Mercedes 107 123 124 126 129 140 201 1981-1993 Maintenance Manual

This manual is applicable to vehicles from model year 1981 to 1993, covering maintenance for the following models: 107, 123, 124, 126, 129, 140, 201. It is available in English and comprises 331 pages.

The benefit of having the repair manual in file format is the ability to quickly navigate to specific sections for the required information. Additionally, sections can be printed for reference at the workshop, allowing for notes to be made.

Contents:

• Inspecting component condition
• Inspecting condition of lines and hoses
• Inspecting components, lines, and hoses
• Suspension and body structure inspection
• Water leakage and corrosion inspection
• Engine oil and filter change
• Adjusting valve clearance
• Checking valve clearance
• Checking and adjusting idle speed
• Checking injection timing
• Adjusting injection timing
• Replacing fuel filter
• Replacing fuel prefilter
• Cleaning metal reinforced air filter element
• Replacing air filter element
• Checking condition and tension of V-belts
• Inspecting poly V-belt
• Checking intake & exhaust manifold seating
• Replacing oxygen sensor
• Check spark plugs, replace if necessary
• Replacing spark plugs
• Checking coolant level & antifreeze protection
• Checking cooling & heating system
• Replacing coolant
• Adjust engine stop, retorque engine mount bolts
• Checking clutch disk for wear
• Manual transmission oil change
• Manual transmission, checking & correcting oil level
• Automatic transmission fluid and filter change
• Automatic transmission, checking & correcting fluid level
• Transfer case fluid change
• Transfer case, checking & correcting fluid level
• Clutch system, checking & correcting fluid level
• Clutch system, inspect
• Inspecting & lubricating throttle linkage
• Checking and adjusting idle speed adjuster
• Level control, ADS, ASD, 4MATIC, fluid level
• Inspecting self-leveling suspension
• Front axle, checking & correcting oil level
• Checking front axle ball joints
• Checking ball joints using special tool
• Rear axle oil change
• Rear axle, checking & correcting oil level
• Rear axle mount, adjusting limiting stop
• Inspecting & rotating wheels
• Inspecting tires
• Correcting tire pressure
• Tightening wheel bolts
• Inspecting drive shaft flexible coupling
• Checking brake fluid level
• Inspecting brake lines
• Checking brake pads & disk thickness
• Inspecting & cleaning brake disks
• Inspecting parking brake cable
• Adjusting parking brake
• Replacing brake fluid
• Brake test, parking brake check
• Check power steering fluid level
• Checking steering play
• Retightening steering bolts
• Checking fuel system condition
• Retightening exhaust flange
• Retightening exhaust system connections
• Checking & correcting battery fluid level
• Checking warning & indicator lamps
• Cleaning water drains
• Removing and installing engine compartment lower panel
• Lubricating door hinges
• Lubricating door locks
• Hydraulic top, checking & correcting fluid level
• Sunroof, clean & grease rails
• Soft top, checking locking tabs
• Checking & correcting windshield washer fluid level
• Cleaning cassette deck tone head
• Cleaning antenna mast
• Headlamp & exterior lamp inspection
• Windshield & headlamp wiper & washer inspection
• Replacing windshield wiper blade
• Checking & correcting AC refrigerant charge
• Replacing dust filter for heating & ventilation
• Replacing active charcoal filter
• Replacing recirculating air filter
• Lubricating folding side mirror
• Lubricating hood
• Inspecting safety belts
• Backrest lock - check operation
• Removing & installing lower noise encapsulation panels
• Checking body for paint damage