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