SynopsisEach Haynes manual is written for the do-it-yourselfer and provides step-by-step instructions based on a complete disassembly of the vehicle. This hands-on experience provides the reader with specific and detailed instructions for performing everything from basic maintenance and troubleshooting to a complete engine overhaul. The models and model years covered in this title are as follows: Mercedes-Benz Diesel 123 Series for 200D, 220D, 240D, 240TD, 300D, 300CD, 300TD models, designated W123 Series 4-cyl & 5-cyl inc. turbo-diesel (1976-1985) This Haynes automotive repair manual includes 700+ photos and the following chapters: Introduction Chapter 1: Routine Maintenance Chapter 2: Part A: Engine Chapter 2: Part B: General engine overhaul procedures Chapter 3: Cooling, heating and air conditioning systems Chapter 4: Part A: Fuel and exhaust systems Chapter 4: Part B: Turbocharger Chapter 5: Engine electrical systems Chapter 6: Emissions control systems Chapter 7: Manual and automatic transmission Chapter 8: Clutch and driveline Chapter 9: Brakes Chapter 10: Suspension and steering systems Chapter 11: Body Chapter 12: Chassis electrical system Wiring Diagrams, Total Car Care is the most complete, step-by-step automotive repair manual you'll ever use. All repair procedures are supported by detailed specifications, exploded views, and photographs. From the simplest repair procedure to the most complex, trust Chilton's Total Car Care to give you everything you need to do the job. Save time and money by doing it yourself, with the confidence only a Chilton Repair Manual can provide., Complete step-by-step repair and maintenance information, 700+ photos, and wiring diagrams all based on a full disassembly and reassembly of the vehicle., With a Haynes manual, you can do it yourself...from simple maintenance to basic repairs. Haynes writes every book based on a complete teardown of the vehicle. We learn the best ways to do a job and that makes it quicker, easier and cheaper for you. Our books have clear instructions and plenty of photographs that show each step. Whether you're a beginner or a pro, you can save big with Haynes - Step-by-step procedures - Easy-to-follow photos - Complete troubleshooting section - Valuable short cuts - Color spark plug diagnosis Complete coverage for your Mercedes-Benz Diesel 123 Series covering all 200D 220D, 240D, 240TD, 300D, 300CD, 300TD models, designated W123 Series 4-cyl & 5-cyl including turbo-diesel (1976 thru 1985): - Routine Maintenance - Tune-up procedures - Engine repair - Cooling and heating - Air Conditioning - Fuel and exhaust - Emissions control - Ignition - Brakes - Suspension and steering - Electrical systems - Wiring diagrams, Haynes disassembles every subject vehicle and documents every step with thorough instructions and clear photos. Haynes repair manuals are used by the pros, but written for the do-it-yourselfer.