1987 Mercedes-Benz 300SDL

Pictures

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)
Sold date	27 January 2026
Sold miles	344,517

Service history

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

2026/01/27 (344,517 miles)

Repaired front left door
- Rebuild seat controls
Repaired front right door
- Replaced door latch 126-720-14-35 (used part from 1989 300SE)
- Removed, cleaned, and lubricated door handle
- Rebuild seat controls

2026/01/01 (344,517 miles)

Replaced trunk seal 126-750-00-98 (Uro Parts)
Repaired rear right window (broken glider)
- Window regulator / motor (used part from 1989 300SE)
Repaired front left window (broken jaw)
- Window regulator / motor (used part from 1989 300SE)
- Jaw 126-720-00-42 (used part from 1989 300SE)
Replaced front right door striker (used part from 1989 300SE)

2025/10/29 (343,067 miles)

AC system recharged by Mercedes-Benz of Chandler
- Recharged to capacity of 2.36 lbs of refrigerant

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)

AC system evacuated by Mercedes-Benz of Chandler
- Recovered 1.76 lbs of refrigerant
- Will return to have system recharged

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
Oil change
- 7.5 qt of Mobile 1 Turbo Diesel Truck (5w 40)
- Oil filter kit 601-180-01-09-64
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