the ntroductton l,4anual Mode Yeart9S2 @ N,4ode s 124.03,1 036 (400E 500 E) Coverage oi mode 140 nlroduct on fManuai Model Y-oar Mode 140 s conlarned In the 1ss2 '!D Untr the atestrepa r nstruct Ons are avalable of m crolche th s nlrodLrct on lvlarual can be Lrsed by i\rlercedes-Benz scrlice p{]rsofne lo rarn ar le thertse vos w th rnporlant tecfrfrcal dela s 10periorm rna nlenarrce and repafs orl lhe above lvlode Year1992 vehc es A I other repar fslructoos adluslmentva!es ano marntefance lolrs ,rot rsted herecan be lound n exst ng techn cal teralure. Mercedes Eefz Akt engesetschalt Vertr eb Personenwagen Febr!ary 1992

Table of contents Vehicleand component idenrification 1 Drivetrain Technical highlights 6 27 Automatic transmission De eton of secofdary pump .19 Engines 102, 103, 104, 119 CIS-E Upsh f1 deay . . 5t 07.3 CIS-Egasoline injection system l,4odil catrons compared to Fu€lpump packaqe enqlfe 102.985 35 Rear axle General ntormaton .. .. 51 Gparsel and rear a. e shall . . a4 8 46 Steering Stcorngwhee (140 desqnl 55 I 54 Elecirical system - equipmentand instruments 10 nstrument c uster 55 l0 Sportilne(models 124.030/051,201.029) General lnlormation 32 Suspension 56 f,'lodlcatons .. 56 Testand adlLrstmenl data 57 40 Wheels. wheel alignmenl whae s Whee a gfrn€ni Eallery vo taqe-dependeft d e enqne 119 n nrode 129 Transm ss on upsh ft delay enqrnes 102 103.104 119 Funcl on I agrarn. transrn ss on upshftdeay ... lransmssron Lrpsh ft de ay test 12 14 Emissioncontrol system a- <on<., ,-. r.a,n., L, '.-i.r lCa rforf a o.|,r' ) Engine 602.962 07.1 Diesel intectionsystem 59 6r Genera niormal on r6 Fuel nlect on system componenls 16 46 Steefing Testand adlustmert !a Lres 17 Cfossrel€rence, mode steer ng Eleclron c dese system (EDSI 17 eear 62 Funclondagrarn EDS 19 Sreerng,,!hee 11,10desgn) 62 Component ocat orrs 2A E ectron c rdle speedconlro (ELR) 22 S1 Seats Exhaust gas rec rc! atron (EGR) 23 Sporl4-pace seatrng 63 Boost pressLrre conlro (P2.contro ) 24 Syslem draqnosl cs 25 Component operal on 25 Vacuum ne layout 30 Eectrc wrfq dagram 31 Eleclrof o d ese systern (EDS) lesl 32 - '.,!n r..n !!, !:t,..:i !.::r ,? 1,

Vehicle and component identification Vehicle identificarion 1992 @ 124.0 1 29.06 1 129.066 140.0 140.032 140.042 140.051 140.057 140 140.1 140. 134 201 .028 201 .029 Models Indrcaled n bold typo are covered in separate lntroduction l\,4anua s. 124.026 124.030 124.034 124.036 124.051 124.090 124.128 124.230 124.290 300 E 2.6 300 E 400 E 500 E 3OO CE 3OO TE 3OO D 2.5IURBO 300E 4tvtATrc 3OO TE 4IV1ATIC 3OO SL 5OO SL 3OO SE 4OO SE 500 sEL 600SEL 3OO SD TURBO 190E 2.3 129 201 & Mode Year rggz @ Models 124 1zs 2a1 190E 2.6

Vehicle and component identification Component identification 1 992 Qsr) Salesdesignation Model Eng ine Manual transmission Automatic Power transmrssron sleenng 190 E 2.3 201.028 102.985 717.413 722.408 765.903 190E 2.6 201.029 103.942 717.432 722.409 765.903 3OO D 2.5TURBO 124.128 602.962 722.418 765.904 300 E 2.6 124.Q26 103.940 722.409 765.904 300 E 124.030 103.983 722.358 765.904 400 E 124.034 119.975 722.354 765.921 500E 124.036 119.97 4 722.365 765.921 300 cE 124.051 104.980 722.359 765.908 3OO TE 124.090 103.983 722.358 765.904 3OO E 4N1ATIC 124.230 103.985 722.342 765.906 3OO TE 4IV1ATIC 124.290 103.985 722.342 765.906 3OO SD TT]RBO 140.134 603.971 722.367 765.940 3OO SE 140.A32 104.990 722.502 765.940 4OO SE 140.042 119.971 722.366 765.940 5OO SEL 1 40.051 119.970 722.370 765.940 600 SEL 140.057 120.980 722.362 765.940 3OO SL 1 29.0 61 722.500 765.907 104.981 5OO SL 1 29.0 66 119.960 722.353 765.925 * v. rF ,"", ssr@roo"', 124 2s /al

Vehicle identification Vehicle identiflcation number (VlN) The following information is encodedinto the VIN: Manufacturer, model,restraint system,modelyear, manufacturing plantand chassis end number Example, model 300E: WDBEA30DXLBt234S6 123456 Manufacturer I/odel D = 201, E = 124,F = 129, c = 140 Engine type A= Gasoline, B= Diesel, D =4MAT|C N,4odel deslgnation 124.030 Restraint system D = Seat belts + E = Seat belts r SRS with driverairbag SRS with driverand front passenger airbag Checkdigit [/odel year M= 1991, N = 1992 Manufacturing plant ') A - E=Sindelfingen F-H=Bremen Chassis endnumber 1) Manulacturng plant etter mustbe specrfied withthe end nurnber because sirnultaneous produclron at bothoJanls rnavrrean the sarneend numberdrgilsare assigned to two cars. WDB € Moder Year ,SSZ @ UoO"t. 124. 12g.zO1

Vehicle identif ication Enginefamily designations The emission control systeminformation plateattached to the radiator crossmember also shows the engine family designation. The engine family designation identifies modelyear, piston displacement, version, etc. (see example on next page). Designations Engine tamrly Version ' L4odel Vehicle salesdesronatron NMB 2.3 V 6 F A 19 A NN4B 3.0 V 6 F A 1X 2) A N[,48 3.0 V 6 F A 1X 2) A NIVB3.OV6FA IX A NN/B3.OV6FA20 A Nl\,48 3.0 V6 F A lX A NIV1B 2.5 D 9 J F 11 F NMB 3.0 V 6 F A lX A NIV1B3.OV6FAIX A Nl\ilB3.0VOFA31 A NMB 5.0 V 6 F A 14 A 201 .028 190 E 2.3 2A1 .029 190 E 2.6 124.026 300 E 2.6 124.030 300 E 124.051 300 cE 124.090 300 TE 124.128 300 D 2.5 TURBO 124.230 300 E 4lvlATlC 124.290 300 TE 4MAT|C 129.061 300 SL '129.066 500 sL 1) A=Al1 50 states (nclLrdLng Caifornra) F = Federal only (not rncluding Ca rlorn a) 2) Forcertrfrcaton reasons, all 103.94 engnesfall ntothe3.0 lterengrne lamrly, even I the dispacement equals only 2.6 liters (190 E 2.6 and 300 E 2.6). ff Model Yea' ,ega @,'lo,l". 124 12g 2a1

Vehicle identif ication Example: NN/B 3.0 V 6 F A 1X N4odel year: M = 1991, N=1992,etc. l\4anufacturer code: N4ercedes-Benz Piston drsplacement: i.e.: 3.0 liter Vehicle class: V = Passenger car withgasoline engine D = Passenger car with diesel engine Typelf fuel delivery: 5 = electronic injection (LH) 6 = mechanical injectron 9 = mechanrcal injection with turbocharger Type of catalyst: F = 3-waycatalyst with lambda control J = no cataiyst (diesel) For manufacturer's use: A = AII50 states F = Federal Used by manufacturer for certitication purposes Check digit rvB 3.0 i5 Model Year , nn, @ l,lo,tot. 124 12g. zO1

1988-1989 Mercedes-Benz 300CE (W124) 3.0L Service & Repair Manual

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