I'm happy to introduce our latest tech articles for the W124 - this might be our most comprehensive series yet!

If you have any questions/suggestions please don't hesitate to add a comment at the end of an article - we're always looking for ways to improve and truly value the feedback!

View all W124 articles

Basics:

Jacking Up Your W124

Oil and Filter Change

Air Filter Replacement

Under Body Tray Removal

Battery Connection Notes Replacement

Engine:

MAF Sensor Replacement

Drive Belt Replacement

Idler Pulley Replacement

Resonance Valve Replacement

Camshaft Positioning Sensor

Oil Level Sensor Replacement

Drive Belt Tensioner Replacement

EGR Change Over Valve Replacement

Spark Plugs Coils and Wire Replacement

Crankshaft Positioning Sensor Replacement

Engine Mount Replacement

Oil Pressure Sender Replacement

Exhaust Gasket Replacement

Air Cross Over Pipe Removal

Intake Manifold Removal

Valve Cover Gasket Replacement

Setting Your Engine At TDC

Head Gasket Replacement

Timing Chain Tensioner Replacement

Oil Pan Gasket Replacement

Fuel Injection:

Intake Air Temperature Sensor

Throttle Body Cleaning Replacement

Fuel Pressure Regulator Replacement

Fuel Injector Replacement

Replacing Your Fuel Pumps

Replacing Your Fuel Filter

Oxygen Sensor Replacement

Transmission:

Automatic Transmission Fluid and Filter Change

Brakes:

ABS Relay and Pump Replacement

Front Brake Pad Replacement

Bleeding Brakes

Front Brake Caliper Replacement

Front Brake Rotor Replacement

Brake Line Replacement

ABS Sensor Replacement

Brake Booster Replacement

Rear Brake Pad Replacement

Parking Brake Adjustment

Replacing Your Parking Brakes

Rear Brake Caliper Replacement

Rear Rotors Replacement

Brake Light Switch Replacement

Brake Master Cylinder and Reservoir

Suspension:

Power Steering Filter and Flush

Tie Rod Replacement

Front Wheel Bearing Replacement

Front Struts and Springs Replacement

Front Wishbone Replacement

Steering Knuckle Replacement

Rear Multi Link Suspension

Replacing Your Differential Fluid

Front and Rear Flex Disc Replacement

Replacing Front Sway Bar Bushings

Rear Stabilizer Bar and Links Replacement

Axle Replacement

Rear Self Leveling Shock Replacement

Rear Spring Replacement

Rear Control Arm Bushing Replacement

Rear Leveling Unit Replacement

Rear Bearing Replacement

Rear Knuckle Removal

Cooling System:

Removing the Shroud and Fan

Coolant Flush and Replacement

Thermostat Replacement

Coolant Temperature Sensors Replacement

Radiator Replacement

Coolant Level Sensor Replacement

Coolant Expansion Tank Replacement

Coolant and Radiator Hose Replacement

Heater Valve Replacement

Windshield Washer Reservoir Pumps and Level Sender Replacement

Auxiliary Fan Replacement

Replacing Your Water Pump

Rear Washer Reservoir and Pump Replacement

Electrical:

Over Voltage Relay Replacement

Headlight Assembly and Bulb Replacement

Outside Air Temperature Sensor

Alternator Replacement

Voltage Regulator Replacement

Starter Replacement

Evaporator Air Temperature Sensor

Replacing Your HVAC Resistor

Cabin Filter Replacement

Mono-post Wiper Repair and Replacement

Power Antenna Replacement

Replacing Your Headlight Switch

Replacing Your Kick Down Switch

Steering Angle Sensor Replacement

Cruise Control Switch Replacement

Turn Signal Dimmer Wiper Switch Replacement

Power Seat Control Switch Replacement

Body & Interior:

Front Bumper Removal

Removing Your Radiator Grill and Badge

Wiper Blade Replacement

Blower Motor Replacement

Rear Bumper Removal

Climate Controls Removal

Radio Removal

Steering Wheel and Airbag Removal

Passenger Side Air Bag Removal

Center and Side Vent Removal

Instrument Cluster Removal

Hood Release Cable Replacement

Kick Panel Removal

Taillight Bulbs and Assembly Replacement

Wagon Third Brake Light Replacement

Hatch Panel Removal

Rear Wiper Relay Replacement

Rear Wiper Motor Replacement

Hatch Lock and Latch Replacement

Ignition Tumbler Replacement

Removing the Lower Dash

Replacing Your Accelerator Pedal

Seats Replacement

Front Door Panel Removal

Rear Door Panel Removal

Rear Window Regulator Replacement

Front Window Regulator Replacement

Exterior Door Handle and Tumbler Replacement

Front Door Latch and Vacuum Actuator Replacement

Door Stay Replacement

Rear Door Lock Replacement

Center Console Removal

Window Switch Replacement

Sunroof Motor and Relay Replacement

AC Compressor and Condenser Replacement

View all W124 articles