Segment:
Compact/Subcompact Executive Hatchback
Original Pricing Strategy:
Premium positioning within its segment, reflecting Mercedes-Benz brand heritage.
Key Competitors:
Volkswagen Golf, Ford Focus, Opel Astra, Honda Civic, Toyota Corolla.
Unique Selling Proposition:
Compact footprint with surprisingly spacious interior (due to sandwich floor construction), innovative safety features (e.g., 'Sandwich' floor concept for crash energy management), premium Mercedes-Benz build quality and brand cachet.
Platform Innovation:
Unique 'Sandwich' floor platform, placing the engine and transmission further forward and lower, improving packaging and crash safety.
Coverage Years:
1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
Estimated Pages:
Varies by specific manual, typically 1000+ for a comprehensive service manual.
Type:
Service and Repair Manual
Language:
English (assumed, primary language of common manuals)
Engine:
Detailed diagnostics, repair procedures, component identification, timing, fuel system, cooling system, lubrication.
Transmission:
Manual and automatic transmission service, repair, fluid specifications, clutch, torque converter, gear shift mechanisms.
Brakes:
ABS, EBD, hydraulic system, brake pad/disc replacement, caliper overhaul, parking brake.
Suspension:
Front and rear suspension components, shock absorbers, springs, control arms, wheel alignment.
Steering:
Power steering system, steering rack, column, tie rod ends, troubleshooting.
Electrical:
Wiring diagrams, battery, alternator, starter, lighting, power windows, central locking, fuse box, ECU.
Body And Chassis:
Body panel repair, door mechanisms, interior trim, chassis components, rust prevention.
HVAC:
Air conditioning system, heater core, blower motor, climate control, refrigerant.
Fuel System:
Fuel pump, injectors, fuel filter, fuel lines, high-pressure pump (CDI).
Exhaust:
Exhaust manifold, catalytic converter, muffler, pipes, emissions control.
Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement (if applicable), belt inspections.
Troubleshooting:
Diagnostic charts, symptom-based fault finding, common issues and their solutions.
Repair:
Step-by-step repair instructions for all major components and systems.
Overhaul:
Complete disassembly and reassembly procedures for engines and transmissions.
Diagnostics:
Use of diagnostic tools (OBD-II), sensor testing, ECU diagnostics.
Calibration:
Wheel alignment procedures, sensor calibration where applicable.
Depth:
Comprehensive: Covers routine maintenance to major component overhauls and advanced diagnostics.
Target Audience:
Professional mechanics and skilled DIY enthusiasts.
Engine Type:
Diesel (CDI - Common Rail Direct Injection)
Engine Model Identifier:
OM668 DE17 LA
Displacement:
1.7 Liters (1689 cc)
Aspiration:
Turbocharged and Intercooled
Horsepower Ps:
95 PS (approx. 94 bhp)
Torque Nm:
180 Nm (approx. 133 lb-ft)
Injection Type:
Common Rail Direct Injection (CDI)
Engine Oil Type Mb Approval:
MB 229.3 or MB 229.5 (Synthetic)
Engine Oil Capacity Liters:
4.5 Liters (with filter change)
Type:
5-speed Manual Transmission
Type:
5-speed Automatic Transmission (Optional)
Automatic Transmission Identifier:
Autotronic (Continuously Variable Transmission - CVT) was also an option on some W168 models, though less common on the A170 CDI, often associated with A160/A190 petrol variants. This manual likely covers the standard auto or manual.
Automatic Transmission Fluid Type:
MB 236.10 or MB 236.12 (Check specific model variant for exact spec)
Original Infotainment System:
Basic radio/cassette or optional CD player with basic speaker setup. Later models/options may include improved head units.
Display Type:
Small monochrome LCD screen for radio information.
Optional Systems:
Cruise control, parking sensors (rear only, usually).
Connectivity Features:
Limited by modern standards; likely analog phone integration options on higher trims.
Oil Service:
Every 15,000 - 20,000 km or 12 months (whichever comes first), dependent on driving conditions and oil used.
Air Filter Replacement:
Every 40,000 - 60,000 km or as per service indicator.
Fuel Filter Replacement:
Every 60,000 km for diesel models.
Coolant Change:
Every 2 years or 40,000 km (using Mercedes-Benz approved coolant).
Brake Fluid Type:
DOT 4 (MB 331.0)
Coolant Type:
Mercedes-Benz Coolant Antifreeze MB 325.0 (Blue)
Common Wear Items:
Shock absorbers, front control arm bushings, exhaust system components, glow plugs (diesel).
Potential Diesel Specific Issues:
Turbocharger issues (if maintenance neglected), injector seals, high-pressure fuel pump wear, EGR valve issues.
Electrical Quirks:
Occasional issues with window regulators, central locking actuators, and sensor failures.
Brand Legacy:
Mercedes-Benz, established reputation for engineering excellence, luxury, and safety.
W168 Introduction:
Launched in 1997 as Mercedes-Benz's entry into the compact car segment, a significant departure from their traditional larger luxury vehicles.
Facelift:
Received a facelift in 2001, with minor styling updates and improved equipment.
Production Years:
1997-2004
Manufacturing Locations:
Primarily Rastatt, Germany, and also Karmann in Osnabrück, Germany.
