Approval Details

Valid E.O.

Validity

This Executive Order approved the specified parts on on June 2, 1988.
As of Monday, June 23rd, 2025 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
OM366LA1987 Mercedes-Benz heavy-duty diesel engine family MDB5.96FPC2

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-179
  • Executive Order 179 / D179
  • ARB # D-179
  • Executive Order No: D-179
  • C.A.R.B. No. D-179
  • Resolution D-179
For Free CARB Executive Order Status verification, email an image of the device Executive Order label as well as the Year/Make/Model and Test Group # of the vehicle to [email protected]

Download: Executive Order D-179 PDF

D-179 Document:

CARB_D-179

(Page 1 of 2) State of California AIR RESOURCES BOARD EXECUTIVE ORDER D—179 Relating to Exemptions Under Section 27156 of the Vehicie Code MERCEDES—BENZ TRUCK COMPANY, INC. Pursuant to the authority vested in the Alir Resources Board by Section 27156 of the Vehicle Code; and Pursuant to the authority vested in the undersigned by Sections 39515 and 39516 of the Health and Safety Code and Executive Order G—4§5—5; IT 1§ ORDERED AND RESOLVED: That the Installation of the engine mod!ification kit described in Mercedes—Benz Service Informatlion Ref. No. 00/42, and consisting of the part numbers listed.below is in compliance with the 1987 model—year optional heavy—duty engine emission standards and is exempt from the prohibitions of Vehicle Code Section 27156. This exemption Is limited to mode! OM3GGLA in Mercedes—Benz heavy—duty diesel engine family HDBS.9GFPC2 manufactured in the 1987 mode! year. No. Part ' Number. 1. injection timing advance unit 376 070 02 4§ 2. Nozzle holder and nozzle 002 017 §3 21 3. Timing pointer 366 032 12 15 4. Emission Labe! MBFG~299 This Executive Order is valld provided that Installation Instructions for this device will not recommend tuning the vehicle to specifications different from those submitted by the device manufacturer.. Changes made to the design or operating conditions of the devices, as exempted by the Air Resources Board, that adversely affect the performance of a vehicle‘s pollution control system shall invalidate this Executive Order . This exemption shall not apply to any device, apparatus, or mechanism advertised, offered for sale or sold with, or Installed on, a motor vehicle prior to or concurrent with transfer to an ultimate purchaser. Marketing of this device using an Identification other than that shown in this Executive Order or marketing of this device for an application other than those listed in this Executive Order shall be prohibited unless prior approval is obtained from the Air Resources Board. Exemption of a kit shall not be construed as an exemption to sell, offer for sale, or advertise any component of a kit as an individual device.

MERCEDES—BENZ TRUCK COMPANY, INC. EXECUTIVE ORDER D—179 (Page 2 of 2) This Executive Order does not constlitute any opinlon as to the effect that the use of this device may have on any warranty elther expressed or implied by the vehicie manufacturer. THIS EXECUTIVE ORDER DOES NOT CONSTITUTE A CERTIFICATION, ACCREDITATION, APPROVAL, OR ANY OTHER TYPE OF ENDORSEMENT BY THE AIR RESOURCES BOARD OF ANY CLAIMS OF THE APPLICANT CONCERNING ANTI—POLLUTION BENEFITS OR ANY ALLEGED BENEFITS OF THE ENGINE MODIFICATION KIT LISTED ABOYE. No claim of any kind, such as "Approved by Air Resources Board" may be made with respect to the action taken herein in any advertising or other oral or written communtcation. Section 17500 of the Business and Professions Code makes untrue or mlsieading advertising unlawful, and Section 17534 makes vlolation punishable as a misdemeanor . Section 43644 of the Healith and Safety Code provides as follows: (a) Noperson sha romentonmamenen cce less that~devt s*beén Certified by No person shail sell, offer for saie, advertise, or represent any motor vehicle poliution control device as a certifiled device which, in fact, is not a certlified device. Any violation of this subdivision Is a misdemeanor." Any apparent viciation of the conditions of this Executive Order will be submitted to the Attorney General of Callifornia for such action as he deems advisable. 2C Executed at El Monte, California, this 27u1day of June, 1988. efrn K. D. Drachand, Chlef Moblie Source Division

State of California AIR RESOURCES BOARD EVALUATION OF THE FIELD MODIFICATION KIT FOR MERCEDES—BENZ HEAVY—DUTY DIESEL ENGINE TYPE OM366LA OF MODEL—YEAR 1987 FOR EXEMPTION FROM THE PROHIBITIONS OF VEHICLE CODE SECTION 27156 AND SECTION 43106 OF THE HEALTH AND SAFETY CODE May 1988

EVALUATION OF THE FIELD MODIFICATION KIT FOR MERCEDES—BENZ HEAVY—DUTY DIESEL ENGINE TYPE OM36GLA OF MODEL—YEAR 1987 FOR EXEMPTION FROM THE PROHIBITIONS OF VEHICLE CODE SECTION 27156 AND SECTION 43106 OF THE HEALTH AND SAFETY CODE by Mobile Source Division State of California AIR RESOURCES BOARD 9528 Telstar Avenue El Monte, CA 91731 (This report has been reviewed by the staff of the California Air Resources Board and approved for publication. Approval does not signify that the contents necessarily reflect the views and policles of the Air Resources Board, nor does mention of trade names or commercial products constitute endorsement or recommendation for use.)

SUMMARY Mercedes—Benz Trucking Company, Iinc., of Charlotte North Carolina, has applied for exemption to upgrade their mode!— year 1987 heavy—duty diesel engine type OM366LA to modei—year 1988 configuration. The modiflcation is achieved by the instailation of injection timing unit No. 376 070 02 4§5, nozzle holder and nozzle No. 002 017 53 21, and timing pointer No. 366 032 12 16. In addition, an emission labe! No. MBFG—299 must be installed following the installation of the modification kit. Emissions data submitted show that the modification meets the requirements of Vehicle Code Section 27156 and Section 43106 of Health and Safety Code, and 40 CFR 86.079—32 and 86.079—33. Based on the above, the staff recommends that the sxemption be granted as requested.

CONTENT S P mb SUMMARY t NT ENT 11 L. INTRODUCT ION 1 11. NCL 1 ON 1 DldP. R MMEND AT I ON 1 [Y. EV 1 D RIPT 1ON 1 v. DEVICE EVALUATION 2 vI. D ISCUSS | ON 3 APPEND 1 X Compar ison of CARB Certified Model—Year A—1 vs. Model—Year 1986/87 OM366LA Engines Sample of Field Modification Labe! A—2 Service Information A—3

State of California AIR RESOURCES BOARD EVALUATION OF THE FIELD MODIFICATION KIT FOR MERCEDES—BENZ HEAVY—DUTY DiESEL ENGINE TYPE OM366LA OF MODEL—YEAR 1987 FOR EXEMPTION FROM THE PROHIBITIONS OF VEHICLE CODE SECTION 27156 AND SECTION 43106 OF THE HEALTH AND SAFETY CODE 1. INTRODUCT ION Mercedes—Benz Trucking Company, Inc., of Charlotte, North Carolina 28241, has applied for an exemption to modify the 1987 model~—year heavy—duty diesel engine type OM3G6LA to the model— year 1988 configuration by the installation of new injection timing advance unit, nozzle holder and nozzle, timing pointer, and emissions tabel. L1. N LON The applicant has submitted all the required information and based on the submitted exhaust emissions test data, the staff concludes that the installation of the modification kit meets the crliteria set forth in Vehicle Code Section 27156 and Health and Safety Code Section 43106. L1 4. ECOMMENDAT 1 ON The staff recommends that the exemption be granted as requested and that Executive Order No. D—179 be issued. IV. DEV I DESCRIPT ION The Mercedes—Benz modification klt consists of injection timing advance unit No. 376 070 02 4§5, nozzle holider and nozzle No. 002 017 §3 21, timing pointer No.366 032 12 15, and emissions label No. MBFG—299.

The Mercedes—Benz heavy—duty diesel engine type OM36GLA of model year 1987 is the same as model—year 1988 except for the components that make up the modifilcation kit: the injection timing advance unit, the nozzle and holder, and the timing pointer. The nozzle has four holes with different angles. The Injection timing advances from 9 degrees to 13 degrees or from 7 degrees to 1t degrees. The modification kit Iincreases horsepower from 180 to 190 and Improves gas mileage by 5 percent. The modification kit will be sold and installed at the owner‘s option on 1987 model—year engines by Mercedes—Benz Truck Company Service.. The emission labe! is installed following the installation of the modification kit. v. EVICE EV AT ION Mercedes—Benz Trucking Company provided test data on the modification kit (see Appendix 1). The data show a 44% decrease in HC, 16% decrease in CO, 33% decrease in PM and 17% Increase in NOx. Although the modification increased NOx, the emission leve! stil! meets the optional NOx standard for the 1987 model—year. The data also show a horsepower increase from 180 to 190 and fusl economy improvement of 5 percent. The staff based the evaluation of the modification kit on the appliicant‘s data.

APPEND | X

A—1 COMPARISON OF CARB CERTIFIED My 1988 VS. MY 1986/87 OM36GLA ENGINES Performance Rated Maximum Fuel, mm3/stroke BSFC 1b/HP—HR _HP_ 2600 RPM 1400 RPM 2600 RPM 1400 RPM 1988 certified 190 79—83 84—88 0.357/0.375 0.318/0.333 1986/87 certified 180 79—83 84—88 0.377/0.39%6 0.333/0.349 BSFC Improvement of 1988 over 1986/87 5.3% 4.7% Emissions nox Bc co PM 1988 certified 5.6 0.5 2.7 0.4 1956/87 certified 4.8 0.9 3.2 8.6 differences 1988 — over 1986/87 +17% —44% ~16% —33% O vits ies dmat o ere—~Like * 0 selfee® _

A—2 + Sample of Field Modification Label EMISSION CONTROL INFORMATION ‘ , Daimler—Benz A.G. Stuttgart—Untertuerkheim, W. Germany ENGINE FAMILY: HDB 5.96 FPC 2. THIS ENGINE HAS BEEN MODIFIED TO THE MODEL YEAR: 1987 1988 MODEL YEAR CERTIFIED CONFIGURATION ENGINE DISPLACEMENT: 364 CID PER ARB EXECUTIVE ORDER D—179 MBFG—299 (5/88T) Printed in U.S.A.

service .. Information Mercedes—Benz service TO: Mercedes—Benz Truck Dealers DATE: May 1988 (Supersedes 00/42, October 1987) REF NO. 00/42 SsuBuECt: Model Year 1987 OM 366LA 180 HP California Engines For model year 1988, the 190 gross horsepower OM 366LA engines are EPA/CARB—certified for all 50 states. The model year 1988 OM 366LA engines use different timing and different injection nozzie assemblies than the 1987 California—version 180 gross horsepower OM 366LA engines. The . following parts are used on the model year 1988 engines: 1. Injection timing advance unit 376 070 02 45 2. Nozzle holder and nozzle 002 017 53 21 3. Timing pointer 866 082 12 15 At the owner‘s option and the owner‘s expense, these parts and an additional Emission Control Information Label, MBFG—299, can be installed on 1987 California OM 366LA engines to upgrade them to 190 gross horsepower with better fuel economy. The engines so upgraded will comply with the 1988 California emission standards per California Air Resources Board Executive Order D~179. For removal and installation of these parts, refer to the Engine Model OM 366LA Workshop Manual; Group 07.1, Job 120, for the injection ‘timing advance unit; Group 07.1, Job 150, for the nozzle holders and nozzles; and Group 01, Job 150, for the timing pointer. MBTC Service will provide and install the additional emission label, MBFG—299, on—site at the dealership upon completion of the dealer‘s upgrading of the three parts mentioned above. [ MERCEDES—BENZ TRUCK COMPANY, INC. Page 1 Tor _


Document Created: 2005-09-01 12:15:33
Document Modified: 2005-09-01 12:15:33

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