Segment:
Executive / Luxury Mid-size Sedan and Wagon
Target Audience:
Discerning buyers seeking comfort, safety, performance, and advanced engineering.
Key Competitors:
BMW 5 Series (E39), Audi A6 (C5), Lexus GS300/GS400 (JZS160/UZS160), Volvo S80
Design Philosophy:
Elegant styling, refined interior, emphasis on safety and comfort.
Technological Advancements:
Introduction of advanced electronic systems, including ESP, advanced airbag systems, and early adoption of Common Rail Direct Injection (CDI) in diesel engines.
Benefit To Owner:
Empowers owners and independent mechanics with the knowledge to perform accurate diagnostics, maintenance, and repairs, potentially saving significant costs and ensuring proper vehicle upkeep.
Engine:
All gasoline and diesel engine variants, including: M111 (2.0L, 2.3L I4), M104 (2.8L, 3.2L I6), M119 (4.2L, 5.0L V8), M112 (2.4L, 2.6L, 2.8L, 3.2L V6), M113 (4.3L, 5.0L V8), OM60x (Diesel I4/I5/I6), OM611 (2.2L CDI I4), OM612 (2.7L CDI I5), OM613 (3.2L CDI I6)
Transmission:
Automatic Transmissions (e.g., 722.4, 722.6 - NAG1), Manual Transmissions (where applicable)
Drivetrain:
Rear-wheel drive (RWD), 4MATIC all-wheel drive (AWD) systems
Suspension:
Front Independent Suspension (McPherson struts, multi-link), Rear Independent Suspension (multi-link), ADS (Active Dampening System) where fitted
Brakes:
Front and Rear Disc Brakes, ABS (Anti-lock Braking System), ESP (Electronic Stability Program), Brake Assist
Steering:
Power assisted steering systems, Steering column adjustments
Electrical:
Complete wiring diagrams, Lighting systems, Ignition system, Charging system (alternator, battery), Starter system, ECU (Engine Control Unit) and sensors, Body Control Module (BCM), CAN bus communication, Audio systems, Power accessories (windows, locks, seats, mirrors, sunroof)
Bodywork:
Exterior body panels, Doors, Hood, Trunk, Bumpers, Glass, Seals, Interior trim, Upholstery, Climate control system (HVAC), Airbag systems (SRS)
Maintenance:
Scheduled maintenance (oil changes, filter replacements, spark plugs, belts), Inspections, Fluid level checks and top-offs
Repair:
Engine component repair (e.g., cylinder head, pistons, crankshaft), Transmission overhaul and repair, Suspension component replacement (shocks, struts, control arms), Brake system repair (calipers, rotors, lines), Electrical component diagnosis and replacement, Body panel repair and replacement, HVAC system repair
Diagnostics:
Troubleshooting guides, Diagnostic trouble codes (DTCs) explanation, Sensor testing, Actuator testing, Flow charts
Adjustments:
Valve adjustments (where applicable), Idle speed adjustments, Clutch adjustments (manual transmission)
Installation:
Component installation and replacement (e.g., starter, alternator, water pump, fuel pump)
Depth:
Comprehensive, from basic maintenance and troubleshooting to detailed engine and transmission rebuilds, including wiring diagrams and specifications.
Engine Code Examples:
M111, M104, M112, M119, OM60x, OM611, OM612, OM613
Configuration:
Inline-4, Inline-6, V6, V8 (Gasoline and Diesel)
Horsepower Range:
Approx. 120 hp (diesel) to 322 hp (V8 gasoline)
Torque Range:
Approx. 177 lb-ft (diesel) to 354 lb-ft (V8 gasoline)
Gasoline:
Electronic Fuel Injection (EFI) with KE-Jetronic (early models) and Electronic Ignition and Fuel Injection (EIS/EFI)
Diesel:
Indirect Injection (IDI) and Common Rail Direct Injection (CDI)
Configuration:
SOHC (Single Overhead Camshaft) and DOHC (Double Overhead Camshaft) with 2 or 4 valves per cylinder
Type:
Pressurized liquid cooling system
Transmission Type:
Varies by model; typically 5-speed Automatic (722.6 NAG1) or 5/6-speed Manual
Transmission Type:
4MATIC All-Wheel Drive system
Automatic Modes:
Comfort (C) and Sport (S) modes on 722.6 transmission
Automatic Transmission Fluid:
MB 236.10, MB 236.12, or equivalent (e.g., ATF 3, ATF 3+)
Automatic Transmission Fill Capacity:
Approx. 7.5 - 9.5 liters (check specific model)
NHTSA Ratings:
Achieved 4-star frontal crash test ratings in early assessments. Specific ratings vary by model year and testing agency.
Electronic Stability Program:
ESP (standard on many later models)
Antilock Braking System:
ABS (standard)
Brake Assist:
BAS (standard on many later models)
Airbags:
Frontal airbags (driver and passenger), Optional side airbags, Optional window airbags
Seatbelts:
Pre-tensioning front seat belts, Force limiters
Crumple Zones:
Engineered front and rear crumple zones for impact energy absorption.
Head Unit:
COMAND (Cockpit Management and Navigation Display) optional on later models, offering CD player, radio, navigation, and auxiliary input.
Audio System:
Optional Bose premium sound system available.
Cruise Control:
Standard cruise control, optional DISTRONIC (adaptive cruise control) on some high-spec models.
Parking Assist:
Optional front and rear parking sensors (PARKTRONIC).
Cellular Integration:
Optional factory installed cellular phone integration and hands-free systems.
Headlights:
Halogen standard, optional Bi-Xenon HID headlights on later models. Unique 'four-eyed' design.
Oil Change Interval:
Typically every 10,000 - 15,000 miles or 12-24 months (depending on oil type and driving conditions), as indicated by the 'Service A' or 'Service B' indicators on the dashboard.
Major Service Items:
Spark plug replacement (e.g., every 60,000-100,000 miles for iridium plugs), Coolant flush (e.g., every 30,000-60,000 miles), Transmission fluid and filter change (e.g., every 40,000-60,000 miles, especially for 722.6)
Engine Oil:
API SL/SM or ACEA A3/B4, SAE 0W-30, 5W-40 or 10W-40 (check owner's manual for specific viscosity based on temperature and engine type). MB-Approval 229.5 or 229.3
Coolant:
MB 325.0, MB 325.5, or MB 326.0 (Ethylene Glycol based, often blue or green color). Mix 50/50 with distilled water.
Brake Fluid:
DOT 3 or DOT 4 (ISO Class 6)
Power Steering Fluid:
MB 236.3 (Dexron III or equivalent)
Common Problems:
Mass Air Flow (MAF) sensor failure, Ignition coil failure, Crankshaft position sensor failure, ABS/ESP module failure, Corroded wiring harnesses (particularly in engine bay), Biodegradable insulation on wiring harnesses (especially on pre-facelift models), Suspension component wear (bushings, ball joints), Cooling system leaks (hose clamps, radiator, water pump), SRS warning light issues (seat occupancy sensor, wiring), Rust (wheel arches, rocker panels, door bottoms, especially on older vehicles).
Diesel Specific Issues:
Glow plug issues, Injector seal leaks, EGR valve clogging, Turbocharger issues (variable geometry on later models).
Legacy:
Mercedes-Benz has a long-standing reputation for building durable, luxurious, and technologically advanced vehicles, particularly in the executive sedan segment.
W210 Introduction:
Introduced in 1995 as the successor to the W124 E-Class, the W210 marked a significant departure in styling with its distinctive 'four-eyed' quad headlamp design.
Facelift:
Received a significant facelift in 1999, featuring updated front and rear styling, improved interior materials, and revised engine options, including the introduction of the V6 (M112) and V8 (M113) engines and CDI diesels.
Production Period:
1995-2002
Assembly Plants:
Sindelfingen, Germany; Bremen, Germany; East London, South Africa; Graz, Austria (Magna Steyr)