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Details

Year 1987
Make Mercedes-Benz
Model 300 SDL
VIN WDBCB25D8HA278597
Purchased date 08 June 2024
Purchase miles 341,430
CARFAX click here (pulled 17 June 2024)
Option sheet click here (courtesy of lastvin.com)

Service history

I did all of the work myself unless specified. New genuine Mercedes-Benz replacement parts used unless specified.

2025/10/26 (343,063 miles)

  • Replaced AC compressor and receiver drier
    • AC compressor 000-230-24-11 (Denso)
    • Receiver drier 126-830-03-83 (Rein)
    • Refrigerant temperature sensor 004-820-68-10 (Mahle)
    • Pressure sensor 124-820-83-10 (Four Seasons)

2025/10/10 (343,058 miles)

2025/08/29 (343,055 miles)

  • Replaced viscous fan clutch
    • Removed good working Mercedes-Benz branded part
    • Replaced with new part 606-200-00-22 (Febi-Bilstein)

2025/05/31 (342,993 miles)

  • Fix oil leak on intake manifold
    • Torqued #6 injector to 78nm
    • Replaced intake manifold 603-090-03-37 (used part)
    • Intake manifold gasket 603-141-08-80 (VictorReinz)
  • Replaced fuel line brackets
    • Bracket for hard lines 1/2/3 601-078-19-41
    • 3x Individual bracket hard lines 601-078-18-41

2025/05/31 (342,958 miles)

  • Drove car hard ~250 miles (Italian tuneup)
  • Passed emissions testing
    • Opacity standard: 20
    • Opacity reading: 4.0

2025/05/17 (342,687 miles)

  • Drove car hard ~60 miles (Italian tuneup)
  • Replaced accelerator pedal 126-300-05-04 (used part)
  • Failed emissions testing
    • Opacity standard: 20
    • Opacity reading: 41.2

2025/05/08 (342,614 miles)

  • Found/fixed vacuum line mixup between Y31 and Y31/1
  • Failed emissions testing
    • Opacity standard: 20
    • Opacity reading: 52.1

2025/05/03 (342,614 miles)

  • Failed emissions testing
    • Opacity standard: 20
    • Opacity reading: 73.1

2025/03/29 (342,577 miles)

  • Replaced turn signal stalk 126-545-31-24 (Hamburg-Technic)
  • Replaced dead pedal / foot rest 126-688-11-06 (used part from 1990 560SEL)
  • Checked vacuum lines against spec
  • Color coded vacuum lines with 3M colored electrical tape

2025/02/23 (342,513 miles)

  • Finally got ABS antilock dummy light solved
    • Replaced ABS sensor (used parts)
      • Front right 126-540-26-17
    • Replaced ABS pump 001-431-80-12 (used part from 1991 300SEL)
  • Fixed “light too dim” in instrument cluster
    • Replaced instrument cluster outer housing 000-542-35-56 (used part from 1987 560SEL)
    • Transparent plastic bar was broken in old housing
  • Installed new tail lamps (DEPO)
    • used parts in flawless shape
    • Left 126-820-16-64
    • Right 126-820-12-64

2025/02/09 (342,513 miles)

  • Replaced front wheel bearings
    • 2x wheel bearing repair kit 126-330-00-51 (Schaeffler)
    • Fit to 0.02mm tolerance
  • Replaced front right brake dust cover 126-420-04-44 (used part from 1991 300SEL)
  • Replaced brake booster vacuum hose
    • hose 126-430-30-29 (refurbished by self)
      • 4ft M8x11 Cohline Series 3011 Polyamide Hard Plastic Hose
      • Dorman 47423 Power Brake Check Valve
      • Re-used metal compression endings
  • Replaced antenna grommet 126-827-15-98
  • Replaced ABS sensor (used parts)
    • Front left 126-540-25-17

2025/01/19 (342,395 miles)

  • Replaced fuel level sensor
    • sensor 126-542-01-04 (refurbished by Al Chuang)

2025/01/11 (342,308 miles)

  • Replaced oil pan (01-310)
    • Oil pan 603-014-08-02
    • Oil pan gasket 606-014-00-22-64
    • Gasket for side pan 603-014-07-22-64
    • Flywheel inspection cover 102-014-00-33
    • Oil drain plug 111-997-03-30-65
    • Copper washer for drain plug 007603-014106
  • Replaced drag link assembly
    • Drag link 126-460-08-05 (Karlyn)
    • Steering damper 000-463-51-32 (Stabilus)
  • Replaced rubber for engine mount shock
    • 4x 123-241-03-65
  • Replaced front shock tower dust covers
    • 2x 170-323-01-38

2024/12/17 (342,188 miles)

  • Repairs to help with antilock brake light
    • OVP (Overload Protection) Relay
      • OVP relay was loose; bad idle and ABS light on.
      • Resoldered connector for ABS on OVP (pin 87)
      • Crimped other connectors for good connection (pin 30/31/87/15)
      • Replaced pin bushing housing 014-545-05-28
      • Replaced OVP relay 201-540-08-45
    • Replaced ABS control module 005-545-21-32 (used from 1989 300SE)
    • Replaced ABS hydraulic pump relays (used from 1991 300SEL)
      • Bosch 0 332 002 171
      • 001-542-67-19
  • Brake service
    • Replaced soft brake lines
    • Brakes bled; fluid topped off
    • Parts
      • 2x front brake line 129-428-00-35 (ATE)
      • 2x rear brake line 126-428-03-35 (ATE)
  • Replaced climate control unit 126-830-05-85 (rebuilt by ProgRama)
  • Replace climate control relay 001-545-80-05 (rebuilt by ProgRama)

2024/11/19 (342,159 miles)

  • Replaced left windshield washer nozzle 126-860-07-47
  • Fixed clicking noise under passenger footwell
    • noise coming from Becker security module
    • unplugged both wires from 126-820-08-26
  • Replaced headlight switch 000-545-53-04 (used part from 1991 300SEL)

2024/10/12 (342,159 miles)

  • Replaced jack pads
    • 4x 126-997-18-86-64
  • Replaced door pin bushings
    • 4x 201-992-12-05-9051
  • Replaced instrument cluster potentiometer 000-542-35-25

2024/10/12 (342,159 miles)

  • Replaced transmission oil dipstick
    • 126-270-00-83 (used part from 1991 300SEL)
  • Replaced ABS sensors (used parts from 1991 300SEL)
    • Front left 126-540-25-17
    • Front right 126-540-26-17
  • Replaced brake wear sensors (used parts from 1991 300SEL)
    • Front left 126-540-81-07
    • Front right 126-540-82-07

2024/10/05 (342,159 miles)

  • Replaced ignition lock cylinder
    • Lock cylinder 126-460-02-04 (comes with one key)
    • Additional key 126-760-10-06
  • Replaced front left door handle 126-760-83-59
  • Replaced all tires
    • 4x Nexen N-Priz AH5 205/65 R15
    • All work by Big O Tires

2024/09/30 (342,122 miles)

  • Installed rebuilt fuel injectors (rebuilt by Al Chuang)
    • Fuel injectors
    • 6x heat shields 601-017-00-60
    • 1x injection pump delivery valve shackle 000-075-00-38
  • Replaced plastic fuel hoses (rebuilt by Al Chuang)
    • Fuel supply line from fuel filter to injection pump 601-070-02-32
    • Fuel supply line from feed pump to fuel filter 603-070-01-32
    • Fuel return line 603-070-00-32
    • Crush washers x8 007603-012405
    • Crush washers x2 007603-010100
  • Replaced dipstick o-ring 006-997-26-45
  • Replaced glow plugs
    • 6x glow plugs 000-159-81-01 (Bosch)
  • Replaced shut off valve vacuum box
    • Vacuum box 000-070-46-53
    • Seal 010-997-56-48
  • Resealed injection pump delivery valves
    • washer 004-997-45-40
    • o ring 017-997-41-48
  • Cleaned out intake manifold
    • Intake manifold gasket 603-141-08-80 (VictorReinz)
    • Charge pipe gasket 602-096-00-80
    • Charge pipe to connecting sleeve o-ring 013-997-29-48
    • New hardware for intake manifold
      • 12x intake manifold bolts 000912-008203
      • 12x intake manifold washers 000137-008212
      • 7x 10mm bolt attaching fuel lines to intake 304017-006016
      • 2x 10mm bolt attaching throttle to intake 000933-006123
      • 4x charge pipe bolts 000000-002460-64
      • 4x washer for charge pipe bolts 000125-006449
      • 1x crush washer for boost sensor switch 007603-012104
  • Replaced fuel hard line #4 601-070-26-33 (used part)
  • Replaced hard fuel line intake clips
    • 2x 3-line clamp 601-078-20-41
    • 6x 2-line clamp 603-078-01-41
    • 8x rubber shim 601-078-04-86
    • 2x 2-or-3-line-separator 601-078-26-41
  • Passed emissions testing
    • Opacity standard: 20
    • Opacity reading: 3.2

2024/08/27 (342,085 miles)

  • Replaced dashboard (used parts from 1991 300SEL)
  • Replaced steering wheel
    • Leather steering wheel (used part from 1991 300SEL)
    • New center bolt 000-990-62-39
  • Replaced steering lock / ignition 124-462-35-30 (used part from 1993 400E)
  • Replaced breather pipe grommet 601-016-01-63

2024/08/27 (342,084 miles)

  • Failed emissions testing
    • Opacity standard: 20
    • Opacity reading: 41.7

2024/08/23 (342,040 miles)

  • Replaced radiator
    • Removed custom made components
    • Radiator 126-500-53-03 (Winner Racing)
    • Radiator hoses (HPS performance)
      • Lower hose 126-500-08-75
      • Upper hose 126-501-35-82
    • Overflow hose clip 126-501-00-20-64
    • Radiator mount kit 123-500-00-12
    • 2x Rubber underside buffer 126-504-00-12
    • Fan 116-205-24-06
    • Viscous fan clutch 606-200-00-22-80
    • Fan shroud 126-505-17-55
    • 3x crush washer for fan clutch 000137-006204
    • Bolt for fan 000000-004138
  • Replaced coolant tank grommet 201-504-01-12
  • Replaced fuel filler neck grommet 123-997-35-81
  • Replaced windshield washer line clip 004-988-97-78
  • Failed emissions testing
    • Opacity standard: 20
    • Opacity reading: 49.6

2024/08/09 (342,037 miles)

  • Replaced motor mounts
    • 2x motor mounts 123-241-30-13 (Febi-Bilstein)
    • 2x engine dampener 123-240-23-48 (Stabilus)
  • Failed emissions testing
    • Opacity standard: 20
    • Opacity reading: 35.6

2024/08/03 (342,032 miles)

  • Replaced lower coolant hose 126-500-08-75 (custom made)
    • NAPA hose# 8975 and 4x 1 1/4” inch hose clamps
    • Aluminum GM hose tee (GM part number 23333192)
    • 3 feet of 3/4” hose and 2x 3/4” hose clamps
    • 1 foot of 1” hose and 2x 1” hose clamps
    • 3/4” to 1” step up coupler
    • Had to cut hoses to fit
  • Replaced coolant tank cap 124-500-04-06
  • Replaced thermostat 602-200-00-15 (Mahle)
  • Replaced air cleaner buffer 117-988-01-11
  • Replaced all 4 door lock pins 110-760-05-65
  • Replaced windshield washer bottle parts
    • Reservoir 126-869-05-20
    • Cap 202-860-93-69
    • Check valve for hood nozzles 000-860-08-62
    • Level sensor grommet 140-997-42-81
  • Installed european spec headlamps (DEPO)
    • Left headlamp 126-820-89-61
    • Right headlamp 126-820-90-61
    • 2x six pin connector 011-545-50-28
    • 2x H4 headlamp bulb 000000-008162
    • 2x H3 foglamp bulb 000000-008161
    • 2x city light bulb (Sylvania 2821)
  • Removed headlamp wipers

2024/07/20 (342,022 miles)

  • Replaced interior components (used parts from 1991 300SEL)
    • Rear left door card
    • Rear right door card
    • Front right door card
  • Replaced rear left door check strap 126-720-05-16 (Febi-Bilstein)
  • Replaced rear right door check strap 126-720-05-16 (Febi-Bilstein)
  • Replaced oil level sensor 124-542-00-17 (Hella)
  • Replaced front right door check strap 126-720-05-16 (Febi-Bilstein)
  • Replaced front right window regulator motor (used part from 1991 300SEL)

2024/07/17 (341,958 miles)

  • Replaced interior components (used parts from 1991 300SEL)
    • Front left door card
    • Front right seat control module
  • Replaced front left door check strap 126-720-05-16 (Febi-Bilstein)
  • Replaced front left window regulator motor (used part from 1991 300SEL)

2024/07/06 (341,805 miles)

  • Replaced interior components (used parts from 1991 300SEL)
    • Front right seat
    • Replaced front right floor mat
    • Replaced front left sun visor
  • Replaced dome light 124-820-24-01 (used part)
  • Failed emissions testing
    • Opacity standard: 20
    • Opacity reading: 40

2024/07/06 (341,652 miles)

  • Replaced interior components (used parts from 1991 300SEL)
    • Rear bench seat (bottom and back)
    • Front left seat including armrest
    • Replaced all inner trunk components
      • Trunk liner (left, right, under trunk lid, and mat)
      • Replaced particle board cover for spare wheel
    • Replaced front left floor mat
  • Replaced antenna grommet 126-827-15-98 (used part)
  • Performed diesel purge
    • 2L diesel purge fuel tank (mercedessource.com)
    • 2x Liqui Moly Diesel Purge Fuel Cleaning Additive (500ml)
    • Let sit in system for 2 hours; ran car. Let sit for 2 hours again.
    • More enthusiastic driving

2024/07/01 (341,652 miles)

  • Replaced trunk lid star 126-758-01-58 (used part from 1989 300SE)
  • Failed emissions testing
    • Opacity standard: 20
    • Opacity reading: 54.7

2024/06/29 (341,603 miles)

  • Mechanic-in-a-bottle
    • Diesel Deep Clean (Lucas Oil Products)
    • 2x GDI IVD Intake Valve & Turbo Cleaner (CRC)
    • Lots of enthusiastic driving
  • Replaced climate control unit (used part from 1989 300SE)

2024/06/28 (341,4xx miles)

  • Replaced engine air filter 603-094-02-04 (Mann)
  • Replaced fuel filter 601-090-14-52 (Mann)
  • Failed emissions testing
    • Opacity standard: 20
    • Opacity reading: 69.3
  • Replaced parts on windshield washer bottle
    • Windshield washer pump 129-869-00-21
    • Grommet for pump 123-997-36-81
    • Plugged headlamp washer pump 000-997-33-20

2024/06/19 (341,487 miles)

  • Failed emissions testing
    • Opacity standard: 20
    • Opacity reading: 80.2
  • Replaced vacuum filter 000-078-06-56
  • Replaced EGR valve 617-140-02-60 (QAP)
  • Replaced almost all vacuum lines/fittings under the hood
    • Vacuum line 000-158-14-35 (Cohline)
    • Rubber hose 117-997-09-82 (Cohline)
    • Y shaped 201-805-01-22
  • Replaced oil filler cap 111-018-03-02 (Febi-Bilstein)
  • Replaced coolant overflow hose 916030-000527 (Continental)

2024/06/17 (341,487 miles)

  • Replaced fuel prefilter 001-477-66-01 (Hengst)
  • Performed diesel purge
    • 2L diesel purge fuel tank (mercedessource.com)
    • 4x Liqui Moly Diesel Purge Fuel Cleaning Additive (500ml)
  • Oil change
    • 7.5 qt of Mobile 1 Turbo Diesel Truck (5w 40)
    • Oil filter kit 601-180-01-09-64

2024/06/12 (341,430 miles)

  • Repaired instrument cluster
    • Replaced all burned out light bulbs
    • Replaced plastic 15-pin connector that plugs into cluster (used part)
  • Replaced both sun visor clips
    • 2x 126-810-00-12 (YOUSTAR)
  • Reconnected steering column
  • Repaired electrical wiring to rear-right window
  • Replaced grille and hood ornament (used parts)
  • Replaced headlamp switch 202-545-00-81